Items where Year is 2004

Number of eprints: 1317.

Wageningen UR, Animal Sciences Group (2004) 100% Biologisch voer. Animal Sciences Group, Wageningen, NL, , UR.

MLNV (2004) Beleidsnota biologische landbouw 2005-2007. MLNV, Den Haag, NL.

Biokas (2004) Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Louis bolk instituut (2004) ET-vrije stierenlijst 2004. Louis bolk instituut, Driebergen, NL.

Wageningen UR, Animal Sciences Group (2004) Melkveehouderij. Animal Sciences Group, Wageningen, NL, , UR.

Animal Sciences Group, Praktijkonderzoek (2004) Onkruidbeheersing melkveehouderij. Biologischonderzoekbericht 19.. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Wageningen UR, Animal Sciences Group (2004) Pluimveehouderij. Animal Sciences Group, Wageningen, NL, , UR.

Animal Sciences Group, Praktijkonderzoek (2004) Pluimveehouderij (2). Biologischonderzoekbericht 18.. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Wageningen UR Animal Sciences Group (2004) Praktijkcentrum Raalte zoekt de zon op : duurzaam en diervriendelijk systeem voor varkensstallen. Wageningen UR Animal Sciences Group, Wageningen, NL.

Animal Sciences Group (2004) Stro in de varkenshouderij. Animal Sciences Group, Wageningen, NL.

Agrotechnology &Food Innovations (2004) Tussenrapport : uitloop biologische varkens : verslag studiemiddag biologische veehouderij PO-34. A&F report 199.. Agrotechnology & Food Innovations, Wageningen, NL.

Vereniging 'De Natuurweide' (2004) Vereniging 'De Natuurweide'. Vereniging 'De Natuurweide', Bennekom, NL. Online at https://library.wur.nl/WebQuery/groenekennis/1902523.

Sarapatka, Borivoj (Ed.) (2004) 4. evropská letní akademie ekologického zemědělství v CEI regionu. Sborník Abstrakt. [4th European Summer Academy on Organic Farming in the CEI Region. Abstract Proceedings.] Univerzita Palackého v Olomouci, Olomouc, 1 (1), pp. 1-59. Proceedings of 4. evropská letní akademie ekologického zemědělství v CEI regionu, Lednice, 30.6.-2.7.2004.

Stauss, Dominik (Ed.) (2004) 8. Internationale Geflügel-Tagung: Ökologische Geflügelhaltung auf dem Weg. [8th international poultry conference: organic poultry farming on the way forward.] Bioland Bundesverband e.V. Proceedings of 8. Internationale Geflügel-Tagung: Ökologische Geflügelhaltung auf dem Weg, Gerolfingen, 08.03.2004 - 10.03.2004. [Unpublished]

Fuchs, Jacques G.; Bieri, Markus and Chardonnens, Marc (Eds.) (2004) Auswirkungen von Komposten und Gärgut auf die Umwelt, die Bodenfruchtbarkeit sowie die Pflanzengesundheit. Zusammenfassende Übersicht der aktuellen Literatur. [Effects of Composts on the Environment, Soil Fertility and Plant Health. Review of the current literature.] FiBL-Report. Forschungsinstitut für biologischen Landbau (FiBL), Frick, Schweiz.

Research Institute of Organic Agriculture, Korean Organic Farmers Association (Ed.) (2004) Benign Environment and Safe Food. Research Institute of Organic Agriculture, Dankook University. Proceedings of 6th IFOAM-Asia Scientific Conference, Yangpyung, Korea, 7.-9. September 2004. [Unpublished]

Häseli, Andreas (Ed.) (2004) Bioweinbautagung 2004. [Séminaire de viticulture biologique 2004.] Forschungsinstitut für biologischen Landbau, Frick, Schweiz. Proceedings of Bioweinbautagung 2004 (Séminaire de viticulture biologique 2004), Olten, Schweiz, 10.03.2004.

{Project} Bundesprogramm Ökologischer Landbau. [Federal Organic Farming Scheme.] Runs 2002 - 2007. , Bundesanstalt für Landwirtschaft und Ernährung (BLE) .

Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE) (Ed.) (2004) Bundesprogramm Ökologischer Landbau - Aktuelle Projekte im Bereich Pflanzenschutz. [Federal Organic Farming Scheme - current research in plant protection.] . Proceedings of Bundesprogramm Ökologischer Landbau - Aktuelle Projekte im Bereich Pflanzenschutz, DE-Bonn, 23.11.2004-24.11.2004.

{Project} CORE Organic: Coordination of European Transnational Research in Organic Food and Farming. Work package 5: Sharing and developing best practice for evaluating organic research. [Europäische Koordination transnationaler Forschung zu Ökolandbau und -lebensmitteln. Arbeitpaket 5: Entwicklung von Evaluationsverfahren für Projekte und Programme.] Runs 2004 - 2007. Project Leader(s): Niggli, Urs, Research Institute of Organic Agriculture FiBL, Switzerland .

Speiser, Bernhard and Schmid, Otto (Eds.) (2004) Current evaluation procedures for plant protection products used in organic agriculture. Proceedings of a workshop held September 25–26, 2003 in Frick, Switzerland. FiBL-Report. Research Institute of Organic Agriculture FiBL, Frick, Switzerland.

Recke, Guido; Willer, Helga; Lampkin, Nic and Vaughan, Alison (Eds.) (2004) Development of a European Information System for Organic Markets - Improving the Scope and Quality of Statistical Data. Proceedings of the 1st EISfOM European Seminar, held in Berlin, Germany, 26-27 April, 2004. FiBL-Report. Research Institute of Organic Agriculture (FiBL), CH-Frick, Frick.

Weissmann, F. (Ed.) (2004) Die Zukunft der ökologischen Schweinehaltung. [The future of organic pig farming.] . Proceedings of 3. Internationale Tagung: Die Zukunft der ökologischen Schweinehaltung, Haus Düsse, Bad Sassendorf, 16.02.2004 - 17.02.2004.

Jørgensen, Uffe and Dalgaard, Tommy (Eds.) (2004) Energi i økologisk jordbrug. Reduktion af fossilt energiforbrug og produktion af vedvarende energi. FØJO-rapport, no. 19. Forskningscenter for Økologisk Jordbrug .

Tschabold, Jean-Luc (Ed.) (2004) Forum Arbo Bio Romandie 2004. Résumés des interventions. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick. Proceedings of Forum Arbo Bio Romandie 2004, Gîte rural des Vergers, Vétroz, 11.02.2004.

(2004) Hilfsstoffe und Futtermittel für den biologischen Landbau in der Schweiz. [Liste des intrants pour la Suisse.] Forschungsinstitut für biologischen Landbau, Frick. Online at https://www.fibl.org/de/shop/1032-hilfsstoffliste.html.

Redelberger, Hubert (Ed.) (2004) Management-Handbuch für den ökologischen Landbau: Betriebswirtschaftliche Instrumente. [Organic Farming Management Handbook: economic instruments.] KTBL-Schrift 425. Kuratorium für Technik und Bauwesen in der Landwirtschaft e. V. (KTBL), Darmstadt.

Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) (2004) Managing Soil Quality: Challenges in Modern Agriculture. CABI Publishing, Wallingford, UK.

Stein-Bachinger, Dr. Karin; Bachinger, Dr. Johann and Schmitt, Dr. Liliane (Eds.) (2004) Nährstoffmanagement im ökologischen Landbau - Ein Handbuch für Beratung und Praxis mit Anwendungs-CD. [Nutritionmanagement for organic farming.] KTBL-Schrift 423. KTBL.

Rahmann, Gerold and van Elsen, Thomas (Eds.) (2004) Naturschutz als Aufgabe des Ökologischen Landbaus. [Conservation as a responsibility of organic agriculture.] Fachgebiet Ökologischer Land- und Pflanzenbau (Uni Kassel), Institut für ökologischen Landbau der FAL, Naturschutzbund Deutschland, Bundesamt für Naturschutz. Proceedings of Fachtagung "Naturschutz als Aufgabe des Ökologischen Landbaus", Witzenhausen, 16.10.2003 - 17.10.2003. [Unpublished]

Rahmann, Gerold and van Elsen, Thomas (Eds.) (2004) Naturschutz als Aufgabe des Ökologischen Landbaus. [Conservation as a responsibility of organic agriculture.] Bundesforschungsanstalt für Landwirtschaft (FAL), Sonderheft Landbauforschung Völkenrode, no. SH-Nr. 272. Proceedings of Fachtagung "Naturschutz als Aufgabe des Ökologischen Landbaus", Witzenhausen, 16.10.2003 - 17.10.2003.

Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) (2004) Organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality. SAFO Sustaining Animal Health and Food Safety in Organic Farming. A European Commission funded Concerted Action Project. Proceedings of 2nd SAFO Workshop, Witzenhausen, Germany, 25.-27.03.2004.

Midmore, Peter; Foster, Carolyn and Schermer, Markus (Eds.) (2004) Organic Producer Initiatives and Rural Development: Four European Case Studies. Organic Marketing Initiatives and Rural Development: Volume Three. School of Management and Business, University of Wales Aberystwyth, Wales, United Kingdom.

Brandt, Dr. Kirsten (Ed.) (2004) Proceedings and conclusions of "Workshop on Assurance of Quality and Safety in Organic Production Chains" in the EU project "Recommendations for improved procedures for securing consumer oriented food safety and quality of certified organic foods from plough to plate" (Organic HACCP). . Proceedings of Workshop on Assurance of Quality and Safety in Organic Production Chains, Hotel Bildungszentrum 21, Basel, Switzerland, 13-14th Janurary 2004. [Unpublished]

Lammerts van Bueren, Edith; Ranganathan, Radha and Sorensen, Neil (Eds.) (2004) Proceedings of the First World Conference on Organic Seed. . Proceedings of First World Conference on Organic Seed - Challenges and Opportunities for Organic Agriculture and the Seed Industry, Rome, 05.07.2004 - 07.07.2004.

Equipo Técnico , SEAE (Ed.) (2004) Proceedings of VI SEAE CONGRESS SPANISH SOCIETY FOR ORGANIC FARMING. [Actas VI Congreso SEAE "Agroecología: Referente para la transición en sistemas agrarios". Almería 2004.] .

Nowack, Karin (Ed.) (2004) Produktion mit und ohne Gentechnik – ist ein Nebeneinander möglich? Rahmenbedingungen und Umsetzung der Ko-Existenz. Tagungsband zur gleichnamigen Tagung am 1. September 2004 in Bern. [Production with and without genetic engineering - is co-existence possible ? Framework conditions and implementation of co-esitence and separation of flow of goods.] FiBL-Report. Forschungsinstitut für biologischen Landbau (FiBL), Frick, Schweiz.

{Project} Research to support revision of the EU Regulation on organic agriculture (Organic Revision). Runs 2004 - 2006. Project Leader(s): Kristensen, Erik Steen and Jespersen, Lizzie Melby.

(2004) Researching Sustainable Systems. International Scientific Conference on Organic Agriculture, coordinated by the International Society of Organic Agriculture Research (ISOFAR) in co-operation with the International Federation of Organic Agriculture Movements (IFOAM) and the National Association for Sustainable Agriculture Australia (NASAA). Adeledaide, Australia, 21 - 23 September 2005. .

Rahmann, Gerold and Kühne, Stefan (Eds.) (2004) Ressortforschung für den ökologischen Landbau 2004. [State organic farming research 2004.] Senatsarbeitsgruppe Ökologischer Landbau. Proceedings of Statusseminar der Ressortforschungseinrichtungen des BMVEL, Kleinmachnow, 05. März 2004. [Unpublished]

Agroscope FAL Reckenholz (Ed.) (2004) Schweizer Biolandbau-Forschung 2004-2007. Tagung des FiBL und der Agroscope Liebefeld-Posieux, FAL-Reckenholz, FAT Tänikon, FAW Wädenswil und RAC Changings. [Swiss Research in Organic Agriculture 2004-2007. Conference of FIBL and Agroscope Liebefeld-Posieux, FAL-Reckenholz, FAT Tänikon, FAW Wädenswil, RAC Changings.] Agroscope FAL Reckenholz, Zürich. Proceedings of Schweizer Biolandbau-Forschung 2004-2007, Bern, Schweiz, 9.3.2004. [Unpublished]

Häseli, Andreas (Ed.) (2004) Tagungsband zur FiBL Obstbautagung 28.01.2004 in Frick. [Proceedings of the FiBL fruit seminar, 28.1.2004 in Frick.] Forschungsinstitut für biologischen Landbau, Frick. Proceedings of FiBL Obstbautagung, Frick, 28.01.2004.

Vossenaar, René and Wynen, Els (Eds.) (2004) Trading Opportunities for Organic Food Products from developing Countires - Strengthening Research and Policy-making capacity on Trade and Environment in Developing Countries. UNCTAD.

Schmid, Otto; Beck, Alexander and Kretzschmar, Ursula (Eds.) (2004) Underlying Principles in Organic and “Low-Input Food” Processing – Literature Survey. FiBL-Report. Research Institute of Organic Agriculture FiBL, Frick, Switzerland, Frick, Switzerland.

Aakkula, Jyrki (2004) Det finska jordbrukets alternativ och den ekologiska produktions möjligheter. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Aarestrup, Frank Møller; Bennedsgaard, Torben Werner; Enevoldsen, Carsten; Houe, Hans; Katholm, Jørgen; Larsen, Helle Daugaard; Nylin, Britta and Pedersen, Lars Holst (2004) Analyse af mælkeprøver i pilotprojekt NYSundhedsrådgivning. .

Aarnink, A.J.A.; Houwers, H.W.J.; Eijck, I.A.J.M.; Borgsteede, F.H.M.; Roelofs, P.F.M.M. and Altena, H. (2004) Ontwerp van familiestalsystemen voor de biologische varkenshouderij. Rapport / Agrotechnology & Food Innovations 085.. Agtrotechnology & Food Innovations, Wageningen, NL.

Abel, Hansjörg and Gerken, Martina (2004) Ackerbohnen als Futterkomponente des ökologischen Landbaus für Masthühner-Elterntiere und verschiedene Mastbroilerherkünfte. Georg-August-Universität Göttingen , Forschungs- und Studienzentrum für Landwirtschaft und Umwelt.

Abel, Hansjörg; Pawelzik, Elke and Breves, Gerd (2004) Ernährungsphysiologische Bewertung von Öko-Futtermitteln für Schweine. [Physiological feed evaluation for pigs in organic farming.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Abreu, Lucimar Santiago de and Bellon, Stéphane (2004) Minifundios and metropolis: territorial management of organic farming in Ibiúna (São Paulo, Brazil). [Minifúncios e metrópolis: gerenciamento territorial de fazendas orgânicas em Ibiúna (São Paulo, Brasil).] In: Farming and Rural Systems Research and Extension: a European Farming and Society in Search of a New Social Contract – Learning to Manage Change, Serviços de Reprografia da UTAD, Vila Real, Portugal, pp. 903-906.

Acs, S.; Berentsen, P.B.M.; Wolf, M. De and Huirne, R.B.M. (2004) Bio-economic modelling of arable farming system, comparison of conventional and organic farming systems in the Netherlands. Business Economics Group, Department of Social Sciences .. Wageningen University, Wageningen , NL.

Adamsen, Christina E.; Møller, Jens K.S.; Hismani, Ramadan and Skibsted, Leif H. (2004) Thermal and photochemical degradation of myoglobin pigments in relation to colour stability of sliced dry-cured Parma ham and sliced dry-cured ham produced with nitrite salt. European Food Research and Technology. Zeitschrift für Lebensmittel-Untersuchung und -Forschung A, 218 (5), pp. 403-409.

Adler, Steffen A. (2004) Produksjonssystemforsøk: Hvordan kommuniserer forsker, rådgiver og bonde? [Production System Experiments: How do researchers, extensionists and farmers communicate?] Forskningsnytt om økologisk landbruk i Norden, 2004 (1), pp. 6-9.

ALBAKRI, Mamoun (2004) RAPD markers for the characterization of the olive fruit fly parasitoid Opius concolor (Spzel.) used in biological control programs. [Marqueurs RAPD pour la caractérisation de l’Opius concolor (Spzel.) le parasitoïde de la mouche de l’olivier utilisé dans les programmes de lutte biologique.] Thesis, IAMB Mediterranean Agronomic Institute of Bari , Organic Farming. Collection Master of Science IAMB-CIHEAM (International Centre for advanced Mediterranean agronomic studies), no. 348. . [Unpublished]

Almeida, Daniela (2004) Agricultura urbana e segurança alimentar em Belo Horizonte: cultivando uma cidade sustentável. [Urban agriculture and food security at Belo Horizonte: improving a sustainable city.] Revista Agriculturas: experiencias em agroecologia., 1, pp. 25-28.

Alpers, Gerd (2004) Qualitätssicherung bei der Langzeitlagerung ökologisch erzeugter Möhren. [Quality preservation in ecologically grown carrots for long-term storage.] Landwirtschaftskammer Schleswig-Holstein , Abteilung Gartenbau.

Alrøe, Hugo Fjelsted (2004) Økologisk jordbrug i et globalt perspektiv. Økologisk Jordbrug, March 2004, 24 (309), p. 6.

Alrøe, Hugo Fjelsted (2004) Organic Eprints: an open archive for papers related to research in organic agriculture. Speech at: Open Archives Seminar: Facilitating free and efficient scientific communication, Technical University of Denmark, 18. February 2004.

Alrøe, Hugo Fjelsted and Kristensen, Erik Steen (2004) Investigating organic agriculture in a global perspective. In: Phillips, Catherine (Ed.) Environmental Justice and Global Citizenship, Inter-Disciplinary Press, Probing the Boundaries, no. vol. 8, pp. 125-129.

Alrøe, Hugo Fjelsted and Kristensen, Erik Steen (2004) Proposal for the knowledge synthesis "Organic agriculture in a global perspective". [Oplæg til vidensyntesen "Økologisk jordbrug i et globalt perspektiv".] Danish Research Centre for Organic Farming (DARCOF) . [Unpublished]

Alrøe, Hugo Fjelsted and Kristensen, Erik Steen (2004) Why have basic principles for organic agriculture? … and what kind of principles should they be? Ecology & Farming, No. 36, pp. 27-30.

Alves, Sandra Maria Campos; Abboud, Antonio Carlos de Souza; Ribeiro, Raul de Lucena Duarte and Almeida, Dejair Lopes de (2004) Balanço do nitrogênio e fósforo em solo com cultivo orgânico de hortaliças após a incorporação de biomassa de guandu. [Nitrogen and phosphorus balance in soil with organic cultivation of legumes after incorporation of pigeonpea biomass.] Pesquisa Agropecuária Brasileira, 39 (11), pp. 1111-1117.

Ambus, P. (2004) Short term N2O losses in urine patches: a 15N labelling study. Poster at: International Conference. Greenhouse Gas Emissions from Agriculture - Mitigation Options and Strategies, Leipzig, Germany, 10-12 February, 2004. [Unpublished]

Ambus, P. (2004) Kilovis af N omsættes dagligt i kløvergræs. [Kilograms of N is transformed daily in grass-clover.] Økologisk Jordbrug, August 2004 (318), p. 6.

Amsing, J. (2004) Bodemziekten, weren of tolereren : Ziektewerendheid is een complexe aangelegenheid. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Amsing, J.J. (2004) Wortelknobbelaaltjesproblematiek in de glastuinbouw. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (5), 260 - 262.

Anandhakumar, J. and Zeller, W. (2004) Investigation on the Biocontrol of Phytophthora diseases on strawberry based on antagonism. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 240-243.

Andersen, Mette Klindt; Hauggaard-Nielsen, Henrik; Ambus, Per and Jensen, Erik Steen (2004) Biomass production, symbiotic nitrogen fixation and inorganic N use in dual and tri-component annual intercrops. Plant and Soil, 266, pp. 273-287.

Andersson, Robby (Fachhochschule Osnabrück); Brunken, Hans-Gerd (Landwirtschaftskammer Weser Ems) and Deerberg, Friedhelm (freier Berater) (2004) Untersuchungsvorhaben in der ökologischen Schweine- und Geflügelhaltung in Niedersachsen 2002 - 2003. [Research results in organic pig and poultry husbandry in Lower Saxony in 2002 - 2003.] .

Andreasen, Claus Bo (2004) QLIF news: Research in the European organic and low input food supply chain. . Online at http://www.qlif.org/qlifnews/nov04/index.html.

Anjos, Flávio Sacco dos; Godoy, Wilson Itamar; Caldas, Nádia Velleda and Gomes, Mário Conill (2004) Agricultura familiar e políticas públicas: o impacto do Pronaf no Rio Grande do Sul. [Family agriculture and public policy: the impact of Pronaf in Rio Grande do Sul.] Revista de Economia e Sociologia Rural, 42 (3), pp. 529-548.

Anon (2004) Organic Centre Wales Factsheet 10: Organic Maintenance (Stewardship) Payments. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 12: Marketing organic red meat: direct sales. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 16: CAP reform and organic farming I. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 17: CAP reform and organic farming II. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 19: Building markets for Welsh organic horticulture. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 20: Understanding the consumer and increasing sales. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 21: The organic dairy market. Organic Centre Wales .

Anon (2004) Organic Centre Wales Factsheet 8: Machinery Rings. Organic Centre Wales .

Anon (2004) Organic Food: Understanding the consumer and increasing sales. Soil Association .

Arendse, P.W. (2004) Duurzaamheid en voortrekkersrol biologische keten : achtergronddocument bij ex-post evaluatie beleidsnota 'een biologische markt te winnen'. Rapport / EC-LNV nr. 2004/321. Expertisecentrum LNV, Ede, NL.

Arncken, Christine and Thommen, Andreas (2004) Vermehrung von Bio-Saatgut – ein Schritt in die richtige Richtung. [Propagation of organic seeds - a step into the right direction.] Speech at: Biofach 2004; BioFach Kongress, Veranstaltung Saatgut und Gentechnik - von der Reaktion zur Aktion, Nürnberg, Messe, 19. 2. 2004.

Asbach, Rachel and Wyss, Eric (2004) Wirkung verschiedener Insektizide und deren Kombination mit Fettsäuren gegen Blattläuse auf Salat in einem Labortest. [Effect of different insecticides in combination with fatty acid against aphids on salat in a laboratory test.] Forschungsinstitut für biologischen Landbau (FiBL), CH-5070 Frick , Pflanzenschutz: Schädlinge, Nützlinge.

Aschemann, Jessica (2004) Öko-Betriebe in Ostdeutschland. Auch die Großen blicken kritisch in die Zukunft. [Organic Farms in Eastern Germany - the big farms are sceptical of the future, too.] Ökologie & Landbau (129), pp. 24-25.

Askegaard, Margrethe (2004) Kaliumtal og kaliumbalancer som redskaber i planteproduktionen. [Potassium status and balances as tools in the crop production.] Kaliumtal og kaliumbalancer som redskaber i planteproduktionen, January 2004, 1, p. 63.

Askegaard, Margrethe; Olesen, Jørgen E.; Rasmussen, Ilse A.; Driessen, Eugene; Nielsen, Erling; Thomsen, Henning C.; Bak, Holger and Lindberg, Julie F. (2004) ØKOLOGISKE SÆDSKIFTER TIL PRODUKTION AF KORN. [Organic crop rotations for cereal production.] Grøn Viden, Markbrug (298), pp. 1-20.

Askegaard, Margrethe; Rasmussen, Ilse A. and Olesen, Jørgen E. (2004) Resultater med efterafgrøder i økologiske forsøg – hvordan kan disse resultater udnyttes på økologiske og konventionelle bedrifter. Speech at: Planteproduktion 2004, Herning, 13-14 Januar.

Aspray, Claire (2004) Organic Cereal Variety and Variety Mixture Trials 1999 - 2003. .

Aubel, E.; Simantke, C. and Hörning, B. (2004) Ökologische Mutterkuhhaltung in Deutschland. In: Tagungsband 11. Freiland/ 17. IGN-Tagung: Auf dem Weg zu einer tiergerechteren Haltung, Bio Austria, pp. 93-96.

Aude, Erik (2004) The effects of nutrients and disturbance on dry grass-dominated vegetation. Thesis, National Environmental Research Institute, Ministry of the Environment , Department of Wildlife Biology and Biodiversity. .

Aude, Erik; Tybirk, Knud; Michelsen, Anders; Ejrnæs, Rasmus; Hald, Anna Bodil and Mark, Susanne (2004) Conservation value of the herbaceous vegetation in hedgerows - does organic farming make a difference? Biological Conservation, 118 (4), pp. 467-478.

Aurbacher, Joachim and Häring, Anna Maria (2004) Einheitsprämie - ein Gewinn für Biobetriebe? Lebendige Erde, January 2004 (1/2004), p. 41.

Axelsen, Jørgen Aagaard; Sønderskov, Mette; Bruus-Pedersen, Marianne; Tybirk, Knud and Eriksen, Jørgen (2004) FieldEco – a multi-purpose biologically driven food web model. , , . [Completed]

Ayenor, G.K.; Röling, N.; Padi, B.; Huis, A. Van and Obeng-Ofori, D. (2004) Converging farmers'and scientists'perspectives on researchable contraints on organic cocoa production in Ghana: results of a diagnostic study. NJAS : Wageningen journal of life sciences / Royal Society for Agricultural Sciences, 2004, 52 (3/4), 261 - 284.

B., Pfeiffer; S., Alt; C., Schulz; B., Hein; C., Häfner and A., Kollar (2004) Investigations on alternative substances for control of apple scab - results from sanitation trials. [Untersuchungen zum Einsatz alternativer Stoffe zur Regulierung des Apfelschorfes Ergebnisse aus den Falllaubversuchen.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 79-84.

Baar, J. and Amsing, J.G.M. (2004) Biologisch geteelde bijzondere paddestoelen. PPO nr. 2004-27. Praktijkonderzoek Plant & Omgeving, Sector Paddestoelen, Wageningen, NL.

Baar, J.; Amsing, J.G.M.; Berg, I. Van Den and Deneux, S. (2004) Biologische geteelde bijzondere paddestoelen : teelt- en consumentenonderzoek. Praktijkonderzoek Plant & Omgeving, Sector Paddestoelen, Horst, NL.

Baars, T. and Deru, J. (2004) Patroonherkenning bij homeopathie. Louis Bolk Instituut, Driebergen, NL.

Baars, T. and Ellinger, L. (2004) cliché: homeopathie is kwakzalverij! : ervaringsevaluaties en eerste experimenten wijzen uit dat homeopathie werkt. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (9), 14 - 15.

Bakker, K. (2004) Overheid moet biologische consument belonen. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (1), 14 - 15.

Bakker, O. (2004) Biologische honing: eisen en keurmerken Thema Kwaliteit. Bijen : maandblad voor imkers, 2004, 13 (10), p. 267.

Balkema-Boomstra, A. (2004) Nieuwe eiwitgewassen voor de voeding van varkens in de biologische houderij. Nota / Plant Research International 311.. Plant Research International, Wageningen, NL.

Ball, Jason (2004) Lepidoptera 2004: A Baseline Study of Moths at Sheepdrove Organic Farm. .

Barbosa, Jaqueline Soares (2004) Agroecologia e gênero: a construção de um "Novo Horizonte" em Araponga - MG. [Agroecology and gender: building a "New Horizon" em Araponga - MG.] Masters thesis, Universidade Federal de Vicosa . Universidade Federal de Vicosa, Vicosa.

Bartels, C. and Hulst, P. Van Der (2004) Biologische teelt en afzetbevordering van (kas)asperge. Praktijkonderzoek Plant & Omgeving, Sector Glastuinbouw, Naaldwijk, NL.

Barth, Kerstin and Koopmann, Regine (2004) Endoparasiten und Milchqualität bei Ziegen im Ökologischen Landbau. [Wurm burden and milk quality of goats in organic farming.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Barth, Kerstin and Koopmann, Regine (2004) Parasitenbelastung und Milchqualität bei Schafen und Ziegen im Ökologischen Landbau. [Wurm burden and milk quality of sheep and goats in organic farming.] In: Rahmann, Gerold and Kühne, Stefan (Eds.) Ressortforschung für den Ökologischen Landbau 2004, Bundesforschungsanstalt für Landwirtschaft (FAL), Sonderhefte der Landbauforschung Völkenrode, no. 273, pp. 69-74.

Beck, Alexander and Schmid, Otto (2004) Zusatzsstoffe in ökologischen Lebensmitteln: Wie können die Zulassungsverfahren verbessert werden? Ökologie & Landbau, 2004, 130 (2/2004), pp. 44-49.

Becker, Carsten; Ekert, Stefan; Sommer, Jörn and Zorn, Alexander (2004) Evaluation des Bundesprogramms Ökologischer Landbau. [Evaluation of the Federal Programme for Organic Farming.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Beijer, L.; Goey, J. De and Schroën, F. (2004) zwakste schakel : ontheffingenstructuur gangbaar uitgangsmateriaal voor de biologische landbouw. Rapport EC-LNV nr. 2004/249. Expertisecentrum LNV, Ede, NL.

Bellon, S. and de Abreu, L.S. (2004) Social development: organic horticulture in São Paulo, Brazil. In: Book of abstracts, CABI. [In Press]

Bellostas, Natalia; Sørensen, Jens Christian and Sørensen, Hilmer (2004) Qualitative and quantitative evaluation of glucosinolates in cruciferous plants during their life cycles. Agroindustria, 3 (3), pp. 5-10.

Belz, J. and Pfeiffer, B. (2004) Results from a Research Project about foliar fertilizers in organic fruit-growing. [Ergebnisse aus einem Forschungsprojekt zu Blattdüngern im ökologischen Obstbau.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 150-156.

Bengtsson, Marianne; Wulff, Ednar; Pedersen, Hanne Lindhard; Paaske, Klaus; Jørgensen, Hans J. Lyngs and Hockenhull, John (2004) New fungicides for apple scab control in organic growing. Newsletter from Danish Research Centre for Organic Farming (3).

Bengtsson, Marianne; Wulff, Ednar; Pedersen, Hanne Lindhard; Paaske, Klaus; Jørgensen, Hans J.Lyngs and Hockenhull, John (2004) Nye midler til bekæmpelse af skurv i økologiske æbler. [New fungicides for apple scab control in organic growing.] Nyhedsbrev fra Forskningscenter for Økologisk Jordbrug (5).

Benker, Marianne and Peters, Rolf (2004) Gezielte Belichtung von Kartoffelknollen – Ein umweltschonendes Verfahren zur Produktion von gesundem Pflanzgut im ökologischem Anbau. [Light treatment of potato tubers - an environmentally sound method for ecological production of healthy seed potatoes.] Georg-August-Universität Göttingen , Institut für Pflanzenpathologie und Pflanzenschutz.

Bentley-Fox, Helen (2004) Energy Inputs into the Average Arable/forage crop at Sheepdrove Organic Farm 2003/4. The Organic Research Centre, Elm Farm .

Bergleiter, Stefan; Pätzold, Jörg; Stamer, Andreas and Teufel, Jennifer (2004) Ökologische Fischproduktion: Struktur, Entwicklung, Probleme, politischer Handlungsbedarf. [Production of Organic Fish in Germany – a Status Quo Analysis of the Industry.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Berner, Alfred; Mäder, Paul; Schaub, Daniel and Ott, Martin (2004) Feldrandkompostierung - ein Problem für das Grundwasser? Umwelt Aargau, November 2004 (26), pp. 9-12.

Berntsen, J.; Petersen, B.M.; Kristensen, I.S. and Olesen, J.E. (2004) Nitratudvaskning fra økologiske og konventionalle planteavlsbedrifter - simuleringer med FASSET bedriftsmodellen. Markbrug, no. 107. Danmarks JordbrugsForskning .

Berntsen, J.; Petersen, B.M.; Kristensen, I.S. and Olesen, J.E. (2004) Nitratudvaskning fra økologiske og konventionelle planteavlsbedrifter - simuleringer med FASSET bedriftsmodellen. Intern rapport, no. 56. Forskningscenter for Økologisk Jordbrug (FØJO) .

Berntsen, Jørgen (2004) Ingen forskel på nitratudvaskning. Økologisk Jordbrug, 2004, 316, p. 6.

Berntsen, Jørgen; Hauggard-Nielsen, Henrik; Olesen, Jørgen E.; Molt Petersen, Bjørn; Jensen, Erik Steen and Thomsen, Anton (2004) Modelling dry matter production and resource use in intercrops of pea and barley. Field Crops Research, 88 (1), pp. 69-83.

Bertelsen, Inger and Rasmussen, Ilse A. (2004) Ukrudtets udvikling i de økologiske sædskifteforsøg. [Development in weed infestation in organic trials with crop rotations.] . Online at http://www.lr.dk/planteavl/diverse/oekovaerk_ukrudtets_udvikl.htm.

Bertschinger, Lukas; Mouron, Patrik; Dolega, Ewa; Höhn, Heinrich; Holliger, Eduard; Husistein, Alfred; Schmid, Andi; Siegfried, Werner; Widmer, Albert; Zürcher, Matthias and Weibel, Franco (2004) Ecological Apple Production: a Comparison of Organic and Integrated Apple-growing. In: Bertschinger, L. and Anderson, J.D. (Eds.) Acta Horticulturae 638, XXVI International Horticultural Congress: Sustainability of Horticultural Systems in the 21st Century, Toronto, Canada. International Society for Horticultural Science, pp. 321-332.

Beste, Andrea (2004) Vorsorgender Erosionsschutz im Ackerbau – Förderung der Lebendverbauung durch Fruchtfolge, organische Düngung und angepasste Bodenbearbeitungstechnik. [Provisional Soil Protection from Erosion in Agriculture - Support of Biogenic Structure Development with Crop Rotation, Organic Manuring and Suitable Tillage Techniques.] Local Land and Soil News, The Bulletin of the European Land and Soil Aliance (ELSA), 2/3 (10/11), p. 33.

Bestman, M. (2004) Hogere productie door gescheiden aanbieden van gras en klaver. Louis Bolk Instituut, Driebergen, NL.

Bestman, M. (2004) Spenen van kalveren in twee stappen diervriendelijker. Louis Bolk Instituut, Driebergen, NL.

Bestman, M. (2004) Wat onderzoeken internationale gedragsonderzoekers aan melkkoeien? Louis Bolk Instituut, Driebergen, NL.

Bestman, M.; Iepema, G.; Janmaat, L.; Methorst, R. and Rodenburg, B. (2004) Ekopluim nieuwsbrief nummer 6. Ekopluim nieuwsbrief / Louis Bolk Instituut, 2004 (6), 1 - 4.

Bestman, M.; Iepema, G.; Wagenaar, J.P.; Fiks, T.; Rodenburg, B.; Methorst, R. and Janmaat, L. (2004) Ekopluim nieuwsbrief nummer 8 - december 2004. Ekopluim nieuwsbrief / Louis Bolk Instituut, 2004 (8), 1 - 6.

Bestman, M. and Wagenaar, J.P. (2004) Ekopluim nieuwsbrief nummer 4 - december 2003. Ekopluim nieuwsbrief / Louis Bolk Instituut, 2004 (4), 1 - 4.

Bestman, M. and Wagenaar, J.P. (2004) Nieuwsbrief nummer 1 - maart 2003. Ekopluim nieuwsbrief / Louis Bolk Instituut, 2004 (1), 1 - 2.

Bettiol, Wagner ; Ghini, Raquel ; Galvão, José Abrahão Haddad and Siloto, Romildo Cássio (2004) Organic and conventional tomato cropping systems. [Sistemas de cultivo orgânico e convencional de tomateiro.] Scientia Agricola, 61 (3), pp. 253-259.

Beuze, M. De (2004) Werkgebieden Praktijkonderzoek Plant & Omgeving : wat doet PPO voor de biologische sectoren? Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (10), 26 - 27.

Beuze, M. De; Pittens, H.W.J.M. and Reuler, H. Van (2004) Biologische boomteelt op zand : biologische boomteelt bedrijfssysteem Meterik 2001 t/m. 2003. PPO, Sector Bomen, Boskoop, NL.

Bezemer, J. (2004) verantwoorde greep in de gereedschapskist: PPO Naaldwijk werkt aan complexe beheersstrategieën in gewasbescherming. Onder glas, 2004, 1 (2), 18 - 19.

Bezemer, J. (2004) Zoeken naar het optimum : bestuiving en biologische gewasbescherming in belichte tomatenteelt. Onder glas, 2004, 1 (5), 26 - 27.

Bichler, B.; Häring, A. M. and Lippert, C. (2004) Die Bestimmungsgründe der räumlichen Verteilung des ökologischen Landbaus in Deutschland. [Factors determining spatial distribution of organic farming in Germany.] Paper at: 42. Jahrestagung der Gesellschaft für Wirtschafts- und Sozialwissenschaften des Landbaus e.V., Hohenheim, 29.09.2003 - 01.10.2003. [In Press]

Bissinger, C.; Steingaß, H. and Drochner, W. (2004) Steigerung des Gehaltes an nutzbarem Protein bei Körnerleguminosen mittels ökologisch konformer technischer Bearbeitungsverfahren zur Förderung von Gesundheit und Leistungsfähigkeit von Hochleistungskühen im ökologischen Landbau. [Increasing utilisable protein of field beans, peas and lupines by technical treatments conforming to organic farming, for the advantage of health and performance of high yielding dairy cows in organic farming.] Universität Hohenheim , Institut für Tierernährung.

Blanken, K. and Dooren, H.J. Van (2004) Gesorteerde mest op Aver Heino. Praktijkkompas. Rundvee, 2004, 18 (1), 18 - 19.

Blockmans, K. and Moerman, E. (2004) Nieuwe roofmijt verandert bestrijding in paprika. Groenten + fruit : weekblad voor de voedingstuinbouw., 2004, Algeme (41), 24 - 25.

Bloemhard, C. (2004) Biologische telers gaan tot het uiterste : Gewasbescherming. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Bloksma, Joke; Huber, Machteld; Northolt, Martin; Zanen, Marleen and Jansonius, Pieterjans (2004) Parameters for apple quality - 2 - and the development of the ‘inner quality concept’ 2001-2003. [Parametern für Apfelqualität und die weitere Entwicklung des Begriffs der ‘Inneren Qualität’ 2001-2003. Parameters voor appelkwaliteit en de verdere ontwikkeling van het ‘innerlijke kwaliteits concept’ 2001-2003.] Louis Bolk Instituut Publications, no. GVV04. Louis Bolk Instituut .

Blom, G. (2004) Biologische kringloopkas. Wageningen UR, Wageningen, NL.

Blom, M. (2004) Kennisbank Biologische Landbouw en Voeding : bibliografische gegevens en volledige teksten via internet opvraagbaar. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (1), 16 - 17.

Boecking, Otto and Kubersky, Ulrike (2004) Entwicklung eines Rückstands-Kontrollsystems im Bereich Honig aus ökologischer Bienenhaltung. [Development of a residue-control-system for organic acids in organically produced honey.] Niedersächsisches Landesamt für Verbraucherschutz und Lebensmittelsicherheit (LAVES) , Institut für Bienenkunde Celle.

Boekhoff, M. (2004) Meer samenwerking kans en karwei voor biologische landbouw van morgen! Praktijkkompas. Varkens, 2004, 18 (4), 10 - 11.

Boelt, B. (2004) Biosafety data improving the regulation of Co-existence. In: 8th International Symposium on the Biosafety of Genetically Modified Organisms, pp. 195-199.

Boelt, Birte (2004) Co-existence of Organic and GM Agriculture. Speech at: First World Conference on Organic Seed: Challenges and Opportunities for Organic Agriculture and the Seed Industry, FAO Headquarters, Rome, Italy, July 5-7, 2004.

Boelt, Birte and Gislum, René (2004) What are the limiting factors to seed quality in organic production of grass and clover seed and how to improve yield. In: Lammerts van Bueren, Edith; Ranganathan, Radha and Sorensen, Neil (Eds.) Proceedings of the First World Conference on Organic Seed: Challenges and Opportunities for Organic Agriculture and the Seed Industry, pp. 149-153.

Boelt, Birte; Jensen, Anne Mette Dahl and Bjørn, Gitte Kjeldsen (2004) Seed quality in organic carrot seed production. Does tunnel production in Denmark provide sufficient seed quality? In: Lammerts van Bueren, Edith; Ranganathan, Radha and Sorensen, Neil (Eds.) Proceedings of the First World Conference on Organic Seed: Challenges and Opportunities for Organic Agriculture and the Seed Industry, p. 164.

Boelt, B. (2004) Co-existence with GMOs and organic seed production. In: European Hearing on Organic Food and Farming. Towards a European Action Plan, p. 297.

Böhm, Herwart (2004) Wuzi bekämpft Ampfer maschinell. TASPO - Unabhängige Fachzeitschrift für Produktion, Dienstleistung und Handel im Gartenbau (30), p. 7.

Böhm, Herwart and Bilau, Arne (2004) Ertrag und Futterqualität der Schmalblättrigen Süßlupine (L. angustifolius) in Reinsaat und im Gemengeanbau. [Yield and fodder quality of L. angustifolius as single crop and in mixed cropping systems.] In: Kauter, D.; Kämpf, A.; Claupein, W. and Diepenbrock, W. (Eds.) Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Günter Heimbach, 16, pp. 135-136.

Böhm, Herwart and Bilau, Arne (2004) Süßlupine auch im Gemenge geeignet? [Blue Lupin - adapted for mixed culivation?] Bioland Fachzeitschrift für den ökologischen Landbau, 2004 (2), pp. 24-25.

Böhm, Herwart and Finze, Jana (2004) Überprüfung der Effektivität der maschinellen Ampferregulierung im Grünland mittels WUZI unter differenzierten Standortbedingungen. [Verification of the effectiveness of the mechanical regulation of Rumex spp. by WUZI under different conditions of location.] Paper at: Aktuelle Projekte im Bereich Pflanzenschutz - Bundesprogramm Ökologischer Landbau, Bonn, 23.-24. November 2004.

Böhm, Herwart and Verschwele, Arnd (2004) Ampfer- und Distelbekämpfung im Ökolandbau. [Control of Rumex spp. and Cirsium arvense in organic farming.] Landbauforschung Völkenrode, Sonderheft 273, pp. 39-47.

Böhm, Herwart and Verschwele, Arnd (2004) Ampfer- und Distelbekämpfung im Ökologischen Landbau. [Control of Rumex spp. and Cirsium arvense in organic farming.] In: Rahmann, Gerold and Kühne, Stefan (Eds.) Ressortforschung für den Ökologischen Landbau 2004, Bundesforschungsanstalt für Landwirtschaft (FAL), Sonderhefte der Landbauforschung Völkenrode, no. 273, pp. 39-48.

Böhm, Herwart and Finze, Jana (2004) Überprüfung der Effektivität der maschinellen Ampferregulierung im Grünland mittels WUZI unter differenzierten Standortbedingungen. [Verification of the effectiveness of the mechanical regulation of Rumex spp. with WUZI under different locational conditions.] Bundesforschungsanstalt für Landwirtschaft (FAL), Westerau , Institut für ökologischen Landbau (OEL).

Bol, Roland; Petersen, Søren O.; Christofides, Calliopi; Dittert, Klaus and Hansen, Martin Nørregaard (2004) Short term N2O, CO2, NH3 fluxes and N/C transfers in a Danish grass-clover pasture after simulated urine deposition in autumn. [Udledninger af lattergas, kuldioxid og ammoniak samt N/C-omsætning i en dansk kløvergræsmark efter simuleret afsætning af urin om efteråret.] Journal of Plant Nutrition and Soil Science, 167, pp. 568-576.

Bomford, Michael K. (2004) Yield, pest density, and tomato flavor effects of companion planting in garden-scale studies incorporating tomato, basil, and Brussels sprout. Thesis, West Virginia University , Plant and Soil Science. . [Unpublished]

Bonde, M. and Sorensen, J.T. (2004) Heard health management in organic pig production using a quality assurance system based on Hazard Analysis and Critical Control Points. NJAS Wageningen Journal of Life Sciences. Rodent control strategies in organic farming., 52 (2), pp. 133-143.

Bonde, Marianne Kjær and Sørensen, Jan Tind (2004) Velfærds- og sundhedsproblemer i økologisk sohold: forekomst, risikofaktorer og kontrolmuligheder. In: Sørensen, Jan Tind (Ed.) Produktionsstyring med fokus på husdyrsundhed og fødevaresikkerhed i økologiske svinebesætninger: Rapport fra workshop afholdt på Hotel Bygholm Park 23. april 2003. FØJO Intern rapport, no. 54. Forskningscenter for Økologisk Jordbrug , chapter 2, pp. 7-18.

Bondt, N.; Delen, J. Van; Sengers, H.H.W.J.M. and Vlieger, J.J. De (2004) Biologisch rundvlees: vraag en aanbod in evenwicht. Rapport / LEI. Domein 5, Ketens 5. LEI, Den Haag, NL.

Borgen, Anders (2004) Control of seed borne diseasees in organic seed propagation. In: Osborn, Thomas; van Bueren, Edith Lammerts and Ranganathan, Radha (Eds.) Proceedings of the First World Conference on Organic Seed. Challenges and Opprotunities for Organic Agriculture and the Seed Industry, IFOAM, 1, pp. 170-171.

Borgen, Anders (2004) Organic seed treatment to control common bunt (Tilletia tritici) in wheat. Seed Testing International, 128, pp. 8-9.

Borgen, Anders (2004) Organic seed treatment to control common bunt (Tilletia tritici) in wheat. In: Powell, Alison (Ed.) Book of Abstracts, ISTA, p. 10.

Borgen, Anders (2004) Strategies for regulation of seed borne diseases in organic farming. In: Alison, Powell (Ed.) Abstracts, 27th ISTA Congress, Seed Symposium, 2004 (27), p. 10.

Borgen, Anders (2004) Strategies for regulation of seed borne diseases in organic farming. Seed Testing International - ISTA News Bulletin, 127, pp. 19-21.

Bos, J. and Wit, J. De (2004) Kringlopen in de biologische landbouw: best belangrijk! : de verschillende sectoren staan voor hun eigen uitdagingen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (3), 16 - 17.

Bosch, H. (2004) Raalte als brug tussen producent en consument. Praktijkkompas. Varkens, 2004, 18 (4), 14 - 15.

Bradshaw, N J; Stopes, C J; Little, A J; Hitchings, R and Buffin, D (2004) UK and EU policy for approval of pesticides suitable for organic systems: Implications for Wales. Welsh Assembly Government .

Braker, M. and Kasper, G. (2004) Niewsbrief nummer 4. Nieuwsbrief nieuwe veehouderij in het veenweidegebied / Praktijkonderzoek van de Animal Sciences Group, 2004, 2 (4), 1 - 2.

Branco, Telma Branco and Marra, José Felipe (2004) A agroecologia promovendo a segurança alimentar: um estudo de caso do semi-árido brasileiro. [Agroecology promoting food security: case study of the brazilian semi-arid.] Revista Agriculturas: experiências em agroecologia, 1, pp. 15-16.

Brandenburg, Alfio ; Ferreira, Angela Duarte Damasceno and Santos, Leonardo José Cordeiro (2004) Dimensões socioambientais do rural contemporâneo. [Socio-environmental dimensions of contemporary rurality.] Revista Desenvolvimento e Meio Ambiente, 10, pp. 119-125.

Brandsma, E.M.; Binnendijk, G.P.; Buisonjé, F.E. De; Mul, M.F.; Bokma-Bakker, M.H.; Hoogenboom, L.A.P.; Traag, W.A.; Kan, C.A.; Bree, J. De and Kijlstra, A. (2004) Factoren die het dioxinegehalte in biologische eieren kunnen beïnvloeden. Animal Sciences Group, Lelystad, NL.

Brandt, Michael; Farke, Antje; Sundrum, Albert and Weißmann, Friedrich (2004) Ganzjährige Freilandhaltung von Mastschweinen als ein Fruchtfolgeglied im Ökologischen Landbau. [Fattening pigs in an outdoor system as a part of the crop rotation within organic farming.] Fachbereich Ökologische Agrarwissenschaften, Universität Kassel , Fachgebiet Tierernährung und Tiergesundheit.

Brandt, Michael and Sundrum, Albert (2004) Umweltverträgliche Freilandhaltung von Mastschweinen im Ökologischen Landbau. [Environmental sustainable outdoor pig fattening in organic farming.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel, pp. 1-4.

Brouwer, F.M.; Bont, C.J.A.M. De; Leneman, H. and Meulen, H.A.B. Van Der (2004) Duurzame landbouw in beeld. LEI, Den Haag, NL.

Brouwer, H.; Werf, J Van Der; Weering, H. Van and Kijlstra, A. (2004) Paratuberculose in de biologische melkveehouderij : omvang en gehanteerde management maatregelen omtrent paratuberculose. Animal Sciences Group, Wageningen, NL, , UR.

Brouwers, T. (2004) Samen werken aan winst : maatschappelijk verantwoord ondernemen loont! Ministerie van Landbouw, Natuur en Voedselkwaliteit, Den Haag, NL.

Bruinsma, A. (2004) Boeren en hun boekhouding : kosten worden over het hoofd gezien. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (5), 26 - 27.

Bueren, E.T. Van and Raaijmakers, M. (2004) Biologisch zaai- en plantgoed in wereldperspectief : Wereldconferentie te Rome, juli 2004. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (9), 12 - 13.

Bugge Henriksen, Christian; Mølgaard, Jens Peter and Rasmussen, Jesper (2004) Inter-row subsoiling increases marketable yield in potatoes. Darcof e-news.

Bühler, Rudolf and Postler, Günther (2004) Ökologischer Gesamtzuchtwert Schwäbisch-Hällisches Schwein. [Organic total breeding value estimation Schwäbisch-Hällisches Schwein.] Züchtervereinigung Schwäbisch Hällisches Schwein e.V. .

{Project} Ökologischer Gesamtzuchtwert Schwäbisch-Hällisches Schwein. [Organic total breeding value estimation Schwäbisch-Hällisches Schwein.] Runs 2002 - 2004. Project Leader(s): Bühler, Dipl. Ing. Rudolf, Züchtervereinigung Schwäbisch Hällisches Schwein e.V. .

Buiter, W.J. (2004) Scheiding van biologische varkensmest met een decanteercentrifuge. ZLTO, NL.

Bulk, R.W. Van Den (2004) Gezond en vitaal uitgangsmateriaal voor de biologische en andere vormen van duurzame landbouw : resultaten van LNV onderzoeksprogramma 388 (2001-2004). Rapport / Plant Research International 87.. Plant Research International, Wageningen, NL, , UR.

Bulk, R.W. Van Den; Groot, S.P.C.; Jalink, H.; Langerak, C.J.; Stevens, L.H. and Wolf, J.M. Van Der (2004) Gezond en vitaal biologisch uitgangsmateriaal. Plant Research International, Wageningen, NL, , UR.

Bundesforschungsanstalt für Landwirtschaft, FAL (2004) Ampfer im Grünland erfolgreich kontrollieren - Ein praktischer Leitfaden für den ökologischen Landbau. .

Burmoi, Tauno (2004) Ekologisk växthusföretagare med know-how. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Buttenschøn, R.M. and Nielsen, L. (2004) Regulering af lysesiv. Park og Landskab Videnblade (6.2-13).

Cabaret, Jacques (2004) Parasitisme helminthique en élevage biologique ovin : réalités et moyens de contrôle. [Parasitism management in organic sheep production.] Productions animales, pp. 145-154.

Camargo, Ana Maria Montragio Pires de ; Caser, Denise Viani ; Filho, Waldemar Pires de Camargo ; Camargo, Felipe Pires de and Coelho, Paulo José (2004) Área cultivada com agricultura orgânica no estado de São Paulo, 2004. [Cultivated area with organic agriculture hthe state of São Paulo, 2004.] Informações Econômicas, 36 (3), pp. 34-62.

Canali, S.; Trinchera, A.; Intrigliolo, F.; Pompili, L.; Nisini, L.; Mocali, S. and Torrisi, B. (2004) Effects of long term application of compost and poultry manure on soil quality of citrus orchards in Southern Italy. [.] Biology and Fertility of Soils ( 40), pp. 206-210.

Caravita, M.A; Di Donna, L; Fusto, D; Mazzotti, F; Muzzalupo, I; Parise, A; Perri, E and Sindona, G (2004) DETERMINAZIONE INNOVATIVA DEL ROTENONE NEGLI OLI DI OLIVA DA AGRICOLTURA BIOLOGICA MEDIANTE SPETTROMETRIA DI MASSA TANDEM. [New determination of the rotenone in olive oil from organic farming by Tandem Mass Spectrometry.] In: Atti del Convegno Nazionale GERMOPLASMA OLIVICOLO E TIPICITÀ DELL’OLIO, pp. 231-234.

Carlin, A.; Mouret, J.C.; Dreyfus, Fabrice and Hammond, Roy (2004) Riziculture biologique et maîtrise des mauvaises herbes en Camargue : questionnements et débats techniques, diversité des pratiques et premiers résultats de recherche. HAL CCSD.

CASTELLINI, Prof C; MUGNAI, Dr C; DAL BOSCO, dr A; PALOZZO, dr M and SCUOTA, dr S (2004) ASPETTI COMPORTAMENTALI, PRESTAZIONI PRODUTTIVE E QUALITÀ DELL'UOVO IN GALLINE ALLEVATE CON IL METODO BIOLOGICO. [WELFARE, BEHAVIOUR, PERFORMANCE AND EGG QUALITY IN ORGANIC HENS.] AVICOLTURA (3), pp. 41-44.

Castro, Nilmar Eduardo Arbex de; Pinto, José Eduardo Brasil Pereira; Cardoso, Maria das Graças; Morais, Augusto Ramalho de; Bertolucci, Suzan Kelly V.; Silva, Fabiano Guimarães da and Delú Filho, Nelson (2004) Planting time for maximization of yield of vinegar plant calyx (Hibiscus sabdariffa L.). [Época de plantio para maximização da produção de cálices de vinagreira (Hibiscus sabdariffa L.).] Ciência e Agrotecnologia, 28 (3), pp. 542-551.

CAVOSKI, Ivana (2004) The effects of compost and compost extract on soil properties and lettuce growth. [Les effets du compost et des extraits de compost sur les propriétés du sol et sur la croissance de la laitue.] Thesis, IAMB Mediterranean Agronomic Institute of Bari , Organic Farming. Collection Master of Science IAMB-CIHEAM (International Centre for advanced Mediterranean agronomic studies), no. 352. . [Unpublished]

Champeil, Agnès; Fourbet, Jean-Francois; Doré, Thierry and Rossignol, Laure (2004) Influence of cropping system on Fusarium head blight and mycotoxin levels in winter wheat. Crop Protection, pp. 531-537.

Chatskikh, Dmitri; Olesen, Jørgen E. and Berntsen, Jørgen (2004) Modelling of N2O emissions from grasslands in Denmark. Speech at: Joint meeting of COST Action 627, Ghent, Belgium, 3-4 May 2004.

Christensen, B.T. (2004) Tightening the nitrogen cycle. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality - Challenges in Modern Agriculture. CABI, chapter 3, pp. 47-67.

Christian, Dipl.-Ing. Sven (2004) Die Albanische Landwirtschaft - gegenwärtige Situation und Untersuchungen zu Entwicklungschancen des ökologischen Landbaus. [The albanian agriculture - present situation and analysis for the development chances of ecological agriculture.] Thesis, FH-Eberswale , FB Landschaftsnutzung und Naturschutz. . [Unpublished]

Cino, B.J. (2004) Duurzame landbouw: de praktijk onderweg. Alterra-rapport 1005.. Alterra, Wageningen, NL.

{Tool} Producing onion seeds for organic agriculture. [Produire des semences d'oignon dans un itinéraire agrobiologique.] Creator(s): Collin, F.; Brun, L.; Jonis, M.; Lelagadec, F.; Lizot, J.F.; Delmond, F.; Broucqsault, L.M.; Serpeille, A. and Laurent, E.. Issuing Organisation(s): ITAB - Institute for Organic Agriculture and Food, FNAMS - Fédération Nationale des Agriculteurs Multiplicateurs de Semences. (2004)

Colomb, B.; Desclaux, D.; Debaeke, P.; Justes, E. and Burger, P. (2004) Ability of new durum wheat pure lines to meet yield stability and quality requirements in low input and organic systems. Paper at: Pc. 8th ESA Congress, Copenhague.

Commins, Ken (2004) Overview of Current Status of Standards and Conformity Assessment Systems. Working paper, UNCTAD / IFOAM / FAO, INTERNATIONAL TASK FORCE ON HARMONIZATION AND EQUIVALENCE IN ORGANIC AGRICULTURE . [Unpublished]

Corre-Hellou, Dr Guénaëlle and Crozat, Pr Yves (2004) N2 fixation and N supply in organic pea (Pisum sativum L.) croping systems as affected by weeds and peaweevil (Sitona lineatus L.). European Journal of Agronomy : 22(4) : 449-458. European Journal of Agronomy, 22 (4), pp. 449-458.

Cuijpers, W. and Koopmans, C. (2004) Balanceren tussen plantenvoeding en bodemverzorging. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Cuijpers, W.; Koopmans, C. and Voogt, W. (2004) Hulpmeststoffen in de biologische glastuinbouw : noodzaak en discussie. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (9), 26 - 27.

Cuijpers, W.; Postma, J.; Messelink, G. and Janmaat, J. (2004) Nieuwsbrief Biokas nummer 10 - december 2004. Nieuwsbrief / Biokas, 2004 (10), 1 - 4.

Cuppen, J.G.M.; Heijerman, T.; Wielink, P. and Loomans, A.J.M. (2004) lieveheersbeestje Harmonia axyridis in Nederland : een aanwinst voor onze fauna of een ongewenste indringer (Coleoptera: coccinellidae)? Nederlandse faunistische mededelingen / Nationaal Natuurhistorisch Museum, 2004 (20), 1 - 12.

Dabbert, Stephan and Häring, Anna Maria (2004) Förderung des Öko-Landbaus - Vom Aschenputtel zum Lieblingskind. Ökologie & Landbau, 2004, 129, pp. 14-16.

Dalgaard, R.; Halberg, N.; Kristensen, I.S. and Larsen, I. (2004) An LC inventory based on representative and coherent farm types. In: Halberg, N. (Ed.) Life Cycle Assessment in the Agri-food sector, Danish Institute of Agricultural Sciences (61), DIAS Report, Animal Husbandry, pp. 98-106.

Dalgaard, R.; Olesen, J.E.; Halberg, N. and Berntsen, J. (2004) Miljøeffekter og energibalancer ved energiproduktion på økologiske planteavlsbedrifter. In: Jørgensen, U. and Dalgaard, T. (Eds.) Energi i økologisk jordbrug. Reduktion af fossilt energiforbrug og produktion af vedvarende energi. FØJO-rapport, no. 19. Danish Research Centre for Organic Farming , chapter 6, pp. 103-123.

Daniel, Claudia and Wyss, Eric (2004) Du soufre en automne contre le phytopte du poirier. [Schwefel im Herbst gegen Birnenpockenmilbe // Sulfur in autumn against Phytoptus pyri.] bioktuell, 2004 (06), p. 15.

Daniel, Claudia and Wyss, Eric (2004) Efficacy of different insecticides and a repellent against the European pear sucker (Cacopsylla pyri). [Wirkung verschiedener Insektizide und Repellentien gegen den Gemeinen Birnenblattsauger (Cacopsylla pyri).] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 35-40.

Daniel, Claudia and Wyss, Eric (2004) Herbstapplikation verschiedener Akarizide gegen die Birnenpockenmilbe (Phytoptus pyri). [Different acaracides against pear leaf blister mite (Phytoptus pyri), application in autumn.] FiBl .

Daniel, Claudia and Wyss, Eric (2004) Schwefel im Herbst gegen Birnenpockenmilbe. [Sulfur in autumn against Phytoptus pyri.] Bioaktuell (6/04), p. 11.

Daniel, Claudia and Wyss, Eric (2004) Versuchsergebnisse Bereich Pflanzenschutzentomologie. [Results of FiBL Research in teh area of crop entomology.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 16-23.

Daniel, Claudia and Wyss, Eric (2004) Wirkung verschiedener Insektizide gegen die Blutlaus (Eriosoma lanigerum) als Herbstapplikation. [Effect different insecticides against American blight(Eriosoma lanigerum), application in autumn.] Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick , Pflanzenschutz: Schädlinge, Nützlinge.

Daniel, Claudia and Wyss, Eric (2004) Wirkung verschiedener Insektizide und Repellentien gegen den Gemeinen Birnenblattsauger (Cacopsylla pyri). [Efficacy of different insecticides and a repellent against the European pear sucker (Cacopsylla pyri).] In: Fördergemeinschaft Ökologischer Obstbau e.V.: 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany. D-Weinsberg.

Daniel, Claudia and Wyss, Eric (2004) Wirkung von Surround gegen den Gemeinen Birnenblattsauger (Cacopsylla pyri) im praxisnahen Grossversuch. [Efficacy of Surround® WP against the European pear psyllid (Cacosylla pyri) in large-scale field trials.] Mittelprüfung, no. Nr. 04/3e, Mittelprüfung 2004. Forschungsinstitut für biologischen Landbau (FiBL), CH-5070 Frick , Pflanzenschutz: Schädlinge, Nützlinge.

Daniel, Claudia and Wyss, Eric (2004) Wirkung von synthetischen Fasern und Plastikmanschetten, als Stammkragen montiert, gegen den Frostspanner (Operophtera brumata) in biologischen Kirschenanlagen. [Effect of synthetic fibres and plastic collar against Operophtera brumata on organic cherry trees.] Forschungsinstitut für biologischen Landbau (FiBL), CH-5070 Frick , Pflanzenschutz: Schädlinge, Nützlinge.

Daniel, Claudia; Wyss, Eric and Linder, Christian (2004) Applications de soufre en automne: une nouvelle manière de lutter contre l`ériophyide à galles du poirier. [Autumn applications of sulphur – a new approach to control the pear leaf blister mite Eriophyes pyri.] Revue suisse de viticulture arboriculture horticulture, pp. 199-203.

Das, Kasturi (2004) GM Crops in India: Why Open Pandora’s Box? www.gmwatch.org. Online at http://www.gmwatch.org/p1temp.asp?pid=54&page=1.

Das, Kasturi (2004) Organic: to combat pesticide residues. www.indiatogether.org, March 2004.

Das, Kasturi (2004) A Revolution Long Turned Brown. www.indiatogether.org, August 2004.

Das, Kasturi (2004) Transitioning to Organic. www.indiatogether.org, June 2004.

Deblitz, Claus; Izquierdo-Lopez, Maria D. and von Davier, Zazie (2004) Internationale Wettbewerbsfähigkeit der ökologischen Rindfleischproduktion in Deutschland. [International competitiveness of organic beef production in Germany.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Deleito, Cláudia Sayão Ramirez; Carmo, Margarida Goréte Ferreira do; Fernandes, Maria do Carmo de Araújo and Abboud, Antônio Carlos de Souza (2004) Biofertilizante agrobio: Uma alternativa no controle da mancha bacteriana em mudas de pimentão (Capsicum annuum l.). [Biofertilizer agrobio: An alternative in the control of leaf spot in pepper seedlings (capsicum annuum l.).] Ciência Rural, 34 (4), pp. 1035-1038.

Delen, J. Van (2004) Is er voor biologische uitstootkoeien een markt te winnen? Praktijkkompas. Rundvee, 2004, 18 (3), p. 9.

Dierauer, Hansueli and Böhler, Daniel (2004) Bio ohne Vieh ist eine grosse Herausforderung. [Organic Agriculture without livestock is a big challenge.] Bioaktuell (2/04), pp. 16-17.

Dierauer, Hansueli; Böhler, Daniel; Kranzler, Andreas and Zollitsch, Werner (2004) Lupinen. [Lupines.] FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Dierauer, Hansueli; Ebert, Ulrich and Jorek, Bettina (2004) Ackerkratzdistel - Erfolgreich regulieren im ökologischen Landbau. [Thistle - how to regulate them on organic farming.] Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Dierauer, Hansueli; Kranzler, Andreas; Uehlinger, Gabriela and Lindenthal, Thomas (2004) Ackerkratzdistel. Wie regulieren im Biobetrieb? [Thistles - how to manage them in organic farming.] Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.

Dillo, G.J. (2004) Sterke opkomst van tabakswittevlieg (Bemisia tabaci) : wittevlieg steeds vaker een probleem. Onder glas, 2004, 1 (7), 12 - 13.

{Project} Themennetzwerk Energie im ökologischen Landbau. [Energy in ecological farming.] Runs 2002 - 2004. Project Leader(s): Dobelmann, Dipl. Ing. Jan Kai, sesolutions - Research & Development Division, D-Karlsruhe .

Dobelmann, Jan Kai and Böttger, Gunnar (2004) Themennetzwerk Energie im ökologischen Landbau. [Energy in ecological farming.] sesolutions - Research & Development Division, D-Karlsruhe .

Donkers, H.W.J.; Immink, V.M.; Graaff, R.P.M. De; Roelofs, P.F.M.M. and Vlieger, J.J. De (2004) Kwaliteit en imago van biologisch varkensvlees : percepties over product en productiewijze = Quality and image of organic porc meat : perceptions about products and ways of production. Report / Agrotechnology and Food Innovations 061.. Agrotechnology and Food Innovations, Wageningen, NL.

Doornewaard, G.J.; Beldman, A.C.G.; Elzen, G.J.F. Van Den and Daatselaar, C.H.G. (2004) Economie op Bioveem-bedrijven. Rapport / Bioveem 5.. Animal Sciences Group, Divisie Praktijkonderzoek, Lelystad, NL.

Döring, Thomas F. (2004) Straw mulch in organically grown potatoes - evaluation and optimisation for virus vector control. PhD thesis, University of Kassel, Germany , Ecological Plant Protection. . [Submitted]

Dresbøll, Dorte Bodin (2004) Optimisation of growing media for organic greenhouse production. Thesis, Danish Institute of Agricultural Sciences , Department of Horticulture. .

Dries, D. Van Den; Muitjens, S.; Brinks, H.; Balen, D. Van and Sukkel, W. (2004) Biom nieuwsbrief nummer 8. Nieuwsbrief / Biom, 2004 (8), 1 - 4.

Dussen, B. Van Der (2004) Zaadteelt in Zeeland : BD toekomst van de Wilhelminahoeve veiliggesteld. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (2), 2 - 7.

Dussen, B. Van Der and Saal, J. (2004) De Korenmaat : Associatieve economie in zakformaat. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (1), 4 - 9.

Ebke, Marlene and Sundrum, Prof. Dr. Albert (2004) Qualitätssicherung in der ökologischen Schweinemast. [Ensuring quality in organic pig production.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

ECHEVARRIA, Laurence (2004) Maîtrise des infections mammaires dans les élevages agrobiologiques. [Control of breast infections in organic farming.] AlterAgri, 1 May 2004 (65), pp. 14-17.

Eekeren, N. Van (2004) Biologisch zaaizaad. Louis Bolk Instituut, Driebergen, NL.

Eekeren, N. Van (2004) Biologisch zaaizaad 2005. Louis Bolk Instituut, Driebergen, NL.

Eekeren, N. Van (2004) Biologische grasrassen en mengsels in 2004. Louis Bolk Instituut, Driebergen, NL.

Eekeren, N. Van and Bommelé, L. (2004) klavercystenaaltje : wel of geen probleem voor biologische melkveebedrijven? Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (11), 18 - 19.

Eekeren, N. Van and Eysker, M. (2004) Voorkómen van maagdarmworminfecties bij biologische geiten : de mogelijke beheersingsstrategieën. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (7/8), 26 - 27.

Eekeren, N. Van; Iepema, G. and Liere, M. Van (2004) Zoektocht naar mengteelt van grasklaver en kruiden : mogelijkheden van inzaai van kruiden voor mineralenvoorziening. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (4), 10 - 11.

Eekeren, N. Van; Iepema, G. and Smeding, F. (2004) Grasklaver voor verschraling van natuurgronden : win-win situatie voor veehouders en natuurorganisaties. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (5), 24 - 25.

Eekeren, N. Van; Liere, M. Van and Iepema, G. (2004) Klaver: de groene motor voor veehouderij in de Hilver: nieuwsbrief nummer 3. Nieuwsbrief klaverkracht / Louis Bolk Instituut, 2004 (4), 1 - 4.

Eekeren, N. Van and Wit, J. De (2004) Biologische maïsrassen. Louis Bolk Instituut, Driebergen, NL.

Eijck, I.; Kiezebrink, M.; Borgsteede, F.; Binnendijk, G. and Boekma-Bakker, M. (2004) Inventarisatie van parasieten in de varkenshouderij. PraktijkRapport / Animal Sciences Group, Praktijkonderzoek. Varkens 24. Animal Sciences Group, Praktijkonderzoek, Wageningen, NL.

Elberse, I. (2004) Alternatieve aaltjesonderdrukkende gewassen. Rapport / PPO 419.. Praktijkonderzoek Plant & Omgeving, Sector Bomen, Lisse, NL.

Elings, M.; Hassink, J.; Spies, H. and Enders-Slegers, M.J. (2004) Boer, zorg dat je boer blijft : een onderzoek naar de specifieke waarden van een bedrijfsmatige zorgboerderij. Rapport / Wetenschapswinkel Wageningen UR 194B.. Wetenschapswinkel Wageningen UR, Wageningen, NL.

Elmholt, S. (2004) Forebyggelse af mykotoksinproblemer. [Prevention of mycotoxin problems.] .

Elmholt, S. (2004) Smitteveje for ochratoksin A-dannende svampe. [Epidemiology of the ochratoxin A forming Penicillium verrucosum.] Agrologisk, December 2004, 22 (12), pp. 12-14.

Elmholt, S. (2004) Undgå toksiner under lagring. [Advice on how to avoid formation of mycotoxins during storage.] Paper at: Økologi-Kongres 2004 Vision og virkelighed, Odense Congres Centre, 16-17 November.

Elmholt, S. (2004) Vandprocent vigtigere end temperatur for ochratoksin A. [Moisture more important than temperature for the formation of ochratoxin A.] Agrologisk, December 2004, 22 (12), pp. 10-11.

Elmholt, S. and Rasmussen, P.H. (2004) Susceptibility of spelt to ochratoxin A producing fungi. DARCOFenews.

Elmholt, Susanne (2004) Vandindhold vigtigere end temperatur. [Moisture content more important than temperature.] Økologisk Jordbrug, October 2004 (322), p. 6.

Eriksen, J. (2004) Efficient use of grassland nitrogen. DARCOFenews (1).

Eriksen, J. (2004) Gross sulphur mineralisation-immobilisation turnover in soil amended with plant residues. Soil Biology & Biochemistry, 37, pp. 2216-2224.

Eriksen, J. (2004) Hvordan undgås svovlmangel i økologiske sædskifter. In: Månedsmagasinet Mark (1), p. 1.

Eriksen, J. (2004) Svovl i økologiske sædskifter. . Online at http://www.foejo.dk/enyt2/enyt/jan04/svovl.html.

Eriksen, J. (2004) Svovl i økologiske sædskifter? Økologisk Jordbrug, January 2004 (305), p. 6.

Eriksen, J. (2004) Udvaskning før og efter ompløjning af kløvergræs. Månedsmagasinet Mark, January 2004, 1, p. 18.

Eriksen, J.; Askegaard, M. and Kristensen, K. (2004) Nitrate leaching from an organic dairy crop rotation: the effect of manure type, N-input and improved crop rotation. Soil Use and Management, 20, pp. 48-54.

Eriksen, J.; Thorup-Kristensen, K. and Askegaard, M. (2004) Plant-availability of catch crop S following spring incorporation. Journal of Plant Nutrition and Soil Science, 167, pp. 609-615.

Eriksen, J. and Vinther, F.P. (2004) Nitrate leaching and N2-fixation in grasslands of different composition, age and management. In: Hatch, D.J.; Chadwick, D.R.; Jarvis, S.C. and Roker, J.A. (Eds.) Controlling nitrogen flows and losses, Wageningen Academic Publishers, The Netherlands, pp. 434-436.

Eriksen, J.; Vinther, F.P. and Søegaard, K. (2004) Ældre marker med kløvergræs kan beskytte grundvandet mod nitrat. FØJOenyt (4).

Eriksen, J.P.; Vinther, F.P. and Søegaard, K. (2004) Low nitrate leaching from long-term grass-clover. DARCOFenews (3).

Eriksen, J.; Vinther, F.P. and Søegaard, K. (2004) Nitrate leaching and N2-fixation in grasslands of different composition, age and management. Journal of Agricultural Science, 142, pp. 141-151.

Ester, A.; Arkema, M.; Gruppen, R.; Hazendonk, A.; Huisman, M.; Huiting, H.F.; Rozen, K. Van and Vlaswinkel, M.E.T. (2004) Bestrijding slakken met molluscofage nematoden themanummer toekomst biologische bestrijding. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (1), 1 - 5.

Eurola, Merja; Hietaniemi, Veli; Kontturi, Markku; Tuuri, Hannu; Kangas, Arjo; Niskanen, Markku and Saastamoinen, Marketta (2004) Selenium content of Finnish oats in 1997-1999: effect of cultivars and cultivation techniques. Agricultural and Food Science, 13 (1-2), pp. 46-53.

Eveleens, B. (2004) Nieuw biologisch stekpoeder geeft goede beworteling. Vakblad voor de bloemisterij, 2004, 59 (22), p. 49.

Evers, A.G. and Haan, M.H.A. De (2004) Kostprijsverschil tussen biologisch en gangbaar geproduceerde melk = Comparison of cost price of organic and regular milk. PraktijkRapport / Animal Sciences Group, Praktijkonderzoek 59. Rundvee 59. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Eyhorn, Frank (2004) ICCOA – Indian Competence Centre for Organic Agriculture. Research Institute of Organic Agriculture, Frick, Switzerland , International Cooperation. [Unpublished]

Eyhorn, Frank (2004) The Maikaal bioRe Cotton Research Project "Growing Organic Cotton under Groundwater Stress": Lessons from the Maikaal bioRe Project, Madhya Pradesh, India. Research Institute of Organic Agriculture FiBL, Frick, Switzerland , International Cooperation. [Unpublished]

Eyhorn, Frank (2004) Organic Agriculture in India. Research Institute of Organic Agriculture (FiBL), Frick, Switzerland . [Unpublished]

Farthofer, R.; Friedel, J. K.; Pietsch, G. and Freyer, B. (2004) Stickstoff-Auswaschungsverluste und Nachfruchteffekte von Luzerne (Schnitt- und Grünbrachenutzung) auf Getreide-Nachfrüchte im Ökologischen Landbau unter pannonischen Standortbedingungen in Ostösterreich. Mitt. Ges. Pflanzenbauwiss. (16), pp. 67-68.

Farthofer, R.; Friedel, J. K.; Pietsch, G.; Rinnhofer, T.; Loiskandl, W. and Freyer, B. (2004) Plant biomass nitrogen and effects on the risk of nitrate leaching of intercrops under organic farming in Eastern Austria. Paper at: EUROSOIL 2004, Freiburg, Germany, Sept. 4th to 12th.

Fidelak, Christian; Spranger, Jörg; Klocke, Peter; Hamann, Jörn and Heuwieser, Wolfgang (2004) Klinische Prüfung von Homöopathika (Nosoden) in der Kontrolle von Mastitiden des Rindes (NoKoM). [Clinical examination of homeopathics (nosodes) for dry cow treatment.] Freie Universität Berlin , Fachbereich Veterinärmedizin.

Finze, Jana and Böhm, Herwart (2004) Ampfer erfolgreich kontrollieren. [Dock: Successful control.] Bioland (1), pp. 24-25.

Finze, Jana and Böhm, Herwart (2004) Bedeutung von direkten Regulierungsmaßnahmen und dem Beweidungsmanagement auf den Besatz mit Ampfer-Arten (Rumex spp.) im ökologisch bewirtschafteten Grünland. [Effect of direct measures and grazing management on the density of dock species (Rumex spp.) in organically managed grassland.] Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Sonderheft XIX, pp. 527-535.

Flaten, Dr Ola; Lien, Dr Gudbrand; Koesling, Matthias; Valle, Dr Paul S. and Ebbesvik, Martha (2004) Comparing Risk Perceptions and Risk Management in Organic and Conventional Dairy Farming: Empirical Results From Norway. In: Cafiero, Carlo and Cioffi, Antonio (Eds.) Income stabilization in agriculture. The role of public policies, Edizioni Scientifiche Italiane, pp. 429-449.

Fließbach, Andreas and Mäder, Paul (2004) Short- and long-term effects on soil microorganisms of two potato pesticide spraying sequences with either glufosinate or dinoseb as defoliants. In: Biol Fertil Soils. 40, no. ISSN: 0178-2762 (Paper) 1432-0789 (Online). Springer-Verlag, pp. 268-276.

Fliessbach, Andreas; Mäder, Paul; Pfiffner, Lukas; Dubois, D. and Gunst, L. (editor): Koesling, M.; Serikstad, Grete Lene; Løes, Anne-Kristin; Loehr-Petersen, Klaus and Hermansen, Sven (Eds.) (2004) Økologisk drift gir bedre jordfruktbarhet og større biologisk mangfold. Erkjennelser fra 21 år med DOK-forsøk. [Organic farming enhances soil fertility and biodiversity Results from a 21 year old field trial.] FiBL Dossier, no. 1, 2004. Norsk senter for økologisk landbruk, Tingvoll.

Foereid, Bente and Høgh-Jensen, Henning (2004) Carbon sequestration potential of organic agriculture in northern Europe - a modelling approach. Nutrient cycling in agroecosystems, 68, pp. 13-24.

Fölsch, D. W.; Knierim, U. and Staack, M. (2004) Einsatz von gekeimtem Getreide in der Geflügelfütterung. [Use of germinated wheat in organic poultry feeding.] Universität Kassel , Fachgebiet Nutztierethologie und Tierhaltung, Fachbereich Ökologische Agrarwissenschaften.

Forschungsinstitut für biologischen Landbau, (FiBL) and Stiftung Ökologie & Landbau, (SÖL) (2004) Ökologisch bewirtschaftete Fläche in den neuen Mitgliedstaaten der EU. [Organically managed area in the member states of the European Union.] Ökologie & Landbau, 3 (2004), p. 11.

Fossing, C.; Vaarst, M. and Thamsborg, S. (2004) The effect of homeopathy in mild clinical mastitis: a double blinded clinical trial on 6 British dairy farms. [Submitted]

Fowler, Sue; Green, Michael; Hitchings, Roger; Jedwell, Andrew; Kennard, Bob; Little, Tony; McCalman, Heather; Pearson, Neil; Powell, Jane; Rowlands, Gareth; Spiller, Gary; Thomas, Huw; Wacher, Carolyn and Weller, Richard (2004) Organic Farming in Wales 2003 - 2004. Organic Centre Wales .

Fowler, Susan; Frost, David and de Carle, Caroline (editor): Fowler, Susan (Ed.) (2004) Environmental and biodiversity impacts of organic farming in the hills and uplands of Wales. Organic Centre Wales .

Franković, Matija; janev Hutinec, Biljana; Karoglan Todorović, Sonja and Znaor, Darko (2004) Agri-Environment Programme for Žumberak-Samoborsko Gorje Nature Park. Ecologica, Zagreb.

Franz, E.; Bruggen, A.H.C. Van and Semenov, A.M. (2004) Risk-analysis of human pathogen spread in the vegetable industry: a comparison between organic and conventional production chains. In: Bayesian statistics and quality modelling in the agro-food production chain : proceedings of the Frontis workshop on Bayesian statistics modelling in the agro-food production chain, Wageningen, The Netherlands 11 - 14 May 2003. Wageningen UR Frontis serie. Kluwer Academic, Dordrecht , NL.

Frederiksen, Pia (2004) Forvaltning af natur og landskab i økologisk jordbrug. [Management of natur and landscape in organic farming.] Speech at: Facetter af landskabsforskningen, Danish Landscape Ecological Association, National Environmental Research Institute, 16. september 2004.

Frederiksen, Pia (2004) Lokalisering af økologiske bedrifter - regional specialisering og koncentration? [Localisation of organic farms - regional specialisation and koncentration?] Speech at: Facetter af landskabsforskningen, Danish Landscape Ecological Association, National Environmental Research Institute, 16. september 2004.

Frederiksen, Pia; Ejrnæs, Rasmus and Tybirk, Knud (2004) Afrapportering af Crosscutting 1: koblinger mellem drift af vedvarende græs (wp2) og biologisk naturkvalitet (wp3). Working paper, Afd. for systemanalyse og Afd. f. Vildtbiologi og Biodiversitet, Danmarks Miljøundersøgelser . [Unpublished]

Frederiksen, Pia and Langer, Vibeke (2004) Hvordan udvikler det økologiske jordbrug sig regionalt? [How does the organic farming develop in a regional perspective?] National Environmental Research Institute , Department of Policy Analysis. [Unpublished]

Frederiksen, Pia and Langer, Vibeke (2004) LOCALISATION AND CONCENTRATION OF ORGANIC FARMING IN THE 1990'S - THE DANISH CASE. Tijdschrift voor Economische en Sociale Geographie, 95 (5), pp. 539-549.

Frederiksen, Pia and Langer, Vibeke (2004) Lokalisering af økologiske jordbrug sker ikke jævnt hen over landet. [Localization of organic farms show spatial variation Denmark.] FØJOenyt (3).

Frederiksen, Pia and Langer, Vibeke (2004) Nature Management and livelihood strategies on Danish organic farms. Speech at: NJF international conference, No 357, Current status, and developments of part-time farming., Billund, Denmark., 22-24 april, 2004.

Frederiksen, Pia and Langer, Vibeke (2004) Spatial variation in the localization of Danish organic farms. DARCOFenews (2).

Frederiksen, Pia and Langer, Vibeke (2004) Nature Management and livelihood strategies on Danish organic farms. In: Cristovão, Artur (Ed.) Proceedings of the Sixths European IFSA Symposium, European Farming and Society in Search of a New Social Contract - Learning to Manage Change, UTAD; Portugal, 1, pp. 361-374.

Frisch, Dr. Jürgen (2004) Betriebsplanung Landwirtschaft 2004/2005. [Data collection farm planning agriculture 2004/2005.] KTBL.

Frost, David (2004) Preaching Conversion: The Organic Conversion Information Scheme in Wales, 1996-2001. In: Organic-Research.com , ©CAB International, on-line, pp. 15-26.

Frost, David and Wacher, Carolyn (2004) A New Incarnation- The Role of the Organic Growers Association in Changing the Production and Marketing of Organic Produce. In: Organic-Research.com - January, 2004 , CAB International, on-line, 5 -14.

Früh, Barbara (2004) Feeding strategies in Swiss organic farming to improve food quality and animal health. In: Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) Organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality. Proceedings of the 2nd SAFO Workshop 25-27 March 2004, Witzenhausen, Germany. SAFO Sustaining Animal Health and Food Safety in Organic Farming. A European Commission funded Concerted Action Project., pp. 55-57.

Früh, Barbara and Schmutz, Res (2004) Fütterungsrichtlinien nach Bio Suisse. [Feeding Standards of BioSuisse.] Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Fuchs, Jacques; Amsler, Thomas; Jimenez, Sonia and Tamm, Lucius (2004) Neue Erkenntnisse aus Pflanzenschutzversuchen des FiBL. [Essais de protection des plantes de l’IRAB/FiBL: Nouvelles connaissances.] In: Häseli, Andreas (Ed.) Tagungsband zur Bioweinbautagung 2004, Forschungsinstitut für biologischen Landbau, Frick.

Fuchs, Jacques G. (2004) Gesündere Obstbäume mit Kompost? [Healthier fruit trees through compost.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 13-15.

G., LAIGNEL and M., BENOIT (2004) Production de viande ovine en agriculture biologique comparée à l’élevage conventionnel : résultats technicoéconomiques d’exploitations de plaine et de montagne du nord du Massif central. INRA Productions Animales, 2 (17), pp. 133-143.

Gaag, D.J. Van Der and Vellekoop, K. (2004) Biologische bestrijding van bodemschimmels in veensubstraten. Praktijkonderzoek Plant & Omgeving, Sector Glastuinbouw, Wageningen, NL.

Ganzert, Christian; Wild, Ulrich; Lex, Bernadette and Beck, Alexander (2004) Aufbau eines themenbezogenen Netzwerkes „Lebensmittelverarbeitung und –qualität“ im Bereich des Bundesprogramms Ökologischer Landbau. [Establishment of a network „food processing and –quality“ in the context of the Federal Programme for Organic Agriculture.] TUM-Tech GmbH, D-Weihenstephan .

Garcia, N. and Beerling, E. (2004) Bestrijding spint op rozenstek met behulp van warm water en mens- en milieuvriendelijke additieven. Praktijkonderzoek Plant & Omgeving, Sector Glastuinbouw, Aalsmeer, NL.

Gates, Fred K. and Dobraszczyk, Bogdan J. (2004) Mechanical properties of oats and oat products. Agricultural and Food Science, 13 (1-2), pp. 113-123.

Geels, C.; Løfstrøm, P.; Frohn, L.M.; Brandt, J. and Kjellsson, G. (2004) Wind dispersal of genetically modified pollen from oilseed rape and rye fields. DARCOFenews (2).

Geels, Camilla; Løfstrøm, Per; Frohn, L.M.; Brandt, Jørgen and Kjellsson, Gösta (2004) Model for vindspredning af pollen. [A model of wind dispersal of pollen.] In: Tools for protection against contamination by GMO. Danmarks Miljøundersøgelser , pp. 1-47. [Unpublished]

Geertsema, W.; Steingröver, E.; Wingerden, W. Van; Alebeek, F. Van and Rovers, J. (2004) Groenblauwe dooradering in de Hoeksche Waard : een schets van de gewenste situatie voor natuurlijke plaagonderdrukking. Alterra-rapport 1042.. Alterra, Wageningen, NL.

Geest, L. Van Der (2004) Schimmels als belagers van schadelijke mijten op planten. Entomologische berichten : maandblad, 2004, 64 (5), 146 - 156.

Geipel, Karlheinz and Kreckl, Dr. Wolfgang (2004) Controlling cherry fruit-fly (Rhagoletis cerasi L.). [Bekämpfung der Kirschfruchtfliege.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 41-47.

{Project} Optimierte Kälbergruppenhaltung in der Ökologischen Milchviehhaltung. [Optimized group housing of calves in organic dairy farms.] Runs 2002 - 2005. Project Leader(s): Georg, Dr. Heiko, Bundesforschungsanstalt für Landwirtschaft (FAL) .

Georg, Heiko; Hörning, Bernhard and Ude, Gracia (2004) Optimierte Kälbergruppenhaltung in der Ökologischen Milchviehhaltung. [Optimized group housing of calves in organic dairy farms.] Bundesforschungsanstalt für Landwirtschaft (FAL) , Institut für Betriebstechnik und Bauforschung.

Gerber, Alexander; Arman, Beate and Hill, Christian (2004) Ausbildung im Ökologischen Landbau. [Vocational training in agriculture.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Gerlach, Florian; Meier, Julia and Willer, Helga (2004) Online-Archivierung von Vorabdrucken und Veröffentlichungen in Organic Eprints: Stellungnahmen der Verlage. [Online archiving in Organic Eprints: Submission and copyright policies.] . Online at http://ecowiki.org/OrganicEprints/PublishersCopyrights. [Unpublished]

Gerretsen, J.J.A. (2004) Biologische boeren moeten zelf reclame maken. Syscope : kwartaalblad van systeeminnovatieprogramma's / Wageningen UR, 2004 (3), 8 - 9.

{Project} Status-Quo-Analyse und Entwicklung von Strategien zur Regulierung des Drahtwurmbefalls (Agriotes spp. L.) im Ökologischen Kartoffelanbau. [Status Quo Analysis and Development of Strategies to Regulate the Infestation of Wireworms (Agriotes spp. L.) in Organic Potato Farming.] Runs 2002 - 2004. Project Leader(s): Paffrath, Andreas, Landwirtschaftskammer Nordrhein-Westfalen .

Getreidezüchtungsforschung Darzau (2004) Zur Flugbrandkrankheit der Gerste. [About Barley Loose Smut Disease.] . Online at http://www.darzau.de/de/projekte/gerste_flugbrand.htm.

Getreidezüchtungsforschung Darzau (2004) Zur Hartbrandkrankheit der Gerste. [About Barley Covered Smut Disease.] . Online at http://www.darzau.de/de/projekte/gerste_hartbrand.htm.

Gjettermann, Birgitte (2004) Modelling P Dynamics in soil - Decomposition and Sorption: Concepts and User Manual. DHI - Institut for vand og Miljø , Hydrology, Solid and Waste Department.

Gjettermann, Birgitte; Styczen, Merete; Hansen, Søren; Borggaard, Ole K. and Hansen, Hans C.B. (2004) Sorption of dissolved organic C and P to agricultural top- and subsoil. In: Bruun, Bente (Ed.) ATV Jord og Grundvand. Vintermøde om jord- og grundvandsforurerening., ATV-fonden for jord og grundvand. DTU., pp. 435-444.

Gollner, M.; Friedel, J. K. and Freyer, B. (2004) Auswirkungen acker- und pflanzenbaulicher Massnahmen auf die arbuskuläre Mykorrhiza im Ökologischen Landbau. [The role of arbuscular mycorrhiza (AM) in organic farming systems to develop soil fertility under consideration of different strategies of crop management and influence of long term cultivated soils on AM under the conditions of organic farming.] Mitt. Ges. Pflanzenbauwiss. (16), pp. 25-26.

Gollner, Manfred; Friedel, Jürgen K. and Freyer, Bernhard (2004) Auswirkungen landwirtschaftlicher Kulturmaßnahmen auf die arbuskuläre Mykorrhiza im Ökologischen Landbau. [Effects of agricultural management on arbuscular mycorrhiza in organic farming.] ÖGB-Mitteilung. [Submitted]

Gollner, Manfred; Friedel, Jürgen K. and Freyer, Bernhard (2004) Auswirkungen landwirtschaftlicher Kulturmaßnahmen auf die arbuskuläre Mykorrhiza im Ökologischen Landbau. [Effects of agricultural management on arbuscular mycorrhiza in organic farming.] Mitteilungen der Österreichischen Bodenkundlichen Gesellschaft (70), pp. 33-37.

Gomez, C.; Brun, L.; Chauffour, D.; de Le Vallée, D. and Rolland, E. (2004) Effects of burying and removing dead leaves from the ground on the development of scab epidemics in an apple organic orchard. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, p. 212.

Gonçalves, Paulo A.S.; Sousa e Silva, Carlos Roberto and Boff, Pedro (2004) Incidência do míldio em cebola sob adubação mineral e orgânica. [Incidence of downy mildew in onion growing under mineral and organic fertilization.] Horticultura Brasileira, 22 (3), pp. 538-542.

Gonçalves, Paulo A.S.; Werner, Hernandes and Debarba, João F. (2004) Avaliação de biofertilizantes, extratos vegetais e diferentes substâncias alternativas no manejo de tripes em cebola em sistema orgânico. [Evaluation of biofertilizers, plant extracts, and some alternative substances to manage onion thrips in organic agriculture system.] Horticultura Brasileira, 22 (3), pp. 659-622.

Gonçalves, Paulo Antonio de Souza and Sousa e Silva, Carlos Roberto (2004) Adubação mineral e orgânica e a densidade populacional de Thrips tabaci Lind.(Thysanoptera: Thripidae) em cebola. [Mineral and organic fertilization and onion thrips, Thrips tabaci Lind. (Thysanoptera:Thripidae) population density.] Ciência Rural, 34 (4), pp. 1255-1257.

Gonzálvez, V. (2004) Primera aproximación a los principios y valores de la agricultura ecológica en España. [Principles and values of organic farming in Spain.] Sociedad Española de Agricultura ecológica (SEAE) .

Gouble, S. (2004) BD in breder perspectief: Frankrijk. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (3), 30 - 31.

Goud, J.C. (2004) Verticillium-verwelkingsziekte in bomen : detectie, voorspelling van aantasting en beheersing van de ziekte. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (2), 78 - 80.

Goy, Iris Angela (2004) Bundesweite repräsentative Erhebung und Analyse der verbreiteten Produktions- und Vermarktungssysteme im ökologischen Gartenbau - Ergebnisse der Experteninterviews. Working paper, Zentrum für Betriebswirtschaft im Gartenbau e.V . [Unpublished]

Gräf, Volker; Mayer-Miebach, Esther and Schuchmann, Heike P. (2004) Verarbeitungseigenschaften und gesundheitliche Qualität von industriell hergestellten Möhrensäften aus ökologisch erzeugten Möhren. [Processing properties and nutritional quality of industrial carrot juices obtained from organic grown carrots.] Bundesforschungsanstalt für Ernährung und Lebensmittel (BfEL), D-Karlsruhe , Institut für Verfahrenstechnik (IVT).

Graglia, Enrico (2004) Erfaringer med tidselbekæmpelse på Flakkebjerg. In: Månedmagasinet Mark, 1, pp. 57-58.

Graglia, Enrico and Melander, Bo (2004) Regulering af rodukrudt. .

Graglia, Enrico; Melander, Bo; Grøndal, Henrik and Jensen, Rikke K. (2004) Effect of repeated hoeing on growth of Cirsium arvense. In: XII International Conference on Weed Biology, pp. 107-112.

Granstedt, Artur; Seuri, Pentti and Thomsson, Olof (2004) Effective recycling agriculture around the Baltic Sea: background report. Ekologiskt lantbruk, no. 41. Sveriges lantbruksuniversitet , Centrum för uthålligt lantbruk.

Graß, Rüdiger; Schüler, Christian and Urbatzka, Peer (2004) Die Wiederentdeckung der Wintererbse. [The rediscovery of the winterpea.] Bioland (4), p. 12.

Grasstek, W. Van (2004) Biologisch-dynamisch imkeren anno 2004. Bijen : maandblad voor imkers, 2004, 13 (12), 347 - 349.

Griepentrog, Hans W. and Nørremark, Michael (2004) Seed mapping of sugar beet to guide weeding robots. Poster at: 6th Workshop of the EWRS Working Group 'Physical and Cultural Weed Control', Lillehammer, Norway, 8th March 2004.

Groot, S.P.C.; Groeneveld, R.; Birnbaum, Y.; Kruistum, G. Van; Versluis, H. and Swaaij, N. Van (2004) Geprimed zaad kan voordelen hebben voor biologische teelten : primen geeft meer zekerheid onder ongunstige omstandigheden. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (3), 20 - 21.

Groß, Dietmar (2004) Mit Bauern sind „20 Prozent Bio“ so nicht zu machen - Zur Situation und Perspektive des Ökolandbaus aus bäuerlicher Sicht. [This is not the way to achieve "20 percent organic" with the farmers - on the situation and perspective of organic agriculture from a peasant view.] In: AgrarBündnis, AG Land- und Regionalentwicklung, Universität Gesamthochschule Kassel (Ed.) Der kritische Agrarbericht 2004. ABL Verlag, Hamm, pp. 138-142.

Gruber, Harriet and Kachel, Kai-Uwe (2004) Entwicklung und Perspektiven des Ökologischen Landbaus in Mecklenburg-Vorpommern. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Gruber, Harriet and Thamm, Uwe (2004) Entwicklung der Grundnährstoffgehalte und des pH-Wertes im Boden nach 10-jähriger Bewirtschaftung nach den Richtlinien des ökologischen Landbaus. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Gruber, Harriet; Thamm, Uwe and Michel, Volker (2004) Einfluss der ökologischen Bewirtschaftung auf die Nitratstickstoffgehalte im Boden. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Grøva, Lise; Henriksen, Britt I.F.; Lind, Vibeke and Nyhammer, Kjartan (2004) Økologisk sauehold. [Organic sheep husbandry.] Norsk senter for økologisk landbruk (Norwegian Centre for Ecological Agriculture), NORSØK .

Grøva, Lise; Refsum, Torbjørn and David, Bruce (2004) Økologisk eggproduksjon. [Organic egg production.] Norsk senter for økologisk landbruk (Norwegian Centre of Ecological Agriculture), NORSØK .

Guijt, J. and Lammerts Van Bueren, E. (2004) Biologisch zaad en pootaardappelen in 2004 : de regels op een rijtje. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (1), 24 - 25.

H., Hoste; L., Gaillard and Y., Le Frileux (2004) Consequences of the regular distribution of sainfoin hay on gastrointestinal parasitism with nematodes and on milk production in a dairy goat flock. In: Small Ruminant Research (59), pp. 265-271.

H., Hoste; V., Paolini; C., Paraud and C., Chartier (2004) Gestion non chimique du parasitisme par les nématodes chez les petits ruminants. [Non chemical measures to control the nematode parasitism in small ruminants.] Bull GTV, Hors-série :Parasitologie des Ruminants Laitiers.

Haan, J. De (2004) Excursiegids nutriënten waterproof : PPO-agv Proefbedrijf Vredepeel. Praktijkonderzoek Plant & Omgeving, Lelystad, NL.

Haan, J. De (2004) Nutriënten waterproof. Praktijkonderzoek Plant & Omgeving, Lelystad, NL.

Haas, Edda (2004) Blick auf Freuden und Leiden in der Bioherde. [Swiss organic cattle breeding index ÖZW.] Bioaktuell (3/04), pp. 6-7.

Haas, Edda and Bapst, Beat (2004) Swiss organic dairy farmer survey: Which path for the organic cow in the future? In: Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) Organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality. Proceedings of the 2nd SAFO Workshop 25-27 March 2004, Witzenhausen, Germany. SAFO Sustaining Animal Health and Food Safety in Organic Farming. A European Commission funded Concerted Action Project, pp. 35-41.

Haas, Guido (2004) Stickstoffversorgung von Weisskohl, Silo- und Körnermais durch Winterzwischenfrucht-Leguminosen. Schriftenreihe Institut für Organischen Landbau - Universität Bonn. Verlag Dr. Koester, Berlin.

Haas, Guido; Brand, Heike and Puente de la Vega, Mireia (2004) Stickstoffversorgung der Zweitfrüchte Feldgemüse und Mais nach Winterzwischenfrucht-Leguminosen. [Nitrogen supply of vegetable and maize crops following winter green manure legumes.] Bundesanstalt für Landwirtschaft und Ernährung, Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Häberle, Annette; Pekrun, Carola; Claupein, Wilhelm; Prade, Christoph; Thierfelder, Christian and Stahr, Karl (2004) Untersuchungen zu den Auswirkungen im ersten und zweiten Folgejahr nach einer einmalig variierten Bodenbearbeitung auf Ertragsbildung, Verunkrautung und Nitratauswaschung unter ökologischen Produktionsbedingungen. [Studies of varied tillage in one year on yields, weeds and nitrate leaching in the two consecutive years in organic farming.] In: Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Günter Heimbach, Stuttgart, 16, pp. 69-70.

Halberg, Niels (2004) How may quality asurance systems in food chains include environmental aspects based on life cycle methodology? In: Halberg, Niels (Ed.) Life Cycle Assessment in the Agri-food sector, DIAS report, Animal Husbandry, no. 61, pp. 168-181.

Haldy, MBA Hanns-Michael (2004) Organic Food Subscription Schemes in Emerging Organic Markets: TEI-KEI, CSA and Box-Schemes. In: Proceedings of the 6th IFAOM-Asia Scientific Conference, Research Institute of Organic Agriculture, pp. 174-189.

Haldy, MBA Hanns-Michael (2004) Organic Food Subscription Schemes in Germany, Denmark, The Netherlands and The United Kingdom. Definitions and Patterns of Development in an International Context. Thesis, Klein Management Consulting, Darmstadt, Germany . ASTON BUSINESS SCHOOL / Birmingham / UK.

Hallmann, J.; Rau, F.; Paffrath, A. and Puffert, M. (2004) Entwicklung von Bekämpfungsstrategien für Meloidogyne halpa und Pratylenchus spp. im ökologischen Anbau von Möhren und Zwiebeln. In: Tagungsband Bundesprogramm Ökologischer Landbau - Aktuelle Projekte im Bereich Pflanzenschutz, Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE).

Hallmann, J. and Rau, F.M. (2004) Nachhaltige Wirkung von Ölrettich auf die Abundanzdynamik von Wurzelgallennematoden im ökologischen Landbau. In: Tagungsband Bundesprogramm Ökologischer Landbau - Aktuelle Projekte im Bereich Pflanzenschutz, Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE).

Hallmann, Johannes and Rau, Florian (2004) Nachhaltige Wirkung von Ölrettich auf die Abundanzdynamik von Wurzelgallennematoden im ökologischen Landbau. [Sustainable effect of fodder radish to the abundance dynamic of northern root-knot nematode Meloidogyne hapla in organic farming.] Biologische Bundesanstalt für Land- und Forstwirtschaft , Institut für Nematologie und Wirbeltierkunde.

Hamm, Ulrich (2004) Veröffentlichungen von Prof. Dr. Ulrich Hamm und Mitarbeitern/-innen. [Publications of Prof. Dr. Ulrich Hamm and staff.] . [Unpublished]

HANITRINIALA, Mr ANDRIANJAKA (2004) L'AGRICULTURE BIOLOGIQUE A MADAGASCAR DEPUIS 1960. [ORGANIC AGRICULTURE IN MADAGASCAR SINCE 1960.] Thesis, Laulanié Green University , Agriculture and rural development. . [Unpublished]

Hannukkala, A.; Lehtinen, A.; Avikainen, H. and Huhta, H. (2004) Management of potato late blight (Phytophthora infestans) in organic potato production. Paper at: The International school-conference plant cultivation in the European North, Petroskoi, November 24-26, 2004.

Hannukkala, Asko; Lehtinen, Ari and Lindqvist, Bengt (2004) Kontroll av potatisbladmögel inom ekologisk produktion. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Hannula, Annamari; Thomsson, Olof and Rauma, Anna-Liisa (2004) Local and ecological food consumption - case studies in Finland and Sweden. In: Food consumption behaviour, Nordic Association of Agricultural Scientists, pp. 43-44.

Hansen, E.M.; Eriksen, J. and Vinther, F.P. (2004) Øget udnyttelse af kvælstof efter ompløjning af afgræsset kløvergræs. Grøn Viden, Markbrug, November 2004.

Hansen, Elly M.; Thomsen, Ingrid K. and Hansen, Martin N. (2004) Optimising farmyard manure utilization by varying the application time and tillage strategy. Soil Use and Management, 20, pp. 173-177.

Hansen, H.B.; Møller, B.; Andersen, S.B.; Jørgensen, J.R. and Hansen, Å. (2004) Grain Characteristics, Chemical Composition, and Functional Properties of Rye (Secale cereale L.) As Influenced by Genotype and Harvest Year. Journal of Agricultural and Food Chemistry, 52 (8), pp. 2282-2291.

Hansen, L.; Noe, E. and Højring, K. (2004) Økologisk jordbrug kan profilere sig gennem landskabs- og naturkvalitet. FØJOenyt (4).

Hansen, L.; Noe, E. and Højring, K. (2004) Landscape and nature quality in the development and profiling of organic farming. DARCOFenews, 4.

Hansen, L.; Noe, E.; Langer, V.; Ejrnæs, R.; Tybirk, K. and Bruus Pedersen, M. (2004) Landmænds opfattelser af natur og aktuel naturkvalitet på bedriften. Cross cutting rapport for CC3. Working paper. [Unpublished]

Hansen, Lars Gårn (2004) Organic Food Demand– evidence from a Danish micro panel. American Journal of Agricultural Economics. [Unpublished]

Hansen, Lars Monrad and Boelt, Birte (2004) Organic clover seed production: Does intercropping with plant species with at strong scent distract the clover seed weevil and increase seed yield? In: Lammerts van Bueren, Edith; Ranganathan, Radha and Sorensen, Neil (Eds.) Proceedings of the First World Conference on Organic Seed: Challenges and Opportunities for Organic Agriculture and the Seed Industry, p. 180.

Hansen, Lars Monrad and Boelt, Birte (2004) Sen afpudsning begrænser angreb af kløversnudebiller. FØJOenyt (3).

Hansen, Lene (2004) What is the Working Environment like on Organic Farms? Working paper. [Completed]

Hansen, Martin N. (2004) Heterogeneity inside heaps of composting livestock manure and its influence on emission loss of greenhouse gases and ammonia. In: Achim, Weiske (Ed.) Greenhouse gas emissions from agriculture - Mitigation options and strategies, pp. 250-251.

Hansen, Martin N. (2004) Influence of storage of deep litter manure on ammonia loss and uniformity of mass and nutrient distribution following land spreading. Biosystems Engineering, 87 (1), pp. 99-107.

Hansen, Martin N.; Birkmose, Torkild; Mortensen, Børge and Skaaning, Kent (editor): Correll, Anders (Ed.) (2004) Miljøeffekter af bioforgasning og separering af gylle - indflydelse på lugt, ammoniakfordampning og kvælstofudnyttelse. [Environmental effects of anaerobic digestion and separation of slurry - odour, ammonia emission and nitrogen utilisation.] Grøn Viden, Markbrug, no. 296. Danish Institute of Agricultural Sciences , Dep. of Agricultural Engineering.

Hansen, Preben Klarskov (2004) Beregning af konkurrenceindeks i vinterhvede og vårbyg (KI). [Calculation of competitive index for winter wheat and spring barley.] Danmarks JordbrugsForskning og Dansk Landbrugsrådgivning, Landscentret, Planteavl .

Hansen, Preben Klarskov (2004) Important values in the PhD-project "Crop-Weed interaction determined by sensor techniques (COMSENS)" and the project "Characteristics of spring barley varieties for organic farming (BAR-OF)". Danisk institute og Agricultural Sciences , Department for Crop Protection.

Hansen, Preben Klarskov; Kristensen, Kristian and Rasmussen, Ilse A. (2004) Forsøgsbeskrivelse af specialforsøg BAR-OF WP2 2004. Danmarks JordbrugsForskning , Afdeling for Plantebeskyttelse.

Hansen, Preben Klarskov; Rasmussen, Ilse A.; Kristensen, Kristian and Willas, Jakob (2004) Forslag til forsøgsdesign for WP1 2004 og 2005 på Forskningscenter Flakkebjerg. [Proporsal of experimental desing for WP1 in 2004 and 2005 at Research Centre Flakkebjerg.] Danmarks JordbrugsForskning , Afdeling for Plantebeskyttelse.

Häring, Anna; Dabbert, Stephan; Aurbacher, Joachim; Bichler, Barbara; Eichert, Christian; Gambelli, Danilo; Lampkin, Nicolas; Offermann, Frank; Olmos, Santiago; Tuson, Jon and Zanoli, Raffaele (2004) Organic farming and measures for European agricultural policy. Organic Farming in Europe: Economics and Policy, no. Vol. 11. Universität Hohenheim.

Harms, Wiebke (2004) Sind ökologisch angebaute Lebensmittel gesünder? [The quality of organic food.] Gentechnik-Nachrichten Spezial (16).

Hartung, E.; Ollesch, K.; Häußermann, A.; Rieger, M.A.; Diefenbach, H.; Sundrum, A.; Ebke, M. and Lohmeyer, M. (2004) Stallluftqualität und Arbeitsplatzbelastungen in unterschiedlichen Mastschweinehaltungsverfahren. Agrartechnische Forschung, 10 (4), pp. 47-53.

Hartung, E.; Ollesch, K.; Häussermann, A.; Rieger, M.A.; Diefenbach, H.; Sundrum, A.; Ebke, M. and Lohmeyer, M. (2004) Airborne biological hazards and dust in fattening pig facilities with and without straw. In: Proceedings of the AgEng 2004 Conference "Engineering the Future".

Hartung, E.; Ollesch, K.; Häussermann, A.; Rieger, M.A.; Diefenbach, H.; Sundrum, A.; Ebke, M. and Lohmeyer, M. (2004) Indoor Air Quality and Biological Impacts on the Workplace in Housing Systems for Fattening pigs. Landtechnik, 59 (10), pp. 220-221.

Häseli, Andreas (2004) Four years of experience with the control of plum rust in organic production. [Vierjährige Versuchserfahrungen zur Regulierung des Zwetschgenrostes.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 115-121.

Häseli, Andreas (2004) Vierjährige Versuchserfahrungen zur Regulierung des Zwetschgenrostes. [Four years of experience with the control of plum rust in organic production.] In: 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany., Fördergemeinschaft Ökologischer Obstbau e.V, pp. 115-121.

Häseli, Andreas and Weibel, Franco (2004) Disease control in organic cherry production with new products and early plastic cover of the trees. [Krankheitsregulierung im biologischen Kirschenanbau mit neuen Produkten und einer frühzeitigen, vor der Blüte installierten Überdachung.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 122-130.

Häseli, Andreas and Weibel, Franco (2004) Krankheitsregulierung im biologischen Kirschenanbau mit neuen Produkten und einer frühzeitigen, vor der Blüte installierten Überdachung. [Disease control in organic cherry production with new products and early plas-tic cover of the trees.] In: 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany. D-Weinsberg., Fördergemeinschaft Ökologischer Obstbau e.V., pp. 122-130.

Häseli, Andreas and Zingg, Daniel (2004) Wirkung des Quassiapräparates "Quassan" gegen die Sägewespe. [Effect of Quassan, a Quassai product, against Sawflies (Hoplocampa testudinea).] Paper at: 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg, Deutschland, 03.-05.02.2004.

Hassink, J. and Oomen, E. (2004) Zorglandbouw heeft toekomst : toenemende erkenning voor de waarde van het werken met planten en dieren : 'verbreding landbouw' (5). Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (7/8), 20 - 22.

Hatcher, Scientist Paul and Melander, Scientist Bo (2004) Combining physical and cultural weed control with biological methods – prospects for integrated non-chemical weed management strategies. In: Proceedings of the 6th EWRS on Physical and Cultural Weed Control, p. 30.

Hauggaard-Nielsen, Henrik (2004) Blandingsforhold ved samdyrkning af hvede og ærter. [Proportion of pea and wheat when intercropped.] Speech at: Produktion af kvalitetshvede ved samdyrkning med bælgsæd, Økologiens Hus, Århus, Denmark, 29 January.

Hauggaard-Nielsen, Henrik and Jensen, Erik Steen (2004) Intercropping strategies for Europe. Speech at: 5th European Conference on grain legumes: Legumes for the benefit of agriculture, nutrition and the environment, Palais de Congrès, Dijon, France, 7 -11 June 2004.

Hauggaard-Nielsen, Henrik; Jensen, Erik Steen; Aveline, Anne and Crozat, Yves (2004) Grain legumes and nitrate leaching: significance and prevention. Speech at: Legumes for the benefit of agriculture, nutrition and the environment, Palais de Congrès, Dijon, France, 7 -11 June 2004.

Hauggaard-Nielsen, Henrik; Kinane, Julie; Trydeman Knudsen, Marie and Jensen, Erik Steen (2004) Intercropping and sustainability. Speech at: ERA Farming Seminar 2004, Videolink conference, Risø, Denmark, 26 February 2004.

Hauggaard-Nielsen, Henrik and Jensen, Erik Steen (2004) Weed management in grain legumes using an intercropping approach. In: 8th ESA congress. Book of Proceedings, pp. 605-606.

Haward, Rob and Green, Michael (2004) Improving market intelligence for organic horticulture in Wales. Organic Centre Wales, University of Wales, Aberystwyth and Producer Services, Soil Association, Bristol .

Heeres, E.; Eekeren, N. Van and Dekker, S. (2004) Goed gras voor grazende geiten : optimalisatie van weidegang bij biologische melkgeiten. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (1), 22 - 23.

Heeres, E. and Prins, U. (2004) Gras-erwten of gerst-erwten. Louis Bolk Instituut, Driebergen, NL.

Hegelund, L. (2004) What is welfare? And a Welfare Assessment System. Speech at: Nordic Poultry Consultant and Veterinary Conference., Nokia, Finland., 26-28 November, 2004..

Hegelund, L.; Sørensen, J.T.; Horsted, K. and Hermansen, J.E. (2004) Velfærdsvurderingsrapporter, økologisk ægproduktion. Rapport fra afdelingen for Husdyrsundhed og Velfærd. DIAS .

Heinonen, Sampsa (2004) Opportunities for the development of organic data collection and processing based on Finnish experiences. Paper at: Development of a European information system for organic markets - improving the scope and quality of statistical data : 1st EISfOM European seminar, Berlin, Germany, 26-27 April, 2004.

Hempfling, Gabriele (2004) Presentation von Bio-Produkten im LEH- Vorstellung von Best-Practice-Beisielen. [Presentation of Organic Products in Supermarkets - Examples of Best Practice.] Speech at: Biofach 2004; BioFach Kongress, Veranstaltung Präsentation von Bioprodukten im LEH – Vorstellung von Best Practice Beispielen, Nürnberg, Messe, 21.2.2004.

Hempfling, Gabriele (2004) Presentation von Bio-Produkten: Mit gezielten Maßnahmen den Absatz erhöhen. Ökologie & Landbau, 131 (3/2004), pp. 33-35.

Hempfling, Gabriele and Richter, Toralf (2004) Bioprodukte im LEH. Tipps für erfolgreiches Verkaufen. [Organic food in the retail sale. Hints for successful markting.] BLE-Broschüre. Geschäftsstelle Bundesprogramm Ökologischer Landbau in der Bundesanstalt für Landwirtschaft und Ernährung .

Hendriks, K.; Stobbelaar, D.J.; Fruithof, F. and Tress, B. (2004) Biologische producten met een gezicht : mogelijkheden voor regionale biologische productie om klanten te binden door herkenbaarheid. Alterra, Wageningen , NL.

Hendriks, R. (2004) Demeter-normen in de praktijk: mestkwaliteit. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (6), 18 - 19.

Hendriks, R. (2004) Gentech is meer dan het overzetten van een gen. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (2), 16 - 18.

Hendriks, R. (2004) ritmische kracht van water. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (6), 22 - 25.

Henriksen, Britt I. F. (2004) Development of an advisory system that supports good animal welfare in organic production in Norway. In: Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) Proceedings of the 2nd SAFO Workshop, University of Reading, pp. 177-182.

Henriksen, Christian Bugge; Mølgaard, Jens Peter and Rasmussen, Jesper (2004) The effect of autumn ridging and inter-row subsoiling on potato tuber yield and quality. Working paper. [Completed]

Henriksen, Christian Bugge; Rasmussen, Jesper; Jørgensen, Martin Heide and Thomsen, Henning Carlo (2004) Majs på kamme viser lovende merudbytte. FØJOenyt.

Henriksen, Christian Bugge (2004) Dybe jordløsninger i kartofler. Økologisk Jordbrug, August 2004, 24 (317), p. 6.

Hermanowski, Robert (2004) Grüne Gentechnik - Wenn aus der Koexistenz die Kontamination wird. [Genetic engineering in agriculture - when coexistence turns into contamination.] Ökologie & Landbau, 129 (1/2004), pp. 41-43.

Hermanowski, Robert and Meier, Julia (2004) oekolandbau.de - Das Zentrale Informationsportal für den ökologischen Landbau. [oekolandbau.de - The central information portal for organic farming.] Speech at: Statusseminar - Ressortforschung für den ökologischen Landbau 2004, Kleinmachnow, 05.03.2004.

Hermansen, John E. and Horsted, Klaus (2004) Organic poultry farming. In: Incoglu, Serife (Ed.) Tebligler, Izmir Regional Chamber of Veterinary Medicine, pp. 271-284.

Hermansen, John E. and Kristensen, Troels (2004) Integrated forage and livestock production. In: Hopkins, Alan (Ed.) Organic Farming: Science and Practice for Profitable Livestock and Cropping, The British Grassland Society (37), pp. 61-72.

Hermansen, John E.; Strudsholm, Karin and Horsted, Klaus (2004) Integration of organic animal production intor land use with special reference to swine and poultry. Livestock Production Science, 90, pp. 11-26.

Hertzberg, Hubertus; Figi, Rolf; Noto, Fabio and Heckendorn, Felix (2004) Control of gastrointestinal nematodes in organic beef cattle through grazing management. In: Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) Organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality. Proceedings of the 2nd SAFO Workshop 25-27 March 2004, Witzenhausen, Germany. SAFO Sustaining Animal Health and Food Safety in Organic Farming. A European Commission funded Concerted Action Project, pp. 129-135.

Heß, J.; Meier-Ploeger, A. and Hamm, U. (Hrsg.) (2004) GemüseSelbstErnte: Weiterentwicklung und Transfer sowie Ermittlung des Beitrags zur Gesundheitsförderung. [Self-Harvesting of Vegetables. Further development and transfer of the concept and evaluation of its contribution to health promotion.] Fachbereich Ökologische Agrarwissenschaften, Universität Kassel , Fachgebiete Ökologischer Land- und Pflanzenbau, Ökologische Lebensmittelqualität und Ernährungskultur, Agrar- und Lebensmittelmarketing.

Heyden, Bertold (2004) Erfolgreiche Weizenzüchtung im biologisch-dynamischen Landbau. Lebendige Erde (4/2004), pp. 44-47.

Hietaniemi, Veli; Kontturi, Markku; Rämö, Sari; Eurola, Merja; Kangas, Arjo; Niskanen, Markku and Saastamoinen, Marketta (2004) Contents of trichothecenes in oats during official variety, organic cultivation and nitrogen fertilization trials in Finland. Agricultural and Food Science, 13 (1-2), pp. 54-67.

Hirt, Helen (2004) Töten männlicher Legeküken Situationsanalyse Schweiz 2004. FiBL-Bericht. Forschungsinstitut für biologischen Landbau (FiBL) CH-Frick .

Hirt, Helen; Maurer, Veronika; Zeltner, Esther; Bapst, Beat and Gala, Max (2004) Freilandhaltung von Legehennen - Tiergerecht und nachhaltig. FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), Frick, Schweiz und Bio Ernte Austria, Wien/Linz, Oesterreich.

Hockenhull, John; Bengtsson, Marianne; Wulff, Ednar; Jørgensen, Hans J. Lyngs; Collinge, David B.; Pedersen, Hanne Lindhard; Nørgaard, Rikke; Larsen, Erik and Paaske, Klaus (2004) Midler til bekæmpelse af skurv i økologiske æbler. [Fungicides for control of apple scab in organic apples.] Forskningscenter for Økologisk Jordbrug .

Hodge, A; Gosling, Paul; Goodlass, G and Bending, Gary (2004) Arbuscular mycorrhizal fungi in organic systems. HRI Warwick .

Hoefsloot, B. (2004) Mycosphaerella: schoon starten het belangrijkst: voorkomen is beter dan genezen. Onder glas, 2004, 1 (10), 20 - 21.

Hogendonk, L.; Amsing, J.; Zoon, F.; Steenbergen, P. and Jongh, De M. (2004) Biologisch uitgangsmateriaal komkommer : eigenschappen en toepasbaarheid van de onderstam Sicyos angulatus. PPO Glastuinbouw, Naaldwijk, NL.

Hogendonk, L. and Steenbergen, P. (2004) Onderstammen voor biologisch geteelde groentegewassen : onderzoek op praktijkbedrijven bij komkommer, aubergine, tomaat en paprika. PPO Glastuinbouw, Naaldwijk, NL.

Hollins, Philip D.; Kettlewell, Peter S.; Peltonen-Sainio, Pirjo and Atkinson, Mark D. (2004) Relationships between climate and winter cereal grain quality in Finland and their potential for forecasting. Agricultural and Food Science, 13 (3), pp. 295-308.

Holma, Ulla (2004) Ekologiska hönornas välbefinnande. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Holma, Ulla; Hänninen, Marja-Liisa; Virtala, Anna-Maija and Valros, Anna (2004) Ekologiska hönornas välbefinnande och äggens livsmedelssäkerhet ska klarläggas i Finland. Forskningsnytt om økologisk landbruk i Norden (3), pp. 14-15.

Holopainen, Päivi; Airaksinen, Sanna; Heinonen-Tanski, Helvi and Heiskanen, Minna-Liisa (2004) Yields and quality of some vegetables and strawberries fertilized with composted horse or cattle manure. Poster at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Hooijdonk, van, Marijke (2004) Is organic food healthier? International research association FQH intensifies research. ÖKO-TEST BioFach-Messejournal 2004, pp. 66-67.

Hörning, B. and Knierim, U. (2004) Ökologische Geflügelhaltung - Status quo und Ausblick. Bioland (3), pp. 6-7.

Hörning, Bernhard; Trei, Gerriet and Simantke, Christel (2004) Ökologische Geflügelproduktion – Struktur, Entwicklung, Probleme, politischer Handlungsbedarf. [Organic poultry production in Germany: Structure, developments, problems, political need for action.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Horsted, K.; Henning, J.; Lindhard, H. and Pedersen, B. (2004) Kyllinger fra frugtplantager smager godt. Økologisk Jordbrug, April 2004, 24 (310), p. 10.

Hoste, R. (2004) Kostprijsberekening biologische varkensbedrijven 2004. Rapport / LEI. Domein 2, Bedrijfsontwikkeling en concurrentiepositie 2. LEI, Den Haag, NL.

Hötker, Hermann; Rahmann, Gerold and Jeromin, Knut (2004) Bedeutung der Winterstoppel und der Grünbrache auf Vögel der Agrarlandschaft – Untersuchungen auf ökologisch und konventionell bewirtschafteten Ackerflächen in Schleswig-Holstein auf schweren Ackerböden. [Importance of winter stubble fields and/or green vegetation for farmland related birds - Results of a survey on organic and conventional crop land of heavy soils in northern Germany.] Landbauforschung Völkenrode, 4 (54), pp. 251-260.

Hötker, Hermann; Rahmann, Gerold and Jeromin, Knut (2004) Positive Auswirkungen des Ökolandbaus auf Vögel der Agrarlandschaft – Untersuchungen in Schleswig-Holstein auf schweren Ackerböden. [Positive results of organic farming to protect ground nesting birds on arable land in northern Germany.] In: Naturschutz als Aufgabe des Ökologischen Landbaus, Bundesforschungsanstalt für Landwirtschaft (FAL), Sonderhefte der Landbauforschung Völkenrode, no. 272, pp. 43-60.

Huber, Karin and Kühne, Petra (2004) Frühstückscerealien: Neue und bekannte Getreideprodukte - Herstellung, Qualitätsveränderungen, Bio-Angebot. [breaktfast cereals: new and usual grain products - production, quality, organic breakfast cereals.] Arbeitskreis für Ernährungsforschung e.V. .

Hutchings, Nicholas J.; Petersen, Bjørn M.; Olesen, Jørgen E. and Berntsen, Jørgen (2004) Does modelling of spatial heterogeneity matter? Speech at: Joint meeting of COST Action 627, Ghent, Belgium, 3-4 May 2004.

Hutschemaekers, B.J.H.; Haan, M.H.A. De and Pinxterhuis, J.B. (2004) Economische gevolgen van de omschakeling naar een biologische bedrijfsvoering voor Aver Heino = Switching to organic farming: the economic repercussions for Aver Heino. PraktijkRapport / Animal Sciences Group, Praktijkonderzoek. Rundvee 45. Animal Sciences Group, Praktijkonderzoek, Wageningen, NL.

Høgh-Jensen, Henning; Loges, Ralf; Jensen, Erik Steen; Jørgensen, Finn V. and Vinther, Finn P. (2004) Empirical model for quantification of symbiotic nitrogen fixation in grass-clover mixtures. Agricultural Systems, 82, pp. 181-194.

Højgaard, Kenneth S. (2004) Mikrobiologiske og kemiske forandringer i rødkitost - fremstillet af råmælk og pasteuriseret mælk. [Microbiological and chemical changes in red-smeared soft cheese - prepared from raw and pasteurized milk.] Thesis, KVL , Department of Food Science. .

Højring, K. (2004) Æstetisk sansning og naturvidenskabelig naturforståelse - et eksplorativt eksperiment. [Aesthetic sensation and nature understandning in the natural sciences - an explorative experiment.] Arbejdsrapport Skov & Landskab, no. nr. 4-2004, publiceret, Urban and Rural Studies, Danish Centre for Forest, Landscape & Planning .

Højring, K.; Hansen, L. and Noe, E. (2004) Økologisk Jordbrug - Naturoplevelser, natursyn og Cross-compliance. FØJOenyt.

Højring, K.; Hansen, L. and Noe, E. (2004) Organic Farming - Nature Conceptions, Management and Cross Compliance. DARCOFenews (2).

Iepema, G. (2004) Fair trade, een eerlijke prijs voor een (h)eerlijk product. Louis Bolk Instituut, Driebergen, NL.

Iepema, G.L. and Baars, T. (2004) Externe hectaren : berekening van de hectaren buiten het bedrijf. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (4), p. 67.

IFOAM EU, Regional Group (2004) Future research priorities of Organic Agriculture. Policy paper of the IFOAM EU Group. International Federation of Organic Agriculture Movements - EU Regional Group .

Institut für Biologisch-Dynamische Forschung e.V., DE-Darmstadt (2004) Arbeitsbericht 2003. [Annual Report 2003.] Institut für Biologisch-Dynamische Forschung e.V., Darmstadt .

Institut für Biologisch-Dynamische Forschung e.V., DE-Darmstadt (2004) Jahresbericht 2004. [Annual Report 2004.] Institut für Biologisch-Dynamische Forschung e.V., Darmstadt .

ISOFAR, (International Society of Organic Agriculture Research) (2004) ISOFAR-Newsletter No. 2, May 2004. International Society of Organic Agriculture Research ISOFAR, Bonn, Germany .

J., Kienzle; J., Zimmer; K., Klopp; P., Maxin; K., Yamada; H., Bathon; C.P.W., Zebitz; P., Ternes and H., Vogt (2004) Control of the apple sawfly Hoplocampa testudinea Klug in organic fruit growing and possible side effects of control strategies on Aphelinus mali Haldeman and other beneficial insects. [Regulierung der Apfelsägewespe im Ökologischen Obstbau und Nebenwirkungen der Strategien auf die Blutlauszehrwespe.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 7-14.

Jaastad, Gunnhild; Knudsen, Geir K.; Kobro, Sverre; Bäckman, Anna-Carin; Witzgall, Peter and Bengtsson, Marie (2004) Attractive plant volatiles as a control method against apple fruit moth (Argyresthia conjugella Zell.)? In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 29-34.

Jackson, Andrew; Lampkin, Nicolas and Fowler, Sue (2004) Organic farm incomes in England and Wales 1999/00 and 2000/01. University of Wales Aberystwyth , Institute of Rural Sciences.

Jackson, Andrew; Lampkin, Nicolas and Fowler, Sue (2004) Organic farm incomes in England and Wales 2001/02. University of Wales Aberystwyth , Institute of Rural Sciences.

Jacobsen, O.H.; Vinther, F.P.; Schjønning, P.; Hansen, E.M. and Eriksen, J. (2004) Økologisk jordbrug til beskyttelse af grundvand. [Organic farming for protection of the ground water quality.] Speech at: Økologi-kongres 2004, Odense Kongrescenter, 16-17. November 2004.

Jager, J. (2004) Biologische melkveehouderij is voorsprong kwijt. Agri-monitor : actuele cijfers en feiten voor adviseurs in land- en tuinbouw : tweemaandelijkse uitgave van het DLO - Landbouw-Economisch Instituut LEI-DLO, 2004 (1), 1 - 2.

Jager, J. (2004) Tegenvallende opbrengsten biologische akkerbouw-groentebedrijven. Agri-monitor : actuele cijfers en feiten voor adviseurs in land- en tuinbouw : tweemaandelijkse uitgave van het DLO - Landbouw-Economisch Instituut LEI-DLO, 2004 (2), 1 - 2.

Jagers Op Akkerhuis, G.A.J.M.; Moraal, L.G.; Burgers, J.; Kats, R.J.M. Van; Lammertsma, D.R.; Dimmers, W.J.; Noordam, A.; Aukema, B.; Bianchi, F. and Wingerden, W. Van (2004) Biodiversiteit in het agrarisch landschap : manipulatie van populaties nuttige insecten. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (6), 20 - 22.

Jahn, Gabriele; Schramm, Matthias and Spiller, Prof. Dr. Achim (2004) Ökoverbände in der Identitätskrise? Eine clubtheoretische Analyse. [Organic Associations in identity crisis? A club theoretical analysis.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Jahn, Marga; Koch, Eckhard; Wächter, Rebecca and Waldow, Franziska (2004) Saatgutgesundheit im ökologischen Landbau – Schwerpunkt Weizensteinbrand (Tilletia caries). [Seed health in organic farming – main emphasis: common bunt (Tilletia caries) of wheat.] In: Gerold, Rahmann and Stefan, Kühne (Eds.) Ressortforschung für den ökologischen Landbau 2003, Senatsarbeitsgruppe Ökologischer Landbau, D-Trenthorst, D-Kleinmachnow. [Unpublished]

Janmaat, L. (2004) Bundelen in een versnipperde markt : een analyse. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (11), p. 33.

Janmaat, L. (2004) Coöperatie Nautilus verandert strategie : de zeilen bijzetten op woelige baren. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (11), p. 32.

Janmaat, L. (2004) De biologische opkweek maakt ons scherper. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Janmaat, L. (2004) Nieuwsbrief Biokas nummer 9 - november 2004. Nieuwsbrief / Biokas, 2004 (9), 1 - 4.

Janmaat, L. (2004) Omschakelen, wie durft? : Pioniersgeest is nodig! In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Janmaat, L. (2004) Wel of geen biologisch zaaizaad : Roep om duidelijke wetgeving. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Janmaat, L.; Amsing, J.; Messelink, G.; Bloemhard, C.; Postma, J. and Berkelmans, R. (2004) Nieuwe hoop voor biologische glastuinders? : onderzoek naar bestrijding of voorkoming van wortelknobbelaaltjes en pissebedden. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (2), 26 - 27.

Jansma, J.E.; Zuilichem, H. Van; Vogel, F.; Stokkers, R. and Balk-Theuws, L. (2004) Keten bio-bollen doorgelicht : onderzoek biologische teelt. BloembollenVisie, 2004 (33), 24 - 25.

Jansonius, Pieter Jans (2004) Fruit quality of Elstar en Santana in the Netherlands. [Fruchtqualität von Elstar und Santana in den Niederlanden.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, p. 173.

Jansonius, PieterJans; Zanen, Marleen and Bloksma, Joke (2004) Annual report 2003 LBI organic fruit growing research: including plans for 2004. Louis Bolk Instituut Publications, no. LF78. Louis Bolk Instituut , Fruit growing.

Jansson, Helena (2004) Development of semi-natural horse pastures in Ypäjä. In: Proceedings, Nordic Association of Agricultural Scientists, p. 15.

Jelkmann, Wilhelm (2004) Fire blight in different production systems in Germany and strategies to control the disease. [Der Feuerbrand in verschiedenen Anbausystemen in Deutschland und Strategien zur Bekämpfung der Krankheit.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 113-114.

Jelsma, L. and Kloeze, C. (2004) Effect van bedrijfsvoering op uiergezondheid in de biologische melkveehouderij. Masters thesis. . [Unpublished]

Jensen, A.N. (2004) Salmonellatyper i forsøg med økogrise. [Different salmonella types found in organic pig experiment.] Økologisk Jordbrug, December 2004 (327), p. 6.

Jensen, A.N. and Baggesen, D.L. (2004) Salmonella bakterier kan spredes blandt økologiske grise. [Salmonella can spread between organic outdoor pigs.] FØJOenyt (6).

Jensen, A.N. and Baggesen, D.L. (2004) Salmonella og Campylobacter i økologisk svineproduktion. [Salmonella and Campylobacter in organic pig production.] .

Jensen, A.N.; Lodal, J. and Baggesen, D.L. (2004) High diversity of salmonella serotypes found in an experiment with outdoor pigs. Wageningen Journal of Life Sciences, 52 (2), pp. 109-117.

Jensen, Anne Mette Dahl and Boelt, Birte (2004) Høj kvalitet af grønsagsfrø ved tunnelproduktion. FØJOenyt, 4.

Jensen, Annette Nygaard (2004) Risiko for salmonella ved økologisk griseproduktion. [Risk of salmonella in organic pig production.] Økologisk Jordbrug.

Jensen, Annette Nygaard and Baggesen, Dorte Lau (2004) Spread of salmonella in organic pigs. Newsletter from Danish Research Centre for Organic Farming (4).

Jensen, Birgit; Bødker, Lars; Larsen, John; Knudsen, Jens Chr. and Jørnsgaard, Bjarne (2004) Specificity of soil-borne pathogens on grain legumes. Poster at: 5th European Conference on grain legumes, Dijon, France, 7-11 June 2004. [Unpublished]

Jensen, Birgit; Jørnsgaard, Bjarne and Knudsen, Jens Chr. (2004) Sædskiftesygdomme i lupin, ærter og hestebønne. [Soilborne diseases in crop rotations with pea, lupin and faba bean.] MånedsMargasinet Mark, January 2004, 1, p. 61.

Jensen, E.S.; Hauggaard-Nielsen, H.; Aveline, A. and Crozat, Y. (2004) Grain legumes and nitrate leaching: significance and prevention. In: Proceedings of the 5th European Conference on grain legumes, AEP European asociation for grain legume research, pp. 63-64.

Jensen, Jakob Willas (2004) Økologisk sortsafprøvning af vårbyg. . Online at http://www.foejo.dk/enyt2/enyt/april04/afprovning.html.

Jensen, Jakob Willas (2004) Sortsforsøg 2004 - Korn, bælgsæd og olieplanter. In: Deneken, Gerhard and Pedersen, Jon Birger (Eds.) Sortsforsøg 2004 - Korn, bælgsæd og olieplanter. , p. 33.

Jensen, Jakob Willas and Deneken, Gerhard (2004) Results of yield trails with spring barley. . Online at http://www.planteinfo.dk/obsparceller/foj2004.html.

Jensen, Rikke K.; Rasmussen, Jesper and Melander, Bo (2004) Selectivity of weed harrowing in lupin. Weed Research, 44, pp. 245-253.

Jervell, A.M.; Borgen, S.O. and Flaten, O. (2004) From field to table? The marketing of organic products in Norway. Marketing Trends for Organic Food in the 21st Century. Series on Computers and Operations Research, Vol. 3, pp. 275-289.

Jong, P.F. De; Scholten, G.; Anbergen, R.H.N. and Heijne, B. (2004) Regenvastheid van zwavel. Praktijkonderzoek Plant & Omgeving, Fruit, Randwijk, NL.

Jorgensen, K.F.; Kjeldsen, A.M. and Strudsholm, F. (2004) Leverbylder hos økologiske slagtekøer - resultater fra en spørgeundersøgelse. [Liver abscesses in organic dairy cattle- results from a survey.] . Online at http://www.lr.dk/kvaeg/informationsserier/lk-meddelelser/1289.htm.

Jorgensen, K.F.; Kjeldsen, A.M. and Strudsholm, F. (2004) Leverbylder hos økologiske slagtekøer - sammenhæng med race, alder og andre forhold ved den enkelte ko. [Liver abscesses in organic dairy cattle- relation between breed, age and other individual cow data.] . Online at http://www.lr.dk/kvaeg/informationsserier/lk-meddelelser/1292.htm.

Jorgensen, K.F.; Larsen, S.B.; Andersen, H.R. and Vestergaard, M. (2004) Effect of starch level and roughage intake on animal perfomance, rumen wall characteristics and liver abscesses in intensively fed Frisian bulls. In: van der Honing, Ynze (Ed.) Book of abstracts of the 55th Anuual Meeting of the European Association for Animal Production, Wageningen Academic Publisher, The Netherlands (10), p. 112.

Jossi, Werner; Bruderer, Ruth; Valenta, Anna; Schweizer, Christian; Scherrer, Caroline; Keller, Siegfried and Dubois, David (2004) Einfluss der Bewirtschaftung auf die Nützlingsfauna. [The influence of three different farming systems on the epigeic arthropods.] Agrarforschung, 11 (3), pp. 98-103.

Jung, Kerstin (2004) Combined use of insect pathogenic fungi and nematodes against the onion thrips, Thrips tabaci, in the field. In: Elad, Yigal; Pertot, Ilaria and Enkegaard, Annie (Eds.) Proceedings of the Meeting “Management of Plant Diseases and Arthropod Pests by BCAs and Their Integration in Agricultural Systems. IOBC/wprs Bulletin, IOBC/WPRS, Vol. 27 (8), pp. 141-143.

Justesen, A.F.; Pinnschmidt, H.O. and Hansen, H.J. (2004) Molecular diagnostic methods can prevent unnecessary rejection of organic seed lots. DARCOFenews.

Jørgensen, Hans J. Lyngs; Bengtsson, Marianne; Wulff, Ednar and Hockenhull, John (2004) Bekæmpelse af æbleskurv ved brug af plantens egne forsvarsmekanismer. [Control of apple scab by use of the plants own defence mechanisms.] Nyhedsbrev fra Forskningscenter for Økologisk Jordbrug (3).

Jørgensen, Hans Jørgen Lyngs; Bengtsson, Marianne; Wulff, Ednar and Hockenhull, John (2004) Control of apple scab by the use of the plants own defence mechanisms. Newsletter from Danish Research Centre for Organic Farming (2).

Jørgensen, Henry and Lauridsen, Charlotte (2004) Nutrient composition and bioavailability of protein and energy in common fruits and vegetables prepared for human consumption. In: Challenges to food science and technology. Abstract collection, Food Congress 2004., Levnedsmiddelcentret, p. 135.

Jørgensen, Johannes Ravn (2004) Hvor stor forskel er der i kvaliteten på de dyrkede sorter - er nye sorter bedre end gamle? Speech at: Økologiske feltdage på Forskningscenter Flakkebjerg 2004, DJF, Forskningscenter Flakkebjerg, 15. juni – 17. juni 2004.

Jørgensen, Johannes Ravn (2004) Kvalitet, variation mellem sorter, marker og i marker. In: Månedsmagasinet Mark, 1, p. 16.

Jørgensen, Johannes Ravn (2004) Muligheder for dansk brødkorn af god kvalitet. Vision og virkelighed. In: Fog, Erik and et al. (Eds.) Vision og virkelighed - kongresbilag, pp. 163-164.

Jørgensen, K.F.; Kjeldsen, A.M. and Strudsholm, F. (2004) Leverbylder hos økologiske slagtekøer - sammenhæng til mælkeanalyser og andre besætningsdata. [Liver abscesses in organic dairy cattle- relation between milk data and other herd data.] . Online at http://www.lr.dk/kvaeg/informationsserier/lk-meddelelser/1290.htm.

Jørgensen, L.N.; Pinnschmidt, H.; Nielsen, B.J. and Nielsen, G.C. (2004) Bygbladplet, biologi og bekæmpelse. [Biology and control of Barley Net Blotch (Pyrenophora teres).] Grøn Viden Markbrug, no. 289. Danish Institute of Agricultural Sciences .

Jørgensen, M.H.; Kristensen, E.F.; Kristensen, J.K. and Melander, B. (2004) Thermal Band Heating for Intra-Row Weed Control. In: De Baerdemaaker, Josse (Ed.) AgEng 2004, Leuven, Belgium. Book of Abstracts, ISBN 90-76019-258. Paper on CD 287, 8 pp, Technological Institute, Belgium.

Jørgensen, M.H.; Kristensen, J.K.; Melander, B. and Kristensen, E.F. (2004) Thermal Band Heating for Intra-Row Weed Control. Not submitted. [Completed]

Jørgensen, Martin H. and Melander, Bo (2004) Stribedampning virker mod ukrudt. FØJOenyt (3).

Jørgensen, P.R.; Urup, J.; Helstrup, T.; Jensen, M.B.; Eiland, F. and Vinther, F.P. (2004) Transport and reduction of nitrate in clayey till underneath forest and arable land. Journal of Contaminant Hydrology, 73, pp. 207-226.

Jørnsgård, Bjarne (2004) Dyrkning af lupin. Podning af lupin hvor meget betyder det? Hvordan dyrkes hestebønne? [Growing lupins? Innoculation of lupins, how important is it? How to grow faba beans?] Speech at: Fremad med økologisk jordbrug, Kalø Landbrugsskole, 20-21 januar 2004.

Jørnsgård, Bjarne (2004) Valg af lupinsort ved samdyrkning med korn. [Ideotypes of lupins in mixture with barley.] Speech at: Møde i økologiens hus om samdyrkning, Økologiens Hus Århus, 29 januar 2004.

Kahle, Petra; Baum, Christel and Borchwardt, Monika (2004) Auswirkungen mehrjähriger ökologischer Bewirtschaftung auf ausgewählte Bodeneigenschaften, dargestellt am Beispiel des Versuchsfeldes Gülzow. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Kakriainen, Salla (2004) Juva, Finland - developing local food with common goals and projects. In: Seppänen, Laura (Ed.) Local and organic food and farming around the Baltic Sea. Ekologiskt lantbruk, no. 40. Sveriges lantbruksuniversitet , Centrum för uthålligt lantbruk, chapter II, pp. 27-44.

Kakriainen-Rouhiainen, S.; Väisänen, J.; Vanhala, P. and Lötjönen, T. (2004) Terminating ley with mid-summer bare fallow controls Elymus repens. In: Proceedings, European Weed Research Society, pp. 181-182.

Kakriainen-Rouhiainen, Sanna (2004) Mjölktisteln under kontroll. Paper at: "Uppdatera dina kunskaper inom ekologin": ekoseminar, S:t Michel, Finland, 28.7.2004.

Kaltoft, Pernille and Risgaard, Marie-Louise (2004) Has organic farming modernised itself out of business? An analysis of reverting organic farmers. Paper at: IRSA XI World Congress of Rural Sociology, Trondheim, Norway, July 25-30, 2004. [Unpublished]

Kaltoft, Pernille and Risgaard, Marie-Louise (2004) Notat til Det Økologiske Fødevareråd om økologiske landmænds tilbagelægning til konventionelt landbrug. National Environmental Research Institute , Policy Analysis. [Unpublished]

Karam, Karen Follador (2004) A mulher na agricultura orgânica e em novas ruralidades. [The Role of the Woman Farmer in the Emergency of New Ruralities.] Revista Estudos Feministas, 12 (1), pp. 303-320.

Karl, H.; Hilge, V.; Kroeger; Manthey-Karl, M.; Meyer, C.; Ostermeyer, U.; Lehmann, I. and Rehbein, H. (2004) Qualitätsvergleich von Regenbogenforellen aus konventioneller und ökologisch zertifizierter Aufzucht als Voraussetzung für eine Verbesserung der Wettbewerbsfähigkeit von Bioforellen. [Comparative quality of rainbow trout from conventional and ecologically certified farming.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Karl, H.; Rehbein, H.; Manthey-Karl, M.; Meyer, C.; Ostermeyer, U.; Lehmann, I.; Schubring, R.; Kroeger, M. and Hilge, V. (2004) Biofisch – Qualitätsvergleich zwischen konventionellen und ökologisch produzierten Forellen. [Comparative quality of rainbow trout from conventional and ecologically certified farming.] In: Rahmann, G. and Kühne, S. (Eds.) Ressortforschung für den ökologischen Landbau, Federal Agricultural Research Centre (FAL), D-Braunschweig (Sonderheft 273), pp. 55-67.

Karttunen, Janne (2004) Functional planning and occupational safety of milk production in cold loose housing barns. In: NJF Report, Nordic Association of Agricultural Scientists, pp. 117-124.

Kastelein, P.; Elderson, J. and Köhl, J. (2004) Zwarte vlekken in bewaarde peen : op zoek naar maatregelen ter voorkoming van dit probleem. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (2), 20 - 21.

Kauer, Prof.Dr. Randolf; Schmidt, M. and Berkelmann-Löhnertz, B. (2004) Phosphonatgehalte in Wein aus ökologischem Weinbau. [Phosphonates in wines from organic viticulture.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Kaukovirta-Norja, Anu; Wilhelmson, Annika and Poutanen, Kaisa (2004) Germination: a means to improve the functionality of oat. Agricultural and Food Science, 13 (1-2), pp. 100-112.

Kay, B.D. and Munkholm, L.J. (2004) Management-induced Soil Structure Degradation: Organic Matter Depletion and Tillage. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality: Challenges in Modern Agriculture. CABI Publishing, Wallingford, UK, chapter 11, pp. 185-197.

Keatinge, R (2004) Control of internal parasites in organic livestock without the use of pharmaceutical anthelminthics. ADAS Consulting Ltd , Redesdale.

Keatinge, R (2004) Optimising the production and utilisation of forage for organic livestock (CTE0202). ADAS Consulting Ltd , Redesdale.

Kelderer, Markus; Lardschneider, Ewald and Casera, Claudio (2004) Vinasse: an alternative to lime sulphur for flower thinning? [Vinasse: eine Alternative zum Schwefelkalk für die Blütenausdünnung?] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 163-168.

Kelderer, Markus; Lardschneider, Ewald and Marschall, Klaus (2004) Results from two years of sanitation measures to reduce apple scab in organic orchards. [Ergebnisse aus einem zweijährigen Versuch durch die Beseitigung des Falllaubes den Schorfbefall in Bioobstanlagen zu reduzieren.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, p. 86.

Kelderer, Markus; Matteazzi, Aldo and Casera, Claudio (2004) Residues of copper and sulphur on fruits from organic orchards. [Bestimmung der Schwefel- und Kupferrückstände an Früchten aus dem biologischen Obstbau.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 213-216.

Kelderer, Markus; Sgarbossa, Manuela; Schönweger, Gudrun; Elias, Ellen; Roland, Zelger; Santer, Johann and Stuppner, Hermann (2004) Ryania Speciosa: an insecticide for organic orchards? [Ryania Speciosa: ein Insektizid für den biologischen Obstbau?] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 25-28.

Kempenaar, C.; Bleeker, P.O.; Kurstjens, D.A.G.; Lamour, A.; Molema, G.J.; Groeneveld, R.M.W.; Riemens, M. and Weide, R.Y. Van Der (2004) Risico-beoordelingen onkruiden in biologische landbouw : rapportage over resultaten project Bio3 in 2003 en 2004. Nota / Plant Research International 326.. Plant Research International, Wageningen, NL.

Kempkens, Karl; Paffrath, Andreas and Frankenberg, Andrea (2004) Strategien zur Regulierung verschiedener Nematodenspezies im Ökologischen Feldgemüsebau. [Strategies to control different spezies of Nematodes in organical field vegetable farming.] Landwirtschaftskammer Nordrhein-Westfalen , Referat für Ökologischen Land- und Gartenbau.

Kengeter, Brigitte (2004) Die Bedeutung von Schafmilch für die menschliche Ernährung unter Berücksichtigung des Angebots auf dem Bio-Markt. Schriftenreihe des Arbeitskreises für Ernährungsforschung, no. 2. Arbeitskreis für Ernährungsforschung e.V. .

Kersbergen, M.C. and Leferink, J. (2004) Doelmatigheid beleid professionalisering biologische keten : ex-post evaluatie. Rapport / EC-LNV nr. 2004/322. Expertisecentrum LNV, Ede, NL.

Kersbergen, M.C. and Leferink, J. (2004) Evaluatie beleidsnota biologische landbouw 2001-2004. Rapport / EC-LNV nr. 2004/320. Expertisecentrum LNV, Ede, NL.

Kijlstra, Prof A; Meerburg, Dr BG and Mul, MSc MF (2004) Animal-friendly production systems may cause re-emergence of Toxoplasma gondii. NJAS - Wageningen Journal of Life Sciences, 52 (2), pp. 119-132.

Kijlstra, Aize; Eissen, Okke A.; Cornelissen, Jan; Munniksma, Klaske; Eijck, Ineke and Kortbeek, Titia (2004) Toxoplasma gondii Infection in Animal-Friendly Pig Production Systems. Investigative Ophthalmology and Visual Science, 45, pp. 3165-3169.

Kik, C. (2004) perspectieven voor het ontwikkelen van uien met een verbeterde associatie met gunstige bodemschimmels en de mogelijke effecten hiervan op ziektewerendheid. Plant Research International, Wageningen, NL.

Kilcher, Lukas; Huber, Beate and Schmid, Otto (2004) Standards and Regulations. In: Willer, Helga and Yussefi, Minou (Eds.) The World of Organic Agriculture. Statistics and Emerging Trends 2004. Forschungsinstitut für biologischen Landbau und Stiftung Ökologie & Landbau, pp. 27-43.

Kilcher, Lukas; Khanna, Ranjana; Huber, Beate; Richter, Toralf; Schmid, Otto and Staubli, Franziska (2004) The Organic Market in Switzerland and the EU - Overview and market access information for producers and international trading companies. FiBL Forschungsinstitut für biologischen Landbau, SIPPO Swiss Import Promotion Programme.

Kimmins, F.; Vaarst, M.; Ebong, C.; Halberg, N.; Hindhede, J.; Albright, K. and Ward, A. (2004) Technological options that respond to demands and market opportunities with focus on crops and livestock. Uganda J. Agric. Sci., 9 (1), pp. 855-870.

Kingma, J. (2004) Ter Discussie: Natuurvoeding en cultuurvoeding. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (5), 15 - 16.

Kivijärvi, P. (2004) The effect of different mulches on the growth and yield of organically grown strawberry. Paper at: The International school-conference plant cultivation in the European North, November 24-26, 2004.

Kivinen, Tapani (2004) Organic piggery models for Finnish climate. Forskningsnytt om økologisk landbruk i Norden (2), pp. 24-25.

Kivinen, Tapani (2004) Visions for buildings and systems for dairy production in Finland in year 2010. In: NJF Report, pp. 7-9.

Kjeldsen, A.M.; Jørgensen, K.F.; Mortensen, B.Ø.; Steffensen, M. and Pedersen, S.S. (2004) Slagtefund hos økologiske og konventionelle slagtekøer. [Veterinary registrations on organic and conventional slaughter cows.] . Online at http://www.lr.dk/kvaeg/informationsserier/lk-meddelelser/1303.htm.

Kjeldsen, Chris (2004) Modernitet, tid, rum og økologiske fødevarenetværk. [Modernity, time, space and organic food networks.] PhD thesis, Aalborg Universitet , Institut for Økonomi, Politik og Forvaltning. .

Kjellsson, Gösta (2004) Retningslinier for overvågning af GMP spredning til økologiske marker. In: Tools for protection against contamination by GMO. . [Unpublished]

Kledal, Paul Rye (2004) Fortid og fremtid for EU's landbrugspolitik. [Past and present for the European Common Agriculture policy.] SALT, August 2004, 13 (4), pp. 17-18.

Kledal, Paul Rye (2004) Naturens tid, landmandens tid og agrokapitalens cyklus. [Nature's time, the farmer's time and the time circuit of the agri-capital.] Økologisk Jordbrug, January 2004, p. 8.

Kledal, Paul Rye (2004) Resistance, globalization and "conventionalization". In: Book of abstracts.

Kledal, Paul Rye (2004) Strukturudvikling rammer økologer med forsinkelse. [The decline in farms are hitting the organic farmers with delay.] Økologisk Jordbrug, February 2004, p. 7.

Klein Swormink, B.W. and Krikke, A.T. (2004) Vernieuwing en verweving : onderzoeksprogramma systeeminnovaties geïntegreerde en biologische teelten. Praktijkonderzoek Plant en Omgeving, Wageningen, NL.

Klocke, Peter; Fidelak, Christian; Garbe, Sylvia; Rothe, Johanna; Paal, Kerstin; Spranger, Joerg and Merck, Carl-Christian (2004) Are homeopathics able to replace antibiotics in the therapy of bovine mastitis? A placebo controlled randomized double-blind trial. Poster at: World Buiatrics Congress, Quebec (Canada), 11.-16.7.2004. [Unpublished]

Kloosterman, R. (2004) De vis wordt duur betaald. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (5), 17 - 18.

Klopp, Karsten; Kruse, Petra; Maxin, Peter and Palm, Gerd (2004) Results in research on lime sulphur and other products to control apple scab under northern German climate conditions. [Versuchsergebnisse zum Einsatz von Schwefelkalkbrühe und anderen Produkten in der Bekämpfung des Apfelschorfes unter norddeutschen Klimabedingungen.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 96-100.

Klumpp, Carolin and Häring, Anna Maria (2004) Status Quo and barriers of the expansion of organic sheep husbandry in Germany. Paper at: 1st International Congress on Organic Animal Production and Food Safety, Kusadasi, Turkey, 28.4. - 1.5.2004. [Unpublished]

Knaap, J. Van Der (2004) Benutting van klavereiwit : eiwitrijk herfstgras drogen tot gras-klaverbrok kansrijk alternatief voor biologisch krachtvoer : special Klaver. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (16), 34 - 35.

Knaap, J. Van Der (2004) Speuren naar probleemloze koe : NRM-jurylid Erik Hansen: "Het zal nooit ouderwets worden om op uiers te fokken". Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (15), 26 - 27.

Knudsen, Marie Trydeman (2004) Økologisk jordbrugs rolle i globalisering, handel og bæredygtighed. [The role of organic agriculture within globalization, trade and sustainability.] Speech at: Økologi-Kongres 2004, Odense Congress Center, 16.-17. November 2004.

Knudsen, Marie Trydeman; Hauggaard-Nielsen, Henrik and Jensen, Erik Steen (2004) Cereal-grain legume intercropping in organic farming - a Danish survey. In: Jacobsen, Sven-Erik; Jensen, C. R. and Porter, J. R. (Eds.) VIII ESA Congress: Book of proceedings, The Royal Veterinary and Agricultural University, Dept. of Agricultural Sciences.

Knudsen, Marie Trydeman; Hauggaard-Nielsen, Henrik; Joernsgaard, Bjarne and Jensen, Erik Steen (2004) Comparison of interspecific competition and N use in pea–barley, faba bean–barley and lupin–barley intercrops grown at two temperate locations. Journal of Agricultural Science, 142 (6), pp. 617-627.

Koesling, Matthias; Ebbesvik, Martha; Lien, Gudbrand; Flaten, Ola; Valle, Paul Steinar and Arntzen, Halvard (2004) Risk and Risk Management in Organic and Conventional Cash Crop Farming in Norway. Acta Agriculturæ Scandinavica Section C - Food Economics, 1 (4), pp. 195-206.

Kofoet, Andreas and Fischer, Kirsa (2004) Regulierung Falscher Mehltau Pilze an Gemüsekulturen im ökologischen Landbau am Beispiel von Salat und Zwiebeln. [Strategies for the control of downy mildews in organic vegetable production.] Institut für Gemüse- und Zierpflanzenbau Großbeeren/Erfurt e.V. , Abteilung Pflanzengesundheit.

{Project} Regulierung Falscher Mehltau Pilze an Gemüsekulturen im ökologischen Landbau am Beispiel von Salat und Zwiebeln. [Strategies for the control of downy mildews in organic vegetable production.] Runs 2002 - 2004. Project Leader(s): Kofoet, Dr. , Institut für Gemüse- und Zierpflanzenbau Großbeeren/Erfurt e.V. .

Koikkalainen, Kauko (2004) Ekomjölkgårdarnas lönsamhet i Finland. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Kok, C.J. (2004) Bodemweerbaarheid en biologische bestrijding tegen Meloidogyne. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (5), 298 - 301.

Kok, E.J.; Smelt, A.J.; Colon, L.T.; Dolstra, O.; Vlieger, J.J. De; Verdonk, J.M.A.J. and Lokhorst, C. (2004) GGO-vrije diervoederketens : kennisscan 2004. Rapport / RIKILT 2004.009. RIKILT, Instituut voor Voedselveiligheid, Wageningen, NL.

Kolbe, Hartmut (2004) Beiträge der konventionellen und ökologischen Landwirtschaft zur Nachhaltigkeit. [Sustainability contributions of conventional and organic agriculture.] Working paper, Fachbereich Pflanzliche Erzeugung, Referat Pflanzenbau, Sächsische Landesanstalt für Landwirtschaft . [Unpublished]

Kolbe, Dr. Hartmut (2004) Wasserschutz und Ökologischer Landbau. [Water protection and organic farming.] Paper at: SIGÖL-Fortbildungskurs Ökologischer Landbau 29, Bad Düben, Freistaat Sachsen, 04.03.2004. [In Press]

Kolbe, Dr. Hartmut and Prutzer, Dipl. Ing. agr. Ina (2004) Überprüfung und Anpassung von Bilanzierungsmodellen für Humus an Hand von Langzeitversuchen des Ackerlandes. [Verification of humus balance methods using arable land long-term field trials.] Sächsische Landesanstalt für Landwirtschaft , Fachbereich Pflanzliche Erzeugung.

Koller, Martin (2004) Regulierung von Blatt-Alternaria (Alternaria dauci) bei Karotten. Forschungsinstitut für biologischen Landbau Frick .

Koller, Martin; Alföldi, Thomas; Siegrist, S. and Weibel, Franco (2004) A Comparison of Plant and Animal Based Fertiliser for the Production of Organic Vegetable Transplants. In: Nicola, S.; Nowak, J. and Vavrina, C.S. (Eds.) ISHS Acta Horticulturae 631: XXVI International Horticultural Congress: Issues and Advances in Transplant Production and Stand Establishment Research. International Society for Horticultural Sience (ISHS), Frick, pp. 209-215.

Koller, Martin and Lichtenhahn, Martin (2004) Stickstoffversorgung im Freiland-Gemüsebau. [Nitrogen supply in organic field vegetable production.] Der Gemüsebau/ Le Maraîcher (3), pp. 27-31.

Koller, Martin; Lichtenhahn, Martin and Thommen, Sandra (2004) Pflanzenschutzempfehlungen für den Gemüsebau - Salat, Kohlarten, Karotten, Sellerie, Zwiebeln, Lauch, Buschbohnen, Randen, Spinat, Gurken, Tomaten. [Crop protection recommendations for organic vegetable production: lettuce, cabbage, carrots, celeriac, onions, french beans, beetroot, spinach, cucumbers, tomatoes.] FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.

Koller, Martin and Schärer, Hans-Jakob (2004) Alternaria-Regulierung in Biokarotten: 2004. [Alternaria regulation of biocarotts: 2004.] Forschungsinstitut für biologischen Landbau (FiBL), Frick , Fachgruppe Pflanzenschutz: Pflanzenkrankheiten.

Koller, Martin; Stüssi, Samuel and Lichtenhahn, Martin (2004) Der Kampf gegen Trauermücken im Bioanbau ist nicht aussichtslos! [En culture biologique, le combat contre les sciarides n’est pas sans espoir!] Der Gemüsebau/ Le Maraîcher (Nr. 10), pp. 4-6.

Koller, Martin and Vieweger, Anja (2004) Sortenversuche im Biogemüsebau 2003. [Variety Trials in Organic Vegetable Production 2003.] Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick , Anbautechnik Einjährige Kulturen.

Koller, Martin and Vieweger, Anja (2004) Tomatensorten für die Direktvermarktung. [Variétés de tomates pour la vente directe.] Der Gemüsebau/ Le Maraîcher (Nr.: 12), pp. 10-12.

Koller, Martin (2004) Trauermücken. FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Kommers, M. and Braker, M. (2004) Nieuwsbrief nummer 1. Nieuwsbrief nieuwe veehouderij in het veenweidegebied / Praktijkonderzoek van de Animal Sciences Group, 2004, 1 (1), 1 - 2.

Kommers, M. and Braker, M. (2004) Nieuwsbrief nummer 2. Nieuwsbrief nieuwe veehouderij in het veenweidegebied / Praktijkonderzoek van de Animal Sciences Group, 2004, 1 (2), 1 - 2.

Kompetenzzentrum Ökolandbau, Niedersachsen (Hrsg.) (2004) Versuche im ökologischen Gemüsebau in Niedersachsen 2003 - Ergebnisse, Analysen, Empfehlungen. [Experiments in organic vegetable production in Lower Saxony in 2003.] .

Koomans Van Den Dries, M. (2004) Warmonderhof bouwt aan de toekomst. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (5), 8 - 9.

Kopp, Barbara (2004) Examinations to date the exactly time of Infections of Sooty Blootch in 2003 in the region Bodensee. [Erste Ansätze zur Ermittlung der exakten Infektionstermine bei der Rußfleckenkrankheit.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 73-74.

Kopp, Barbara (2004) Reduction of the ascospore potential by calcium. [Reduzierung des Ascopsorenpotentials durch Löschkalkbehandlung des Fallaubs- ein Tastversuch.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 85-86.

Kopp, Barbara and Ruess, Franz (2004) Control of Grapholitha lobarzewskii in the region Bodensee. [Ergebnisse zum Ringversuch „Bekämpfung des Kleinen Fruchtwicklers mittels Verwirrung“ am Bodensee.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 23-24.

Köppler, Kirsten; Peters, Arne and Vogt, Heidrun (2004) Basic results in biological control of the European Cherry Fruit Fly Rhagoletis cerasi L. (Diptera: Tephritidae) with entomopathogenic nematodes. [Erste Ergebnisse zur biologischen Bekämpfung der Kirschfruchtfliege Rhagoletis cerasi (Diptera: Tephritidae) mit entomopathogenen Nematoden.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 48-54.

Korthals, G.W; Visser, J.H.M. and Molendijk, L.P.G. (2004) Verbetering van bodemweerstand door middel van biotische en abiotische teeltmaatregelen themanummer toekomst biologische bestrijding. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (1), 6 - 8.

Kranenborg, K.G. and Vries, S.M.G. De (2004) gebruik van biologisch versus traditioneel geteeld bosplantsoen in de praktijk. Vakblad natuur bos landschap / Stichting Vakblad Natuur Bos Landschap, 2004, 1 (6), p. 23.

Kratochvil, R. (2004) Beiträge von Bioregionen zur nachhaltigen Regionalentwicklung. In: A., Kullmann (Ed.) Berichte zur IfLSTagung. Ökologischer Landbau und nachhaltige Regionalentwicklung. Strategien, Erfolge, Probleme, Handlungs- und Forschungsbedarf., 66 -78.

Kratochvil, R.; Kaliski, O.; Dorninger, M.; Hambrusch, J. and Freyer, B. (2004) Betriebs- und volkswirtschaftliche Effekte einer großflächigen Bewirtschaftung nach den Prinzipien des Ökologischen Landbaus II - dargestellt am Beispiel von Veredelungsbetrieben in der Region Mostviertel-Eisenwurzen (NÖ). [Farm management and economic effects of organic intensive livestock farming in the region Mostviertel-Eisenwurzen (A).] Berichte über Landwirtschaft, 82 (1), pp. 101-129.

Kratochvil, R.; Kaltenecker, M. and Freyer, B. (2004) The ability of organic farming to nourish the Austrian people: an empirical study in the region Mostviertel-Eisenwurzen (A). Renewable Agriculture and Food Systems, pp. 47-56.

Kratochvil, Dr. Ruth (2004) Regionale Herkunft als Bonus. Ernte - Zeitschrift für Landwirtschaft und Ökologie (6), pp. 34-35.

Kratochvil, Dr. Ruth and Dekker, Sanne (2004) Der ökologische Fußabdruck: biologische Mutterkuh- und konventionelle Mastrinderhaltung im Vergleich. Ländlicher Raum (1), pp. 28-29.

Krause, Tanja; Haase, Thorsten; Böhm, Herwart; Heß, Jürgen; Loges, Ralf and Haase, Norbert U. (2004) Einfluss von Standort und Sorte auf Ertrag, Sortierung und Qualität von ökologisch erzeugten Kartoffeln für die Verarbeitung zu Pommes frites. [Effect of site and variety on yield, grading and quality of organically grown potatoes for processing to chips.] In: Kauter, D.; Kämpf, A.; Claupein, W. and Diepenbrock, W. (Eds.) Effizienter Pflanzenbau für Nahrung und Rohstoffe im 21. Jahrhundert, Verlag Günter Heimbach, 16, Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, pp. 141-142.

Kreuzwieser, Andreas and Kelderer, Markus (2004) A comparison between organic and integrated apple production: First results after 5 years of observation. [Biologischer und integrierter Apfelanbau im Vergleich: Eine Zwischenbilanz nach 5 Standjahren.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 227-234.

Krimpen, M. Van and Jongbloed, A. (2004) Regionaal geteelde eiwitrijke grondstoffen in voeders voor biologisch gehouden gespeende biggen. Praktijkkompas. Varkens, 2004, 18 (4), 12 - 13.

Krimpen, M.M. and Peet-Schwering, C.M.C. Van Der (2004) Energie- en eiwitbehoefte van biologisch gehouden vleesvarkens = Energy and protein requirement of organic growing-finishing pigs. PraktijkRapport / Animal Sciences Group. Varkens 34. Animal Sciences Group, Wageningen, NL, , UR.

Krimpen, M.M. Van and Binnendijk, G.P. (2004) Effect van voerstrategie op slachtresultaten van biologische vleesvarkensbedrijven. Animal Sciences Group Wageningen UR, Wageningen, NL.

Krimpen, M.M. Van; Plagge, J.G. and Binnendijk, G.P. (2004) Erwten in voeders voor biologisch gehouden gespeende biggen = Peas in diets of organic weanling pigs. PraktijkRapport / Animal Sciences Group, Praktijkonderzoek. Varkens 32. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Krimpen, M.M. Van; Plagge, J.G. and Binnendijk, G.P. (2004) Gefermenteerde grondstoffen in voeders voor biologisch gehouden gespeende biggen = Fermented raw materials in diets of organic weanling piglets. PraktijkRapport / Animal Sciences Group. Varkens 33. Animal Sciences Group, Lelystad, NL, , UR.

Kristensen, Erik Fløjgaard (2004) Tørring og rensning af korn. [Drying and cleaning of grain.] MånedsMagasinet Mark, January 2004 (1), p. 66.

Kristensen, Erik Steen and Knudsen, Marie Trydemann (2004) Impact of Organic farming on aquatic environment. Speech at: Lednice, Lednice, 1st July 2004.

Kristensen, Niels Heine (2004) Sustainable friendly processing. Working paper. [Unpublished]

Kristensen, Hanne L. and Thorup-Kristensen, Kristian (2004) Root growth and nitrate uptake of three different catch crops in deep soil layers. Soil Science Society of America Journal, 68, pp. 529-537.

Kristensen, Hanne L. and Thorup-Kristensen, Kristian (2004) Uptake of 15N labeled nitrate by root systems of sweet corn, carrot and white cabbage from 0.2-2.5 meters depth. Plant and Soil, 265, pp. 93-100.

Kröckel, L.; Albert, T.; Düthorn, T. and Gareis, M. (2004) Mikrobiologische Qualität von Fleischerzeugnissen aus ökologischer Produktion. [Microbiological Quality of Organically Produced Meat Products.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Kromka, Franz; Doluschitz, Reiner; Rückert-John, Jana; Hugger, Christine and Bansbach, Pamela (2004) Der Einsatz von Öko-Produkten in der Außer-Haus-Verpflegung (AHV): Status Quo, Hemmnisse und Erfolgsfaktoren, Entwicklungschancen sowie politischer Handlungsbedarf. [Use of organic food products by food supply services: status quo, difficulties and success factors, opportunities for development and need for political action.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Kuchtová, Perla; Mičák, Libor and Škeřík, Josef (2004) Možnosti ekologického pěstování řepky. [Possibilities of ecological growing of oilseed rape.] In: 21. vyhodnocovací seminář SVŘ SVS, 2004 (1).

Kühn, Birka Falk (2004) Susceptibility to Apple Scab, Nectria Cancer and Powdery Mildew of Different Unsprayed Apple Varieties. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 221-226.

Kuhnert, Heike and Nieberg, Hiltrud (2004) Protokoll der Anhörung zum Aktionsprogramm Ökolandbau 4.-5. September 2001 in der FAL (Überarbeitete und strukturierte Fassung Nov. 2004). Arbeitsberichte des Bereichs Agrarökonomie, no. 04/2004. Institut für Betriebswirtschaft der Bundesforschungsanstalt für Landwirtschaft (FAL) .

Kujala, Jouni (2004) Marknadssituationen för ekologiska produkter och produktpriset i Norden. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Kunz, S.; von Eitzen-Ritter, M.; Schmitt, A. and Haug, P. (2004) Feuerbrandbekämpfung im ökologischen Obstbau - Ergebnisse der Bekämpfungsversuche 2004. Öko-Obstbau (4), pp. 2-7.

Kunz, Stefan (2004) Development of "Blossom-Protect" - a yeast preparation for the reduction of blossom infections by fire blight. [Entwicklung von "Blossom-Protect"- ein Hefepräparat zur Reduktion von Blüteninfektionen durch Feuerbrand.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 108-112.

Kuusela, Eeva (2004) Annual and seasonal changes in production and composition of grazed clover-grass mixtures in organic farming. Agricultural and Food Science , 13 (3), pp. 309-325.

Laignel, Gabriel and Benoit, Marc (2004) Production de viande ovine en agriculture biologique comparée à l'élevage conventionnel : résultats technico-économiques d'exploitations de plaine et de montagne du nord du Massif central. [Ovine meat production in organic farming as compared to conventional breeding : technico-economic results from farms on north of the Massif central (France).] Productions animales, pp. 133-143.

Lajunen, Ari (2004) Ekoproduktion på mjölkgårdar - ett lönsamt alternativ? Forskningsnytt om økologisk landbruk i Norden (2), pp. 20-22.

Lakner, Sebastian (2004) Ökologischer Landbau und Nachhaltigkeit – Bewertung anhand von ökologischen und ökonomischen Indikatoren. [Organic Farming and Sustainability – an Assessment with ecological and economical Indicators.] Thesis, Universität Göttingen , Institut für Agrarökonomie. . [Unpublished]

Lambion, Jérôme (2004) Grandes cultures : le Sclerotinia en AB : Luttez ! C'est possible. [Control of Sclerotinia spp. in organic arable crops.] Cultivar, December 2004 (587), pp. 18-19.

Lambion, Jérôme and Mazollier, Catherine (2004) Mildiou de la laitue sous abri : comment faire face ? [How to cope with downy mildew on lettuce ?] Alter Agri, September 2004 (67), pp. 4-6.

Lambion, Jérôme (2004) Lutte contre le Bremia de la laitue sous abri: tests de produits alternatifs au cuivre. [Control of Bremia lactucae: test of alternative products to copper.] Groupe de Recherche en Agriculture Biologique .

Lambion, Jérôme (2004) Test du Contans, produit biologique à base de Coniothyrium minitans en traitement de sol contre Sclerotinia spp. sur laitue. [Test of Contans (formulation of Coniothyrium minitans) in soil application against Sclerotinia spp. on lettuce.] Rapport final du GRAB - 2004. Groupe de Recherche en Agriculture Biologique .

Lammerts Van Bueren, E. and Broek, R. Van Den (2004) Uienrassenkeuze in 2004 : rassenonderzoek biologische zaaiuien. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (2), 24 - 25.

Landwirtschaftskammer, Nordrhein-Westfalen (2004) Untersuchungen zum Futterbau und zur Milchviehhaltung im Rahmen des Projektes „Öko-Leitbetriebe in Nordrhein-Westfalen“. [Forage cropping and dairy husbandry - research in the project "Organic model farms in North Rhine-Westphalia".] Working paper. [Unpublished]

Lanen, M. (2004) Biologisch, heel logisch? : een onderzoek naar de haalbaarheid van tien procent biologische landbouw in Noorwegen en Nederland. Masters thesis. . [Unpublished]

Lange, B. De (2004) Bioloog en boer in Frankrijk : Frits van Beusekom even trots op broedende hop en bloeiende moerasorchis als op zijn Salers. VeeteeltVlees : vakblad voor vleesveehouders in Nederland en Belgie, 2004, 3 (11), 16 - 17.

Langhout, Jos and Wagenaar, Jan-Paul (2004) Suckling as an alternative rearing system for replacement calves on dairy farms. Paper at: organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality, proceedings of the 2nd safo workshop, Witzenhausen, Germany, 25-27 march 2004.

Lans, C.J.M. Van Der and Tromp, S. (2004) Kwaliteitsverloop in biologische ketens : analyse afzetketens in Aladin. Praktijkonderzoek Plant & Omgeving, Sector Glastuinbouw, Naaldwijk, NL.

Larsen, Cand.scient Thomas; Ravn, Senior scientist Helle and Axelsen, Senior Scientist Jørgen (2004) Simplified and rapid method for extraction of ergosterol from natural samples and detection with quantitative and semi-quantitative methods using thin-layer chromatography. Journal of Chromatography A, 1026, 301 - 304.

Laufenberg, Günther; Rosato, Pietro and Kunz, Benno (2004) Adding value to vegetable waste: Oil press cakes as substrates for microbial decalactone production. European Journal of Lipid Science and Technology (106), pp. 207-217.

Leeb, Christine; Whay, Becky and Main, David (2004) Incorporation of conventional animal welfare assessment techniques into organic certification and farming. University of Bristol , School of Veterinary Science.

Leeuwen, Y. Van (2004) Onderzoek naar biologische broei van tulpen. Proeftuin Zwaagdijk, Zwaagdijk-Oost, NL.

Lehtinen, Ari and Hannukkala, Asko (2004) Oospores of Phytophthora infestans in soil provide an important new source of primary inoculum in Finland. Agricultural and Food science, 13 (4), pp. 399-410.

Lehtonen, Heikki; Aakkula, Jyrki and Rikkonen, Pasi (2004) Alternative agricultural policy scenarios, sector modelling and indicators - A sustainability assessment. MTT Agrifood Research Finland.

Leij, H. Van Der (2004) Kalveren bij de koe: gewenst in Noord-Holland? Louis Bolk Instituut, Driebergen, NL.

Leinhos, G. M. E.; Wahl-Ermel, B. U. and Jehle, J. A. (2004) Biologische Kontrolle von Eulenraupen im Kohl mittels Baculoviren. [Biological Control of the Cabbage Moth by Baculoviruses.] Bundesanstalt für Landwirtschaft und Ernährung, D-Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Leinonen, P. and Närkki, V. (2004) Lay-down working cart improves efficacy of hand weeding. Paper at: 6th EWRS workshop on physical and cultural weed control, Lillehammer, Norway, 8-10 March 2004.

Leinonen, P.; Saastamoinen, A. and Vilmunen, J. (2004) Finger weeder for cabbage and lettuce cultures. Paper at: 6th EWRS workshop on physical and cultural weed control, Lillehammer, Norway, 8-10 March 2004.

Leirs, H.; Lodal, J. and Knorr, M. (2004) Factors correlated with the presence of rodents in outdoor pig farms in Denmark and suggestions for management strategies. NJAS Wageningen Journal of Life Sciences, 52 (2), pp. 145-161.

Leisen, Edmund (2004) Geschmackstests zeigten deutliche Sortenunterschiede bei Öko-Kartoffeln. [Degustations showed clear differences between potato cultivars.] Working paper, Landwirtschaftskammer Nordrhein-Westfalen . [Unpublished]

Levin, Gregor (2004) Studying the effect of organic farming on rural landscapes: Issues of methodology and scale. In: Cristováo, Artur (Ed.) Proceedings of the Sixth European IFSA Symposium, European Farming and Society In Search of a New Social Contract - Learning to Manage Change, UTAD, Portugal, 2, pp. 325-334.

Lévite, Dominique (2004) Wirkung verschiedener Bodenbearbeitungssysteme in einem biologischen Weinberg des Zentralwallis. [Effet de différents systèmes d’entretien du sol dans un vignoble biologique du valais central.] In: Häseli, Andreas (Ed.) Tagungsband zur Bioweinbautagung 2004 in Olten.

Lichtenhahn, Martin and Koller, Martin (2004) Gemüsebau. . Online at http://www.oekolandbau.de/index.cfm?0004264C05401F6BBBAC6521C0A8D816.

Lindhard, Hanne; Paaske, Klaus; Bengtsson, Marianne and Hockenhull, John (2004) Alternativ bekæmpelse af æbleskurv i økologisk æbledyrkning. FØJOenyt (2).

Lindhard, Hanne; Paaske, Klaus; Bengtsson, Marianne V. and Hockenhull, John (2004) Alternative fungicides to control apple scab in organic apple production: results of an orchard trial in 2003. DARCOFenews (2).

Lindhard Pedersen, H.; Olsen, A.; Pedersen, B.; Korsgaard, M. and Horsted, K. (2004) Combined production of broilers and fruits. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 131-136.

Lindhard Pedersen, Hanne; Olsen, A.; Korsgaard, Maren and Pedersen, Birgitte (2004) Broilers reduce the apple sawfly population in organic apple growing. DARCOFenews (3), pp. 1-3.

Lindhard Pedersen, Hanne; Olsen, A.; Korsgaard, Maren and Pedersen, Birgitte (2004) Slagtekyllinger reducerede antallet af æblebladhvepse I økologisk dyrkede "Discovery" æbler. Grobladet, 2004, 14 (58), pp. 10-11.

Lindhard Pedersen, Hanne; Paaske, Klaus; Bengtsson, Marianne V. and Hockenhull, John (2004) Orchard testing of new, alternative fungicides against apple scab. DARCOFenews (2), pp. 1-2.

Lindhard Pedersen, Hanne and Pedersen, Birgitte (2004) Soil treatments and rootstocks for organic apple production. In: Eco-fruit, Fördergemeinschaft Ökologicher Obstbau e. V. Weinsberg, pp. 137-143.

Lindhard Pedersen, Hanne and Pedersen, Birgitte (2004) Soil treatments and rootstocks for organic apple production. DARCOFenews, April 2004 (1), pp. 1-3.

Link, Wolfgang (2004) Entwicklung von Winter-Ackerbohnen für den ökologischen Landbau - Teilprojekt 2. [Development of winter-beans for organic farming - part 2.] Georg-August-Universität Göttingen , Institut für Pflanzenbau und Pflanzenzüchtung.

Lodal, Jens; Knorr, Mette and Leirs, Herwig (2004) Strategier til giftfri bekæmpelse af rotter og mus. In: Sørensen, Jan Tind (Ed.) Produktionsstyring med fokus på husdyrsundhed og fødevaresikkerhed i økologiske svinebesætninger: Rapport fra workshop afholdt på Hotel Bygholm Park 23. april 2003. FØJO Intern rapport, no. 54. Forskningscenter for Økologisk Jordbrug , chapter 4, pp. 27-34.

Lorenz, Norbert; Klause, Stefan and Spieß, Hartmut (2004) Sortenevaluierung auf Flug- und Hartbrandanfälligkeit der Wintergerste sowie Prüfung flug- und hartbrandresistenter Sorten auf Anbaueignung bei ökologischer Bewirtschaftung. In: Jahresbericht 2004. Institut für biologisch-dynamische Forschung, D-Darmstadt , p. 18.

Löser, Rainer and Deerberg, Friedhelm (2004) Ökologische Schweineproduktion: Struktur, Entwicklung, Probleme, politischer Handlungsbedarf. [Organic pig-production: Structure, development, problems, political action.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Luka, Henryk (2004) Ökologische Bewertung von Landschaftselementen mit Arthropoden. [Ecological evaluation of landscape elements with anthropods.] Band 4 von Opuscula biogeographica basileensia, 2004, pp. 1-253.

Lukashyk, P.; Berg, M. and Köpke, U. (2004) Direkte Kontrolle von Vicia hirsuta (L.) S.F. GRAY in Getreidebeständen des Organischen Landbaus. [Direct control of Vicia hirsuta (L.) S.F. GRAY in winter cereals of organic farming.] Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz (Sonderheft XIX), pp. 503-510.

Luomala, Harri (2004) Exploring origin of food as a source of meanings for Finnish consumers: A qualitative comparison of meanings in Swedish, German and French food. In: Report from NJF seminar 366, Nordic Association of Agricultural Scientists, pp. 53-55.

Løes, Anne-Kristin and Danielsberg, Gøran (2004) Silo som gjødsel? [Ensilage used as a fertiliser.] Økologisk Landbruk (2-2004), pp. 43-45.

Løes, Anne-Kristin and Gahoonia, Tara Singh (2004) Genetic variation in specific root length in Scandinavian wheat and barley accessions. Euphytica, 137, pp. 243-249.

Løes, Anne-Kristin and Østergård, Hanne (2004) Endelig en COST-aksjon med økologisk siktemål. Forskningsnytt om økologisk landbruk i Norden (3), 1/8-19. [In Press]

Madsen, Gudula (2004) Die Rolle der Erzeugergemeinschaften auf dem deutschen Markt für ökologisch produzierte Produkte - Eine empirische Untersuchung. [The role of producer cooperatives in the German market of organic food.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Madsen, Niels and Jacobsen, Brian (2004) Forbud mod konventionel gylle og foder vil fordyre økologisk planteavl. [Ban on konventional slurry and feeding will increase organic crop production.] FØJOenyt, April 2004 (2).

Madsen, Niels and Jacobsen, Brian (2004) Impact of new technologies and changes in legislation on the income on organic farming. DARCOFenews, June 2004 (2).

Maeschli, Ariane (2004) Melkanleitung. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Maeschli, Ariane (2004) Memo. Institute de recherche de l'agriculture biologique (FIBL), CH-Frick.

Magid, Jakob; Rasmussen, Lasse Dam and Moeller, Jacob (2004) Measuring degradation of transgenic DNA and screening for horizontal gene transfer from GMO-plant material during composting. Poster at: 1st international Conference on SOIL AND COMPOST ECOBIOLOGY, Leon – Spain, September 15th-17th, 2004. [Unpublished]

MAMEN, Nassima (2004) Production of compost of high quality from bovine wastes and organic olive and vineyard wastes. [Production de compost de haute qualité à partir de déchets bovins, oléicoles et viticoles biologiques.] Thesis, IAMB Mediterranean Agronomic Institute of Bari , Organic Farming. Collection Master of Science IAMB-CIHEAM (International Centre for advanced Mediterranean agronomic studies), no. 347. . [Unpublished]

Manninen, Merja; Saarijärvi, Kirsi; Huhta, Harri; Jauhiainen, Lauri and Aspila, Pentti (2004) Effects of winter feeding strategies with alternative feeds on the performance of mature suckler cows and their progeny. Agricultural and Food Science, 13 (4), pp. 348-362.

Mansvelt, J.D. Van (2004) Biologische producten zijn gezonder. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (1), 26 - 28.

Mansvelt, J.D. Van and Kloosterman, R. (2004) Driemaal denken over voedingskwaliteit. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (4), 10 - 17.

Marshall, Athole and McCalman, Heather (2004) Improving the Availability of Organic Forage Seed in Wales. Organic Centre Wales, University of Wales, Aberystwyth and IGER, Aberystwyth .

Martin, . Jörg (2004) Grenzen und Möglichkeiten der ökologischen Rindfleischerzeugung in Mecklenburg-Vorpommern. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Martins, Márcia; Mendes, Antônio Nazareno Guimarães and Alvarenga, Maria Inês Nogueira (2004) Incidência de pragas e doenças em agroecossistemas de café orgânico de agricultores familiares em Poço Fundo-MG. [Incidence of plagues and diseases on a agroecossystems of organic coffee of small farmers in Poço Fundo-MG.] Ciência e Agrotecnologia, 28 (6), pp. 1306-1313.

Maxin, Peter (Versuchs- und Beratungszentrum Jork) and Klopp, Karsten (Versuchs- und Beratungszentrum Jork) (2004) Versuche im niedersächsischen Öko-Obstbau 2002 - 2003. [Research in organic pomiculture in Lower Saxony in 2002-2003.] .

McKinnon, Kirsty; Holm, Aage and Henriksen, Trond (2004) Tang som gjødsel. [Seaweed as fertilizer.] NORSØK Rapport. NORSØK, Tingvoll.

Measures, Mark (2004) Farm Auditing for Sustainability. In: Hopkins, A (Ed.) Organic Farming: Science & Practice for Profitable Livestock and Cropping, British Grassland Society, Reading, BGS Occasional Symposium, no. 37, pp. 27-30.

Meerburg, Bastiaan and Kijlstra, Aize (2004) Towards sustainable management of rodents in organic animal husbandry. NJAS Wageningen Journal of Life Sciences, 52 (2), pp. 195-206.

Meerburg, BG; Bonde, M; Brom, FWA; Endepols, S; Jensen, AN; Leirs, H; Lodal, J; Singleton, GR; Pelz, H-J; Rodenburg, TB and Kijlstra, A (2004) Towards sustainable management of rodents in organic animal husbandry. NJAS - Wageningen Journal of Life Sciences, 52 (2), pp. 195-206.

Meeusen, M.J.G. (2004) Biologische landbouw in Midden- en Oost-Europa. Rapport / LEI. Domein 5, Ketens 5. LEI, Den Haag, NL.

Meier, Julia; Hermanowski, Robert and Schaaf, Thomas (2004) Das zentrale deutsche Internetportal www.oekolandbau.de. [The German internet portal on organic agriculture www.oekolandbau.de.] In: Rahmann, Gerold and Kühne, Stefan (Eds.) Ressortforschung für den ökologischen Landbau 2004, Senatsarbeitsgruppe Ökologischer Landbau, pp. 115-119. [Unpublished]

Meijer, B.; Lamers, J.; Bertrums, S. and Geers, F. (2004) Biologische grondontsmetting : bestrijding van bodemziekten voor een gezonde bodem. PPO 415.. Praktijkonderzoek Plant & Omgeving, Bomen, Boskoop , NL.

Meijer, J. (2004) De Beukenhof: een parel in West-Brabant. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (3), 3 - 7.

Meijer, J. and Veltman, L. (2004) Bedrijfseigen fokkerij. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (2), 20 - 25.

Meijer, L. and Janssen, T. (2004) Stimulering van de biologische landbouw : rapportage deelonderzoek Verkenning maatregelen ter stimulering van de biologische sector via het primaire gedeelte van de sector in het kader van de nieuwe nota biologische landbouw 2005-2007. Rapport / EC-LNV nr. 2004/309. Expertisecentrum LNV, Ede, NL.

Meili, Eric (2004) Milchviehhalter brauchen einen Raufutterbeitrag. [Dairy farmers need compensation for grassland based fodder.] Bioaktuell (4/04), p. 13.

Meirelles, Laércio (2004) Soberania Alimentar, agroecologia e mercados locais. [Food sovereignty, agroecology and local markets.] Revista Agriculturas: experiencias em agroecologia, 1, pp. 11-14.

Meirelles, Laércio (2004) Soberania alimentar, agroecologia e mercados locais. [Food security, agroecology and local markets.] Revista Agriculturas: experiências em agroecologia, 1, pp. 11-14.

Mejer, Helena (2004) Pløjning virker mod nogle indvoldsorm. [Ploughing is effective against some intestinal parasites.] Økologisk Jordbrug, June 2004 (315), p. 7.

Mejer, Helena and Roepstorff, Allan (2004) Alternativ kontrol af indvoldsorm hos svin. In: Sørensen, Jan Tind (Ed.) Produktionsstyring med fokus på husdyrsundhed og fødevaresikkerhed i økologiske svinebesætninger: Rapport fra workshop afholdt på Hotel Bygholm Park 23. april 2003. FØJO Intern rapport, no. 54. Forskningscenter for Økologisk Jordbrug , chapter 3, pp. 19-26.

Mejnertsen, Peter (2004) Benyt efterafgrøder i økologisk jordbrug. [Use catch crops in organic farming.] . Online at http://www.lr.dk/planteavl/diverse/oe_vaerk_efterafgr.htm.

Mejnertsen, Peter (2004) Blandsæd giver dig flere muligheder i dit markbrug. [Intercropping gives you more posibilities in your arable crop production.] . Online at http://www.lr.dk/planteavl/diverse/oekovaerk_blandsaed.htm.

Melander, Bo (2004) Nonchemical weed control: New Directions. In: Goodman, Robert M. (Ed.) Encyclopedia of Plant and Crop Science. Marcel Dekker, Inc., New York, pp. 1-3.

Melander, Bo and Barberi, Paolo (2004) PHYSICAL AND CULTURAL WEED CONTROL IN MINOR CROPS. Paper at: 4th International Weed Science Congress, Durban, 20-24 June 2004.

Melander, Bo; Jørgensen, Martin H. and Elsgaard, Lars (2004) Band-steaming reduces laborious hand-weeding in vegetables. DARCOFenews (3).

Melander, Bo; Jørgensen, Martin H. and Elsgaard, Lars (2004) Effekter af damp på ukrudt og mikroliv. FØJOenyt (1).

Melander, Bo; Rasmussen, Ilse A and Bertelsen, Inger (2004) Common Couch-grass control with less tillage. DARCOFenews (4).

Melander, Bo; Rasmussen, Ilse A and Bertelsen, Inger (2004) Nye strategier til at bekæmpe kvik. DARCOFenews (6).

Melander, Bo; Rasmussen, Ilse Ankjær; Holst, Niels and Bertelsen, Inger (2004) Ikke-kemisk ukrudtsbekæmpelse - mekanisk og termisk. In: Ukrudtsbogen. Danmarks JordbrugsForskning, chapter 4, pp. 207-226.

Melander, Scientist Bo (2004) Ukrudtsbekæmpelse med rækkedampning. Planteproduktion 2004, Månedsmagasinet MARK, Danske Landbrugs Medier 15 januar 2004, 2004, p. 51.

Melander, Scientist Bo; Jørgensen, Scientist Martin Heide and Elsgaard, Scientist Lars (2004) Recent results in the development of band steaming for intra-row weed control. In: Abstracts 6th EWRS Workshop on Physical and Cultural Weed Control, p. 21.

Melo, P.E. De (2004) Uien met een verbeterd wortelstelsel : vierjarig onderzoek afgerond. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (1), p. 27.

Merck, C.C.; Fidelak, C.; Klocke, P.; Reinecke, A.; Paal, K.; Rothe, J. and Spranger, J. (2004) Etablierung der homöopathischen Mastitistherapie in einem biologisch-dynamisch wirtschaftenden Milcherzeugerbetrieb unter Berücksichtigung ökologischer, epidemiologischer und ökonomischer Gesichtspunkte. [Implementation of homeopathic mastitis therapy in a bio-dynamic dairy farm regarding ecological, epidemiological and economic aspects.] Freie Universität Berlin , Tierklinik für Fortpflanzung.

Meßner, Helmut (2004) Prüfung und Empfehlungen von Maissorten für den ökologischen Landbau. [Testing and Recommendation of Maize Varieties for Organic Farming.] Deutsches Maiskomitee e.V. .

{Project} Prüfung und Empfehlungen von Maissorten für den ökologischen Landbau. [Testing and Recommendation of Maize Varieties for Organic Farming.] Runs 2002 - 2003. Project Leader(s): Meßner, Dr. Helmut, Deutsches Maiskomitee e.V. .

Messelink, G. (2004) Nieuwe roofmijt wint met overmacht in komkommer. Groenten + fruit : weekblad voor de voedingstuinbouw., 2004, Algeme (35), 22 - 23.

Messelink, G. and Pijnakker, J. (2004) Roofmijten bestrijden wittevlieg. Vakblad voor de bloemisterij, 2004, 59 (43), p. 62.

Messelink, G.; Slooten, M. Van and Groot, E. De (2004) Chemische en biologische bestrijding van koolvlieg in radijs. Praktijkonderzoek Plant & Omgeving, Business Unit Glastuinbouw, Naaldwijk, NL.

Messelink, G. and Steenpaal, S. (2004) Roofmijten nu ook kaswittevlieg de baas. Groenten + fruit : weekblad voor de voedingstuinbouw., 2004, Algeme (45), 26 - 27.

Meulen, H. Van Der; Jansonius, P. and Zanen, M. (2004) Ketenstijlen in de biologische handel : appelsector als voorbeeld van verschillende afzetstructuren. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (9), 30 - 31.

Meulen, H.S. Van Der (2004) Fruitteelt : ketenstijlen in de biologische appelsector. Publicatie LF77.. Louis Bolk Instituut, Driebergen, NL.

Meulen, J. Van Der; Kijlstra, A.; Berg, M. Van Den and Spruit, J. (2004) Inventarisatie diergeneesmiddelen gebruik in de biologische pluimveehouderij. Animal Sciences Group Wageningen UR}, Wageningen, NL.

Meulen, J. Van Der; Kijlstra, A.; Reijmer, E. and Sielias, W. (2004) Inventarisatie diergeneesmiddelen gebruik in de biologische varkenshouderij. Centraal Instituut voor Dierziektecontrole, Lelystad, NL.

Mheen, H. V.D. (2004) Stikstofuitspoeling van onverharde uitlopen in de varkenshouderij. Animal Sciences Group Wageningen UR, Wageningen, NL.

Middelkoop, J. Van (2004) cliché: een sluitende mineralenkringloop op het melkveebedrijf lijkt onmogelijk : meer in balans brengen van mineralenkringloop is uitdaging. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (10), 14 - 15.

Mikkola, Minna (2004) Strenthening local food systems: tracing learning of knowledge and skills by content and discourse analysis. In: (Pre)Proceedings of the 6th European IFSA symposium, pp. 663-671.

Millock, Katrin; Wier, Mette and Andersen, Laura M (2004) Consumer demand for organic foods – attitudes, values and purchasing behaviour. Paper at: 13th annual EAERE Conference, Budapest, June 2004.

Moerman, E. (2004) Strategie biologische bestrijding is maatwerk : inundatieve strategie biedt aantrekkelijke perspectieven. Onder glas, 2004, 1 (8), 16 - 17.

Mogensen, Lisbeth (2004) Bedre kvalitet af grovfoder gavner kvægbedriftens økonomi. FØJOnyt, October 2004, 5, p. 3.

Mogensen, Lisbeth (2004) Organic milk production based entirely on home-grown feed. Thesis, Danish Institute of Agricultural Sciences (DIAS) . .

Mogensen, Lisbeth (2004) Tema om økologisk mælkeproduktion. Økologisk Jordbrug, December 2004, p. 6.

Mogensen, Lisbeth; Ingvartsen, Klaus L.; Kristensen, Troels; Seested, Susanne and Thamsborg, Stig M. (2004) Organic dairy production based on rapeseed, rapeseed cake or cereals as supplement to silage ad libitum. Acta Agriculturae Scandinavica, Section A - Animal Science, 54 (2), pp. 81-94.

MOLOT, Bernard and GAIMON, Cyril (2004) REDUCTION DES APPORTS CUPRIQUES EN VITICULTURE BIOLOGIQUE:ETUDE DU LESSIVAGE FOLIAIRE SOUS SIMULATEUR DE PLUIE;. [COPPER REDUCTION IN ORGANIC VITICULTURE: STUDY OF COPPER WASH-OFF ON LEAVES UNDER RAIN SIMULATOR.] Paper at: Entretiens Viti-Vinicoles Rhône-Méditerranée, 30-ROQUEMAURE, 01/04/2004. [In Press]

Monk, Dr Andrew (2004) The Future of Australian Organics in a Changing Marketplace. Biological Farmers of Australia .

Monteiro, Denis and Mendonça, Marcio Mattos de (2004) Quintais na cidade: a experiência de moradores da periferia do Rio de Janeiro. [City backyards: inhabitant's practices of Rio de Janeiro boundary.] Revista Agriculturas: experiencias em agroecologia, 1, pp. 29-31.

Morris, Leigh (2004) Ultraviolet blocking greenhouse polythene covers for insect pest control on organic crops: May 2003 - September 2004. Organic Centre Wales .

Mortel, D. Van De (2004) Uiergezondheid biologisch melkvee. ID Lelystad, divisie Dier & Omgeving, Lelystad, NL.

Moschitz, Heidrun; Stolze, Matthias and Michelsen, Johannes (2004) Report on the development of political institutions involved in policy elaborations in organic farming for selected European states. Further Development of Organic Farming Policy in Europe with Particular Emphasis on EU Enlargement. QLK5-2002-00917, no. D7. .

Mourão, Patrícia de Lucena (2004) Sistemas alternativos de produção familiar: manejo de açaizal em área de várzea – Abaetetuba, Pará. [Small farmer's alternative production systems: acaí palm on lowland areas - Abaetetuuba, Pará.] Revista Agriculturas: experiências em agroecologia, 1, pp. 22-24.

Mouret, J.C.; Hammond, R.; Dreyfus, F.; Desclaux, D.; Marnotte, P. and Mesléard, F. (2004) An integrated study of the development of organic rice cultivation in the Camargue (France)-. Paper at: International Conference on Challenges and Opportunities for Sustainable Rice-Based Production Systems., Torino, 13-15 Sept 2004.

Mul, M. and Bokma, M. (2004) Maïskuil voeren kan leiden tot overschrijding mycotoxinen-norm. Praktijkkompas. Varkens, 2004, 18 (2), 14 - 15.

Mul, M.; Gaag, M. Van Der; Stockhofe, N. and Döpfer, D. (2004) Minder longziekten bij vleesvarkens door niet mengen van varkens. V-focus : vakblad voor adviseurs in de dierlijke sector, 2004, 1 (oktobe), 42 - 45.

Mul, M.F.; Krimpen, M.M. Van; Bokma-Bakker, M.B. and Eijck, I.A.J.M. (2004) Mycotoxinenbelasting in de biologische varkenshouderij. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Müller, Karl-Josef (Getreidezüchtungsforschung Darzau); Meyercordt, Armin (Landwirtschaftskammer Hannover); Mücke, Markus (Landwirtschaftskammer Hannover); Rieckmann, Carsten (Landwirtschaftskammer Hannover); Scholvin, Andreas (Landwirtschaftskammer Hannover); Grocholl, Jürgen (Landwirtschaftskammer Hannover) and Kakau, Joachim (Landwirtschaftskammer Weser Ems) (2004) Versuchsergebnisse im Ökologischen Ackerbau in Niedersachsen 2002 - 2003. [Research results in organic arable farming in Lower Saxony in 2002 - 2003.] .

Munkholm, L.J. and Schjønning, P. (2004) Structural vulnerability of a sandy loam exposed to intensive tillage and traffic in wet conditions. Soil & Tillage Research (79), pp. 79-85.

Munkholm, Lars J. (2004) Jordløsning. [Subsoil loosening.] In: Planteproduktion 2004, Herning Kongrescenter 13-14 January 2004., Dansk Landbrugsrådgivning og Danmarks JordbrugsForskning, p. 81.

Munkholm, Lars J. and Olesen, Jørgen E. (2004) Mekanisk jordløsning fjernede pløjesål men gav varierende effekt på udbyttet. [Subsoil loosening eliminated plough pan but had variable effect on crop yield.] FØJOenyt.

Muuttomaa, Elina (2004) Odling av ekologisk humle i Finland. Forskningsnytt om økologisk landbruk i Norden (1), pp. 26-27.

Mølgaard, Jens Peter (2004) Dyrkning på kamme en interessant mulighed i økologien. [Ridge tillage is a interesting prospect in organic farming.] FORVM (14).

Mølgaard, Jens Peter (2004) Kamdyrkning af hestebønner. FØJOenyt.

Mølgaard, Jens Peter (2004) Kamdyrkning af hestehønne. [Faba been grown on ridges.] DJF-nyheder, March 2004, - .

Mølgaard, Jens Peter (2004) The Perspective in Organic Farming in Relation to Human Health. Paper at: 1st International Symposium on Healthy Diet and Organic Foods, Ankara, Turkye, 9 May 2004. [Unpublished]

Nauta, W. (2004) Stieren houden voor de biologische fokkerij. Louis Bolk Instituut, Driebergen, NL.

Neefjes, M. (2004) Drie vruchtgroenten van drie vakmannen : Paprika, komkommer, tomaat. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Neefjes, M. (2004) Gezocht: biologische bloem voor moederdag : Florganic levert liefst (bijna) jaarrond. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Neefjes, M. (2004) Kasproducten in een groeimarkt. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

{Tool} DSS "Weed Control in Organic Winter Wheat Production". Creator(s): Neuhoff, Daniel. Issuing Organisation(s): University of Bonn. (2004)

Nicholas, P; Padel, S; Lampkin, N; Fowler, S; Topp, K and Weller, R (2004) Modelling Organic Dairy Production Systems. In: Hopkins, A (Ed.) Organic farming: science and practice for profitable livestock and cropping. Occasional Symposium of the British Grassland Society, British Grassland Society (37), pp. 145-148.

Nicholas, Phillipa; Padel, Susanne; Cuttle, S P; Fowler, S M; Hovi, M; Lampkin, N H and Weller, R F (2004) Organic Dairy Production - A Review. Biological Agriculture and Horticulture, 22, pp. 217-249.

Nieberg, Hiltrud; Fenneker, Alois; Rahmann, Gerold; Drengemann, Susanne; March, Solveig and Zurek, Christina (2004) Bundesweite Erhebung - Regionale Unterschiede im Absatz von Bio-Produkten. [German wide evaluation - regional differences in organic product supply.] Ökologie & Landbau, 131 (3), pp. 22-24.

Nielsen, B.J. (2004) Resistens mod stinkbrand i vinterhvede. [Resistance to common bunt (Tilletia tritici) in winter wheat.] Danmarks JordbrugsForskning, Landbrugets Rådgivningscenter .

Nielsen, B.J. (2004) Screening for resistance to leaf stripe (Pyrenophora graminea) in barley. In: Yahyaoui, A.H; Brader, L.; Tekauz, A.; Wallwork, H. and Steffenson, B. (Eds.) Proceedings of the second International Workshop on barley Leaf Blights, 7-11 April 2002, ICARDA, Aleppo, Syria, pp. 277-280.

Nielsen, Bent J. (2004) Threshold levels for seed borne diseases in organic cereals. DARCOFenews (3).

Nielsen, Birte L. (2004) Breast blisters in groups of slow-growing broilers in relation to strain and the availability and use of perches. British Poultry Science, 45 (3), pp. 306-315.

Nielsen, Birte L. (2004) Siddepinde og brystblærer hos slagtekyllinger. [Perches and breast blisters in broilers.] Oekologisk Jordbrug, May 2004 (314), p. 4.

Nielsen, G.C. (2004) Betydning af udsædsbåren angreb af ærtesyge. .

Nielsen, G.C. (2004) Kassationsprocenter som følge af udsædsbårne svampe i økologisk udsæd af korn og bælgsæd. Landbrugets Rådgivningscenter .

Nielsen, G.C. (2004) Oversigt over Landsforsøgene 2004. In: Oversigt over Landsforsøgene 2004. , pp. 251-254.

Nielsen, G.C. (2004) Undersøgelse af ærtesyge ved økologisk dyrkning. FØJOenyt.

Nielsen, Jacob Holm; Lund-Nielsen, Tina and Skibsted, Leif (2004) Higher antioxidant content in organic milk than in conventional milk due to feeding strategy. . Online at http://www.darcof.dk/enews/sep04/milk.html.

Nielsen, N.E.; Thomsen, I.K. and Berntsen, J. (2004) Sortsforskelle i næringsstofoptagelse, vækst og kerneudbytter af vårbyg til økologisk dyrkning. [Differences in spring barley cultivars as regards nutrien utilization, growth and yields in organic farming.] FØJOenyt. Nyhedsbrev fra Forskningscenter for Økologisk Jordbrug.

Nielsen, Professor N.E.; Thomsen, Senior Scientist I.K. and Berntsen, Senior Scientist J. (2004) Do nutrient uptakes and grain yields differ between spring barley varieties grown for organic farming as mono-crop and in mixture: Characteristics of spring barley varieties for organic farming. Working paper. [Unpublished]

Nielsen, Otto and Philipsen, Holger (2004) Seasonal population dynamics of inoculated and indigenous steinernematid nematodes in an organic cropping system. Nematology, 6 (6), pp. 901-909.

Nielsen, Otto; Skovgaard, Ib Michael and Philipsen, Holger (2004) Estimating the incidence of entomopathogenic nematodes in soil by the use of bait insects. Nematology, 6 (6), pp. 891-900.

Nielsen, Thorkild (2004) Økologien og giganterne. [The organic and the giants.] Miljøsk, March 2004 (35), pp. 1-5.

Nielsen, Thorkild (2004) Minimal and careful processing. Working paper. [Unpublished]

Nielsen, B.K.; Kristensen, A.R. and Thamsborg, S.M. (2004) Optimal decisions in organic steer production - a model including winter feed level, grazing strategy and slaughtering policy. Livestock Production Science, 88 (1-3), pp. 239-250.

Nielsen, Thorkild (2004) Underlying principles and actual problems for the processing of organic meat products. Working paper. [Unpublished]

Niggli, Urs; Willer, Helga and Fried, Padrout (2004) Seminar on Organic Food and Farming research in Europe, Brussels, November 26 2004. National report from: Switzerland. Speech at: Seminar on Organic Food and Farming research in Europe, Brussels, 26 November 2004.

Niva, Mari; Mäkelä, Johanna and Kujala, Jouni (2004) "Trust weakens as distance grows" : Finnish results of the OMIaRD consumer focus group study on organic foods. Working papers, no. 83. National Consumer Research Centre .

Noorduyn, L. and Dubbeldam, R. (2004) Gaten dichten in de biologische kringloop. Praktijkonderzoek van de Animal Sciences Group, Wageningen, NL.

Noorduyn, L. and Willems, S. (2004) Coaching van onderzoekers. Innovatiecentrum Biologische Landbouw, Wageningen, NL, , UR.

Noorduyn, L. and Willems, S. (2004) Gewasbescherming. Innovatiecentrum Biologische Landbouw, Wageningen, NL, , UR.

Noorduyn, L. and Willems, S. (2004) Mest en mineralen. Innovatiecentrum Biologische Landbouw, Wageningen, NL, , UR.

Noorduyn, L. and Willems, S. (2004) Plantaardige reststromen. Innovatiecentrum Biologische Landbouw, Wageningen, NL, , UR.

Northolt, Martin; van der Burgt, Geert-Jan; Buisman, Thiemo and Vanden Bogaerde, Arne (2004) Parameters for Carrot Quality: and the development of the Inner Quality concept. [Met Nederlandse samenvatting: Parameters voor wortelkwaliteit en de ontwikkeling van het Innerlijke Kwaliteitsconcept / mit deutscher Zusammenfassung: Parametern für Möhrenqualität und die Entwicklung des Begriffs der Inneren Qualität.] Louis Bolk Instituut Publications, no. GVV05 / FQH04. Louis Bolk Instituut .

Noto, Fabio (2004) Magen-Darm- und Lungenwurmproblematik der Bio Weide-Beef®-Produktion; Umsetzung von Kontrollmassnahmen. [Parasites / Nematades on Bio-Weide-Beef Farms; Implementation of control measures.] Thesis, ETH Zürich, Institut für Nutztierwissenschaften . . [Unpublished]

Notz, Christophe; Klocke, Peter and Spranger, Jörg (2004) Bestandesbetreuung und antibiotikaminimiertes Tiergesundheitsmanagement(BAT). [Herd health management and antibiotics reduction in dairy farms (BAT).] FiBL , Fachgruppe Tiergesundheit.

Nouwens, F.H.C.; Snoek, A.J.; Linden, A. Van Der and Reuler, H. Van (2004) Geïntegreerde en biologische teelt van zomerbloemen : onderzoek 2002 en 2003. Praktijkonderzoek Plant & Omgeving, Sector Bomen, Boskoop, NL.

Nowack Heimgartner, Karin and Oehen, Bernadette (2004) Sind auch Bioprodukte GVO-verunreinigt? [Are organic products gmo-contaminated ?] bioaktuell, 2004 (1), pp. 6-8.

Nykänen, A.; Heuwinkel, H.; Loges, R. and Locher, F. (2004) Comparison of NIRS based methods to determine legume content of mixed swards. In: COST-852 Quality legume-based forage systems for contrasting environments, p. 39.

Nykänen, Arja (2004) On-farm estimation of clover content of mixed swards. Paper at: European Society for Agronomy VIII ESA congress, Copenhagen, Denmark, July 11-15, 2004.

Nykänen, Arja (2004) Soils characteristics affecting BNF of organically grown red clover in Finland. Paper at: 14th International congress on nitrogen fixation, Beijing, China, Oct 27 - Nov 1, 2004.

Nykänen, Arja and Järvenpää, Markku (2004) Jord- och skogsbruksministeriets (MMM) program för forskning för ekologisk produktion 2003-2006. Paper at: "Uppdatera dina kunskaper inom ekologin": ekoseminar, S:t Michel, Finland, 28.7.2004.

Nykänen-Kurki, P.; Leinonen, P. and Nykänen, A. (2004) Dry matter production of annually cultivated forage legumes in organic farming. In: The International school-conference plant cultivation in the European North: the present situation and the prospects dedicated to the 50th anneversary of the Department of Agriculture and Soil Science, the Pedrozavodsk State University, pp. 189-191.

Nørremark, Michael and Griepentrog, Hans W. (2004) Analysis and Definition of the close-to-crop Area in Relation to Robotic Weeding. Paper at: 6th Workshop of the EWRS Working Group 'Physical and Cultural Weed Control', Lillehammer, Norway, 8th March 2004.

O'Brien, Josie (2004) Sheepdrove Organic Farm Breed and Feed 1a Interim Report. .

O'Brien, Josie (2004) Investigation into the effect of “day one weight” on bird weight gain of ISA 257 table birds within the Sheepdrove Organic Farm organic silvo-poultry system. .

O'Doherty Jensen, Katherine (2004) Moral Concerns about Food Products and Production Methods among Consumers of Organic Foods: A Report of Some Preliminary Results from an On-Going Qualitative Study. Paper at: Bi-annual Meeting of the Consumer Network of the European Sociological Association, Copenhagen, August 26-28th, 2004. [Unpublished]

Oehen, Bernadette and Schlatter, Christian (2004) Jusqu'à quand restera-t-il des aliments non transgénetiques ? [Until when will there be food, genetically non modified.] bioactualités (7), pp. 4-5.

Oehen, Bernadette and Schlatter, Christian (2004) Wie lange gibt es noch gentechfreie Lebensmittel? [For how long more will there be GMO free food ?] bioaktuell, 2004, pp. 8-9.

Oehl, F.; Frossard, E.; Fliessbach, A.; Dubois, D. and Oberson, A. (2004) Basal organic phosphorus mineralization in soils under different farming systems. Soil Biology & Biochemistry (36), pp. 667-675.

Oehl, F.; Sieverding, E.; Mäder, Paul; Dubois, D.; Ineichen, K.; Boller, T. and Wiemken, A. (2004) Impact of long-term conventional and organic farming on the diversity of arbuscular mycorrhizal fungi. Oecologia (138), pp. 574-583.

Olesen, J.E. (2004) Hvordan holder økologisk jordbrug føringen på beskyttelse af vandressourcerne? [How can organic farming maintain the lead in protection of water resources?] In: Økologi kongres 2004. Vision og virkelighed. Kongresbilag, Dansk Landbrugsrådgivning, pp. 104-105.

Olesen, J.E. and Berntsen, J. (2004) Simulating crop production and nitrate leaching losses from organic arable crop production. DARCOFenews, December 2004, 4, - .

Olesen, J.E.; Berntsen, J.; Petersen, B.M. and Kristensen, I.S. (2004) Nitrate leaching from organic and conventional crop production farms. In: The role of part-time and pluri-active farmers in rural development and natural resource management. Abstracts, NJF Seminars, no. 357, p. 19.

Olesen, J.E. and Petersen, B.M. (2004) Do we pay proper attention to the subsoil C turnover? In: Rasmussen, K.; Elberling, B. and Jepsen, M.R. (Eds.) Impacts of changes in land use and management on carbon stocks and turnover in the tropics, Geographical Institute, University of Copenhagen, p. 20.

Olesen, Jørgen E. (2004) Sommer, udlæg og grøngødning. [Summer, undersown crops and green manure crops.] Økologisk Jordbrug, 24 (315), p. 6.

Olesen, Jørgen E.; Askegaard, Margrethe and Berntsen, Jørgen (2004) Nitrate leaching from arable crop rotations in organic farming. In: Hatch, D.J.; Chadwick, D.R.; Jarvis, S.C. and Roker, J.A. (Eds.) Controlling nitrogen flows and losses, Wageningen Academic Publishers, pp. 389-396.

Olesen, Jørgen E.; Chatskikh, Dmitri; Berntsen, Jørgen and Hutchings, Nicholas J. (2004) Udledning af lattergas fra græsmarker øges ved afgræsning og gødskning. FØJOenyt (4).

Olesen, Jørgen E.; Hansen, Preben Klarskov; Berntsen, Jørgen and Christensen, Svend (2004) Simulation of Above-Ground Suppression of Competing Species and Competition Tolerance in Winter Wheat Varieties. Field Crop Research, 89, pp. 263-280.

Olesen, J.E.; Sørensen, P.; Thomsen, I.K.; Eriksen, J.; Thomsen, A.G. and Berntsen, J. (2004) Integrated nitrogen input systems in Denmark. In: Mosier, A.R.; Syers, J.K. and Freney, J.R. (Eds.) Agriculture and the nitrogen cycle: assessing the impacts of fertilizer use on food production and the environment. SCOPE, no. 65. Island Press, , chapter 9, pp. 129-140.

Oliveira, Fábio Luiz de; Almeida, Dejair L. de; Ribeiro, Raul de L.Duarte; Silva, Vinícius V. and Guerra, José Guilherme M. (2004) Desempenho do inhame (taro) em plantio direto e no consórcio com crotalária, sob manejo orgânico. [Main development in direct planting and in conjunction with sun hemp under organic management.] Horticultura Brasileira, 23 (3), pp. 638-641.

Oosterkamp, E.; Noorduyn, L. and Willems, S. (2004) Europese markten. Innovatiecentrum Biologische Landbouw, Wageningen, NL.

Oosterkamp, P. (2004) ECOstyle en de problematiek rond de toelating en acceptatie van natuurlijke middelen themanummer toekomst biologische bestrijding. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (1), 9 - 11.

Oppermann, Rainer; Krismann, Alfons; Hötker, Hermann and Blew, Jan (2004) Zielvorstellungen und Entwicklungsperspektiven für den Ökolandbau aus Naturschutzsicht. [Goals and Perspectives for Organic Farming in Respect of Nature Conservation and Biodiversity.] Institut für Landschaftsökologie und Naturschutz (ILN) Singen, NABU-Institut für Vogelschutz Bergenhusen .

Osman, A. and Kamp, L. (2004) Verbetering van de zaaizaadkwaliteit van zomertarwe : warmwaterbehandeling tegen fusarium biedt perspectieven. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (1), 18 - 19.

Osterburg, Bernhard and Zander, Katrin (2004) Regionale Strukturen des ökologischen Landbaus in Deutschland. [Regional structures of organic farming in Germany.] Arbeitsberichte des Bereichs Agrarökonomie, no. 08/2004, FAL Braunschweig .

Oude Vrielink, H.H.E. and Looije, A.A.J. (2004) Vergelijking van de fysieke belasting bij het laten zakken van tomatenplanten bij gebruik van verschillende hoge draad haken = Effect of different high wire hooks on the physical load during lowering of tomato plants. Rapport / Agrotechnology & Food Innovations 269.. Agrotechnology & Food Innovations, Wageningen, NL.

Oudshoorn, F. (2004) Automatisch melken in ecologisch perspectief : De voor- en nadelen van de melkrobot. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (12), 36 - 37.

P., Maxin and K., Klopp (2004) Economics of Hot Water Dipping. [Zur Wirtschaftlichkeit des Heißwasserverfahrens.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 75-78.

Padel, S (2004) Consumer attitudes in North-west England to organic and regional food. In: Hopkins, A (Ed.) Organic farming: science and practice for profitable livestock and cropping. Occasional Symposium of the British Grassland Society, British Grassland Society (37), pp. 35-38.

Padel, S; Foster, C and Midmore, P (2004) Expert perspectives on the future of the organic food market: results of a Pan-European Delphi study. In: Hopkins, A (Ed.) Organic farming: science and practice for profitable livestock and cropping. Occasional Symposium of the British Grassland Society (37), pp. 39-42.

Padel, Susanne and Lowman, Steve (2004) 2004 update of overview supply and demand of organic concentrated feed in the EU. EEC 2092/91 (Organic Revision Internal Project Report), no. D 41(2) 2004 update. University of Wales Aberystwyth , Institute of Rural Sciences.

Paffrath, Andreas; Kempkens, Karl and Schepl, Ute (2004) Status-Quo-Analyse und Entwicklung von Strategien zur Regulierung des Drahtwurmbefalls (Agriotes spp. L.) im Ökologischen Kartoffelanbau. [Status Quo Analysis and Development of Strategies to Regulate the Infestation of Wireworms (Agriotes spp. L.) in Organic Potato Farming.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

{Project} Studie zur Qualität ökologisch erzeugter Lebensmittel unter besonderer Berücksichtigung des gesundheitlichen Verbraucherschutzes. [Study on the quality of organic foodstuff with regard to consumer protection aspects.] Runs 2003 - 2004. Project Leader(s): Fehlhaber, Prof. Dr. Karsten, Universität Leipzig .

Palinsky, N.; Schulzig, H.S.; Ludewig, M. and Fehlhaber, K. (2004) Studie zur Qualität ökologisch erzeugter Lebensmittel unter besonderer Berücksichtigung des gesundheitlichen Verbraucherschutzes. [Study on the quality of organic foodstuff with regard to consumer protection aspects.] Universität Leipzig , Insitut für Lebensmittelhygiene.

Pallari, Maarit (2004) Ekostrategi för finska Lappland - grundad på utredning av eko-odlingens historia, nuläge och visioner. Forskningsnytt om økologisk landbruk i Norden (1), pp. 10-11.

Palm, C.A.; Machado, P.L.O.A.; Mahmood, T.; Melillo, J.; Murrell, S.T.; Nymangara, J.; Scholes, M.; Sisworo, E.; Olesen, J.E.; Pender, J.; Stewart, J. and Galloway, J.N. (2004) Societal responses for addressing nitrogen fertilizer needs: Balancing food production and environmental concerns. In: Mosier, A.R.; Syers, J.K. and Freney, J.R. (Eds.) Agriculture and the nitrogen cycle: assessing the impacts of fertilizer use on food production and the environment. SCOPE, no. 65. Island Press, chapter 5, pp. 71-89.

Pearce, Bruce (2004) Organic Cereal Varieties: The Results of four years of Trials. EFRC technical and Research note series. Elm Farm Research Centre , Research Department.

Pedersen, Anders and Thorup-Kristensen, Kristian (2004) Modelling root distribution and nitrogen uptake. Poster at: International Congress Rhizophere, Perspective and Challenges - A tribute to Lorenz Hiltner, Munich, Germany, 12-17 september 2004. [Unpublished]

Pedersen, Anders; Thorup-Kristensen, Kristian; Kristensen, Hanne Lakkenborg and Berntsen, Jørgen (2004) Simulating root growth. DARCOFenews.

Pedersen, Hanne Lindhard and Pedersen, Birgitte (2004) Soil treatments and rootstocks for organic apple production. [Bodenbearbeitung und Unterlagen für den ökologischen Apfelanbau.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 137-143.

Pedersen, Marianne Bruus; Aude, Erik and Tybirk, Knud (2004) Flora og insekter i hegn på økologiske og konventionelle bedrifter. [Hedgerow flora and insect fauna on organic and conventional farms.] In: DJF Markbrug. .

Pedrol, Nuria and Martínez, Antonio (2004) Organic Forage Crop Production in Atlantic Zones: an Ecophysiological Approach. In: Hopkins, Alan (Ed.) Organic Farming: Science and Practice for Profitable Livestock and Cropping. Occasional Symposium No. 37, British Grassland Society, 2004. Proceedings of the BGS/AAB/COR Conference., British Grassland Society, British Grassland Society Occasional Symposium Series, no. 37, pp. 105-109.

Pegg, Vanessa; Aspray, Claire and Pearce, Bruce (2004) To establish whether there are differences in performance between 757 (Lloyd Maunders) birds and the Maurice Millard 257 those currently used within the Sheepdrove system. .

Pegg, Vanessa and Pearce, Bruce (2004) Between Sheds Migration: establish whether, and if they do how far birds migrate between field sheds on the Sheepdrove Organic Farm silvo-poultry production system. .

Pegg, Vanessa and Pearce, Bruce (2004) The Effect of Removing Synthetic Amino Acids from the Poultry Ration on the Final Live and Dressed Weight of Birds from the Sheepdrove Organic Farm Organic Silvo-Poultry System. .

Pekrun, Carola and Claupein, Wilhelm (2004) The effect of stubble tillage and primary tillage on population dynamics of Canada Thistle (Cirsium arvense) in organic farming. Journal of Plant Diseases and Protection, Special Issue, XIX, pp. 483-490.

Peltonen-Sainio, Pirjo; Kontturi, Markku; Rajala, Ari and Kirkkari, Anna-Maija (2004) Impact dehulling oat grain to improve quality of on-farm produced feed. I. Hullability and associated changes in nutritive value and energy content. Agricultural and Food Science, 13 (1), pp. 18-28.

Peltonen-Sainio, Pirjo; Lehtinen, Pekka; Kontturi, Markku; Rajala, Ari and Kirkkari, Anna-Maija (2004) Impact dehulling oat grain to improve quality of on-farm produced feed. 2. Groat breakage and storability. Agricultural and Food Science, 13 (1), pp. 29-38.

Peppelenbos, L. and Velzen, K. Van (2004) Biologische landbouw prijzenswaardig : tien-puntenplan voor tien procent biologisch in 2010. Tweede Kamerfractie, 's-Gravenhage, NL, , SP.

Petersen, B.M. and Berntsen, J. (2004) Modelling Long Term Soil Carbon and Radiocarbon Dynamics with CN-SIM. In: Biological Systems simulation conference, Gainesville, Florida, 8-10 March 2004. Book of abstracts, pp. 61-62.

Petersen, B.M. and Berntsen, J. (2004) Modelling soil C and 14C development. In: International COST ACTION symposium 3rd - 6th June 2004, Ghent, Belgium. Book of abstracts, p. 59.

Petersen, B.M.; Berntsen, J.; Kristensen, I.S. and Olesen, J.E. (2004) Samme udvaskning af kvælstof ved økologisk og konventionel planteavl. FØJOenyt.

Petersen, Søren O.; Bol, Roland; Dittert, Klaus; Christofides, Calliopi; Roslev, Peter and Hansen, Martin N. (2004) Short-term C and N dynamics in urine patches: Response of nitrifiers to different urinary urea levels. Speech at: COST 627 Carbon Storage in Grasslands, Ghent, BE, 3-5 June 2004.

Petersen, Søren O.; Roslev, Peter and Bol, Roland (2004) Dynamics of a pasture soil microbial community after deposition of cattle urine amended with [13C]urea. [Dynamik af det mikrobielle samfund i en afgræsningsmark efter depositin af kvægurin beriget med [13C]urea.] Applied and Environmental Microbiology, 70 (11), pp. 6363-6369.

Petersen, Søren O.; Simek, Miloslav; Stamatiadis, Stamatis and Yamulki, Sirwan (2004) Nitrous oxide emissions from grazed grassland: effects of cattle management and soil conditions. In: Weiske, Achim (Ed.) Greenhouse gas emissions from agriculture. Mitigation options and strategies, Institute for Energy and Environment. Leipzig, Germany, pp. 75-78.

Petersen, Søren O.; Stamatiadis, Stamatis and Christofides, Calliopi (2004) Short-term nitrous oxide emissions from pasture soil as influenced by urea level and soil nitrate. [Lattergas-emissions fra græsmarksjord som funktion af urea-niveau og jordens nitratindhold.] Plant and Soil, 267 (1), pp. 117-127.

Petersen, Paulo (2004) Experiências evidenciam: uma outra agricultura é possível. Aprendamos com elas... [We notice from experiences: another agriculture is possible. Learned from them...] Revista Agriculturas: experiências em Agroecologia, 1, p. 2.

Pfeiffer, B.; Alt, S.; Schulz, C.; Hein, B. and Kollar, A. (2004) Investigations on alternative substances for control of apple scab - Results from Conidia germinating tests and experiments with plant extracts. [Untersuchungen zum Einsatz alternativer Stoffe zur Regulierung des Apfelschorfes - Ergebnisse aus Konidienkeimtests und Versuchen zu Pflanzenextrakten.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 101-107.

Pfeiffer, B. and Englert, M. (2004) Results from thinning experiments in 2002 and 2003. [Ergebnisse aus Ausdünnungsversuchen in den Jahren 2002 und 2003.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 157-162.

Pfiffner, Lukas (2004) Impact of different farming systems on epigeic beneficial arthropods and earthworm fauna in arable crops. Thesis, Universität Bern , Philosophisch-naturwissenschaftliche Fakultät am Zoologischen Institut der Universität Bern. .

Pfiffner, Lukas (2004) Impact of different farming systems on epigeic beneficial arthropods and earthworm fauna in arable crops. Dissertation. Universität Bern.

Pfiffner, Lukas (2004) Impact of low-input farming systems on earthworm populations in cereal crops - a paired farm approach in NW-Switzerland. [Submitted]

Pfiffner, Lukas and Wyss, Eric (2004) Use of sown wildflower strips to enhance natural enemies of agricultural pests. In: Gurr, Geoff M.; Wratten, Steve D. and Altieri, Miguel A. (Eds.) Ecological engineering for pest management. CABI-Publishing, Collingwood, Australia, chapter 11, pp. 167-188.

Philipps, Lois (2004) Soil Monitoring Programmes at Sheepdrove Organic Farm 2003-2004. .

Pietsch, G. and Freyer, B. (2004) Ökologischer Anbau von Körner- und Grünfuttererbsen im Trockengebiet Österreichs – Ertragsleistung und Vorfruchtwirkung. Mitt. Ges. Pflanzenbauwiss. (16), pp. 145-146.

Pietsch, G.; Friedel, J.K. and Freyer, B. (2004) Ertrag, N2-Fixierungsleistung und Wassernutzungseffizienz von Futterleguminosen in einem Ökologischen Anbausystem. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 16, pp. 219-220.

Pietsch, G.; Gabler, C.; Wagentristl, H. and Freyer, B. (2004) Ertragsentwicklung von Erbsen sowie Sommergerste in Reinsaat und in Mischung mit Leindotter oder Koriander im Ökologischen Landbau. Mitt. Ges. Pflanzenbauwiss. (16), pp. 147-148.

Pijnakker, J. and Boertjes, B. (2004) Praktijkonderzoek biologische bestrijding van schildluis op cymbidium. Praktijkonderzoek Plant & Omgeving, Sector Glastuinbouw, Aalsmeer, NL.

PINNA, MASSIMO; VERONA, MARZIA; BALDI, CLAUDIO; FURFARI, GIUSEPPINA; GAMBA, URSULA; SPAGNOLO, SANDRA; ZEPPA, GIUSEPPE and ROLLE, LUCA (2004) GLI ANTICHI MAIS DEL PIEMONTE. [THE TRADITIONAL CULTIVARS OF MAIZE IN PIEDMONT (North Italy).] PROVINCIA DI TORINO (Turin Province, Italy).

Pinnschmidt, H.O. (2004) Analysis of multivariate genotype - environment data using Nonlinear Canonical Correlation Analysis. Speech at: COST 860 SUSVAR Focus Finding Workshop, University Kassel-Witzenhausen, 11-13 October 2004.

Pinnschmidt, Hans O.; Nielsen, Bent J. and Hansen, Henrik J. (2004) Resistente bygsorter begrænser problemer med bladplet i økologisk såsæd. [Resistent barley varieties limit the problems related to net blotch in organic seed production.] FØJOenyt (3).

Pinnschmidt, Hans O.; Nielsen, Bent J. and Hansen, Henrik J. (2004) Thresholds for Net Blotch Infestation in Organic Barley Seed Production. In: Lammerts van Bueren, E.; Ranganathan, R. and Sorensen, N. (Eds.) Proc. of the The First World Conference on Organic Seed: Challenges and Opportunities for Organic Agriculture and the Seed Industry, FAO, p. 184.

Pinnschmidt, Dr. Hans O.; Nielsen, Bent J. and Hansen, Dr. Henrik J. (2004) Sygdom truer økologisk udsæd. [Disease threatens organic seeds.] Økologisk Jordbrug, 2004, 313 (24), p. 6.

Pinxterhuis, I. (2004) cliché: Biologisch is goed voor het milieu : ook in de biologische melkveehouderij moeten we scherp blijven op stikstofverliezen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (11), 12 - 13.

Plomp, M. (2004) cliché: eiwittekort op biologische melkveebedrijven : verschillende bedrijfsvoeringen tonen aan dat dit goed is op te lossen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (6), 14 - 15.

Polat, Muazzez and Sayan, Yilmaz (2004) Development of organic animal production in Turkey. Workshop at:

Pommeresche, Reidun (2004) Mangfold av edderkopper i jordbærfelt. [Diversity of spiders in strawberry fields, Norway.] Økologisk landbruk, 2, pp. 28-30.

Pommeresche, Reidun (2004) Surface-active spiders (Araneae) in ley and field margins. Norwegian Journal of Entomology, 51, pp. 57-66.

Poot, E.; Kipp, J.; Maas, B. Van Der; Roestel, A. Van; Weel, P. Van; Welles, G.; Wildschut, J.; Bethe, F.; Ruijs, M. and Dubbeldam, R. (2004) Innovatie voor intensivering. Praktijkonderzoek Plant & Omgeving, Naaldwijk, NL.

Prantl, Markus; Lardschneider, Ewald; Grapadelli, Luca Corelli and Kelderer, Markus (2004) Reduction of net photosynthesis after blossom: a possibility to control alternate bearing in organic orchards? [Reduktion der Photosyntheseleistung in der Nachblüte: Eine neue Möglichkeit der Fruchtausdünnung in biologisch bewirtschafteten Obstanlagen?] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 217-221.

Prins, U. (2004) Graan erwten telen voor de korrel. Louis Bolk Instituut, Driebergen, NL.

Prins, U.; Zanen, M. and Burgt, G. (2004) Mestloze akkerbouw : Open teeltsysteem met laag bemestingsniveau is binnen handbereik. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (12), 42 - 43.

Prinz zu Löwenstein, Felix; Gerber, Alexander; Röhrig, Peter; Fiddicke, Ulrike and Pohl, Christian (2004) Entwicklung eines stufenübergreifenden Qualitätssicherungssystems für die ökologische Ernährungswirtschaft unter besonderer Berücksichtigung der Kommunikations- und Organisationsstrukturen. [Development of quality assurance system for the ecological food sector with special consideration of communicational and organisational structures.] Bund Ökologische Lebensmittelwirtschaft (BÖLW) e.V., Berlin .

Pronk, A. and Reuler, H. Van (2004) Uitwisselen van teelten helpt kwekers verder : biologische teelt. boomkwekerij : waarin opgenomen "De plantenbeurs", 2004, 17 (9), 12 - 13.

Proost, J. and Noorduyn, L. (2004) Onderzoek anders : praktijkvoorbeelden van de Wageningen aanpak. Innovatiecentrum Biologische Landbouw, Wageningen, NL.

Puumala, Maarit and Paasonen, Merja (2004) Exercise yards for dairy cows. In: Rønningen, Odd (Ed.) Technology for milking and housing of dairy cows, Nordic Association of Agricultural Scientists, NJF-Report, no. 337, pp. 112-116.

Quitzau, Maj-Britt (2004) Changing ideas of bodily cleanliness. Paper at: 6th International Summer Academy on Technology Studies. Urban Infrastructure in Transition: What can we learn from history?, Deutschlandsberg, Austria, July 11-17 2004.

Quitzau, Maj-Britt (2004) Danish bathroom stories – a socio-technical study of what the present renovation boom is about. Paper at: 4S & EASST Conference 2004: Public Proofs - Science, Technology and Democracy, Paris, 25-28th of August 2004.

Quitzau, Maj-Britt (2004) Kultur i badeværelset: om integrationen af kultur, teknologi og samfund. [Culture in the bathroom: On the interplay of culture, technology and society.] NordNytt (90), pp. 135-150.

Quitzau, Maj-Britt; Moeller, Jacob and Magid, Jakob (2004) Attitudes towards utilization of composted domestic waste, sludge, urine and faeces as manure in agriculture. National Environmental Research Institute of Denmark, Dept. of Policy Analysis .

Raay, C. Van (2004) Multifunctioneel : Jan Duijndan: "Duurzame financiering is essentieel" : 75 jaar 1929 2004 Aver Heino. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (10), p. 17.

Raay, C. Van (2004) "Onderscheidend en uniek" : Willem Muller en Wichert Koopman over het bestaansrecht van jubilerend Aver Heino : 75 jaar 1929 2004 Aver Heino. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (10), 12 - 14.

Raay, C. Van (2004) Toegevoegde waarde : Johan Martens: "Met 5.000 liter per koe ben ik tevreden" : 75 jaar 1929 2004 Aver Heino. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (10), p. 15.

Raay, C. Van (2004) Totaal onafhankelijk : André Mulder: "Netto houden we evenveel over" : 75 jaar 1929 2004 Aver Heino. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (10), p. 16.

Rahmann, Gerold (2004) Gehölzfutter - eine neue Quelle für die ökologische Tierernährung. [Leaves from shrubs and trees - a new source for organic animal feeding.] In: Rahmann, Gerold and van Elsen, Thomas (Eds.) Naturschutz als Aufgabe des Ökologischen Landbaus. Sonderhefte der Landbauforschung Völkenrode, no. 272. Bundesforschungsanstalt für Landwirtschaft (FAL), pp. 29-42.

Rahmann, Gerold (2004) Möglichkeiten und Grenzen der Nutzung des Unterwuchses von hängigen Streuobstwiesen durch Ziegen. [Possibilities and limitations of the utilisation of grassland on scattered orchards with goats.] In: Quo vadis Streuobst?. Naturschutzbund, pp. 52-85.

Rahmann, Gerold; Nieberg, Hiltrud; Drengemann, Susanne; March, Solveig; Fenneker, Alois and Zurek, Christina (2004) Bundesweite repräsentative Erhebung und Analyse der verbreiteten Produktionsverfahren, der realisierten Vermarktungswege und der wirtschaftlichen sowie sozialen Lage ökologisch wirtschaftender Betriebe und Aufbau eines bundesweiten Praxis-Forschungs-Netzes. [Nationwide representative survey and analysis of widespread production methods, marketing structures as well as the economic and social situation of organic farms and establishment of a research-organic farming-network.] Bundesforschungsanstalt für Landwirtschaft (FAL).

Rahmann, Gerold (Hrsg.) (2004) Bericht des Instituts für ökologischen Landbau der FAL 2004. [Annual Report of the Institute of Organic Farming of the FAL 2004.] Jahresbericht 2004. Bundesforschungsanstalt für Landwirtschaft (FAL) , Institut für ökologischen Landbau (OEL).

Rasmussen, I. (2004) Spildfrø af vinterraps - er det et problem for økologerne? [Volunteer oilseed rape - is it a problem for organic farmers?] Månedsmagasinet Mark, January 2004 (1), p. 55.

Rasmussen, I. (2004) Tema-artikler om økologisk forskning. [Thematic articles on organic farming research.] Økologisk Jordbrug, February 2004, 24 (307), p. 6.

Rasmussen, I. (2004) Temasider om forskning i økologisk jordbrug. [Thematic webpages on research in organic agriculture.] FØJOenyt (1).

Rasmussen, I. and Askegaard, M. (2004) Crop rotation limits Canada thistle, but not Couch grass or annual weeds. DARCOFenews (4).

Rasmussen, I. and Askegaard, M. (2004) Ukrudtets udvikling i de økologiske sædskifteforsøg. [The development of weeds in the Danish organic crop rotation experiments.] FØJOenyt (6).

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2004) Økologiske sædskifter til korn - kan produktionen øges? [Organic crop rotations for cereal production - is it possible to increase the yield?] Forskningsnytt om økologisk landbruk i Norden (4), pp. 16-18.

Rasmussen, Ilse A. (2004) The effect of sowing date, stale seedbed, row width and mechanical weed control on weeds and yields of organic winter wheat. Weed Research, 44 (1), pp. 12-20.

Rasmussen, Ilse A. (2004) Svært at holde kvikken i skak. Økologisk Jordbrug, April 2004, 24 (311), p. 6.

Rasmussen, Ilse A. (2004) Weed management in organic cropping systems. In: Goodman, Robert M. (Ed.) Encyclopedia of Plant and Crop Science. Marcel Dekker Inc., pp. 1-4.

Rasmussen, Ilse A. and Holst, Niels (2004) Computer model for simulating the long-term dynamics of annual weeds. In: Cloutier, Daniel C. and Ascard, Johan (Eds.) Proceedings of the 6th EWRS Workshop on Physical and Cultural Weed Control, CD-ROM, Europeon Weed Reserach Society, p. 69.

Rasmussen, Ilse A.; Melander, Bo; Hansen, Preben Klarskov and Holst, Niels (2004) Langsigtet balance i ukrudtsbestanden. [Long-Term balance in the weed population.] In: Seminar om Planteværn 2004, Landbrugsafgrøder, Dansk Landbrugsrådgivning, Landcentret, Planteavl, pp. 12-15.

Rasmussen, Ilse A.; Thomsen, Henning C. and Melander, Bo (2004) Erfaringer med kvikbekæmpelse på Jyndevad Forsøgsstation. In: Sørensen, Henning Laen (Ed.) Månedsmagasinet Mark, Dansk Landbrugs Medier (1).

Rasmussen, Ilse A.; Østergård, Hanne; Willas, Jakob; Nielsen, Niels Erik; Hansen, Preben Klarskov; Hovmøller, Mogens and Backes, Gunter (editor): Rasmussen, Ilse A. (Ed.) (2004) Hvad er en god vårbyg til økologisk jordbrug? Danish Institute of Agricultural Sciences , Dept. of Crop Protection.

Rasmussen, Ilse Ankjær; Holst, Niels; Graglia, Enrico; Hansen, Preben Klarskov; Melander, Bo; Mathiassen, Solvejg Kopp; Kudsk, Per; Jensen, Peter; Boelt, Birte and Madsen, Katrine Hauge (2004) Ukrudtsøkologi og -biologi. In: Ukrudtsbogen. Danmarks JordbrugsForskning, chapter 2, pp. 19-42.

Rasmussen, Jesper (2004) Are we making progress in mechanical weed control research? Speech at: 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 8-10 March 2004.

Rasmussen, Jesper (2004) Are we making progress in mechanical weed control research? In: Proceedings 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 115-122., pp. 115-122.

Rasmussen, Jesper (2004) Falsk såbed sparer tid til roehakning. [False seed bed reduces manual weeding.] Økologisk Jordbrug, April 2004, 24 (311), p. 8.

Rasmussen, Jesper; Kurtzmann, J.I. and Jensen, A. (2004) Tolerance of competitive spring barley cultivars to weed harrowing. Weed Research, 44, pp. 446-452.

Rasmussen, Jim and Høgh-Jensen, Henning (2004) Origin and composition of Dissolved Organic C and N from grass-clover mixtures. Poster at: Cost Action 627 - Carbon Storage in European grasslands, Ghent, Belgium, June 3-6 2004. [Unpublished]

Rasmussen, Scientist Karsten and Melander, Scientist Bo (2004) Radrensere med automatpilot er godt på vej. Ny Viden fra Miljøstyrelsen nr. 1 - 15 januar 2004, 77-81., January 2004, pp. 77-81.

Rasmussen, L.B. and Nielsen, T. (2004) Entrepreneurial Capabilities:combining knowing and action. AI & Society, 18 (2), pp. 100-113.

Rasmussen, L.D.; Møller, J. and Magid, J. (2004) Composting rapidly degrades DNA from genetically modified plants. DARCOFenews (2).

Raussi, Satu and Kaihilahti, Jutta (2004) Cow welfare aspects in automatic milking systems. In: Rønningen, Odd (Ed.) NJF Report, Nordic Association of Agricultural Scientists (337), pp. 71-76.

Ravn, Helle Weber; Christensen, Trine F.; Pedersen, Hanne Lindhard; Brandt, Kirsten; Diedrichsen, Birgitte; Kristensen, Charlotte V.; Jensen, Anders K.; Husted, Carina L. and Andersen, Jan Buch (2004) Plant Biomarker Pattern, Apples grown with various availability of organic nitrogen and with or witout the use of pesticides. In: 11th International Conference on Cultivation technique and Phytopathological in Organic Fruit-Growing.

Ravnskov, Sabine; Jensen, Birgit; Nielsen, Steen Lykke and Larsen, John (2004) Quantification of root fungi using signature fatty acids. Poster at: Rhizosphere Congress, Perspectives and Challenges – a tribute to Lorenz Hiltner”, September 12-17, 2004, Munich, Germany, Munich, Germany, September 12-17, 2004. [Unpublished]

Recke, Guido and Hamm, Ulrich (2004) Daten- und Informationsmanagement im ökologischen Landbau in Europa - EISfOM ein Projekt zum Aufbau eines Informationssystems für ökologische Märkte. [Data and information management in organic agriculture in Europe - EISfOM: A project aiming at building an information system for organic markets.] In: Schiefer, G.; Wagner, P.; Morgenstern, M. and Rickert, U. (Eds.) Integration und Datensicherheit - Anforderungen, Konflikte und Perspektiven, Referate der 25. GIL Jahrestagung 08.- 10. September 2004 in Bonn, Germany. Lecture Notes in Informatics (LNI) - Proceedings. Series of the Gesellschaft für Informatik (GI), no. 49. Gesellschaft für Informatik (GI), DE-Bonn, pp. 201-204.

Recke, Guido; Hamm, Ulrich; Lampkin, Nicolas; Zanoli, Raffaele; Vitulano, Susanna and Olmos, Santiago (2004) Report on proposals for the development, harmonisation and quality assurance of organic data collection and processing systems (DCPS). EISFOM-Report. European Information System for Organic Markets (EISFOM) // University of Kassel - Agricultural and Food Marketing, Germany .

Redelberger, Hubert (2004) Management-Handbuch für die ökologische Landwirtschaft – Betriebswirtschaftliche Instrumente und Beispiele sowie Daten und Informationen für Analyse, Planung und Steuerung. [Management - Handbook for Organic Farming.] DE-Guxhagen .

Redelberger, Hubert and Reimann, Stefanie (2004) Betriebszweig Milchviehhaltung. [Milk production.] . Online at http://www.ktbl.de/oekolandbau/index.htm.

Redelberger, Hubert (Hrsg.) (2004) Management-Handbuch für die ökologische Landwirtschaft: Verfahren - Kostenrechnungen - Baulösungen. [Management-Handbook for Organic Farming.] KTBL-Schrift, no. 426. Kuratorium für Technik und Bauwesen in der Landwirtschaft e. V. (KTBL), Darmstadt.

Refsgaard, Karen; Ebbesvik, Martha; Rogneby, Tor Johannes; Rogstad, Berit and Staven, Kjell (2004) ØkologiPlan - Økonomisk planleggingsverktøy for økologisk korn- og kjernebelgvekstdyrking. [EcologyPlan - Economic planning tool for organic grain and legume growing.] In: Jord- og plantekultur 2004. Grønn kunnskap, Planteforsk (Norwegian Crop Research Institute), 8 (2), Grønn kunnskap, pp. 72-85.

Refsgaard, Karen; Rogneby, Thor Johannes; Staven, Kjell; Ebbesvik, Martha; Rogstad, Berit and Knutsen, Heidi (2004) ØkologiPlan – Utvikling av planleggingsverktøy for økologisk korn- og kjernebelgvekstproduksjon. NILF-report, no. 4. Norwegian Agricultural Economics Research Institute .

Reinbrecht, Carsten and Claupein, Wilhelm (2004) Vergleich der Anbaueignung verschiedener Ölpflanzenarten und -sorten für den Ökologischen Landbau unter den Aspekten Speiseölgewinnung und Eiweißquelle (Zwischenbericht). [Comparing the cultivation suitability of different oil plant species and varieties for the production of edible oil and protein in organic farming (Interim Report).] Universität Hohenheim, Institut für Pflanzenbau und Grünland , Fachgebiet Allgemeiner Pflanzenbau.

Reinbrecht, Dr. Carsten; Barth, Dr. Susanne; von Witzke-Ehbrecht, Dr. Sabine; Khan, Muhammad Awais; Becker, Prof. Dr. Heiko C.; Kahnt, Prof. Dr. Günter and Claupein, Prof. Dr. Wilhelm (2004) Evaluierung von Saflor-Akzessionen für den Ökologischen Landbau. [Evaluation of accessions of safflower for a use in organic farming.] In: Hammer, Prof. Dr. Karl and Becker, Prof. Dr. Heiko C. (Eds.) On-farm-Management von pflanzengenetischen Ressourcen im Rahmen der Pflanzenzüchtung, Gesellschaft für Pflanzenzüchtung e. V., 62, Vorträge für Pflanzenzüchtung, pp. 101-103.

Reinbrecht, Carsten and Claupein, Wilhelm (2004) Vergleich der Anbaueignung verschiedener Ölpflanzenarten und -sorten für den Ökologischen Landbau unter den Aspekten Speiseölgewinnung und Eiweißquelle. [Oil crops: comparison of the suitability for cultivation in organic agriculture for the provision of edible oil and protein sources.] Universität Hohenheim , Institut für Pflanzenbau und Grünland.

Rembiałkowska, Ewa (2004) The impact of organic agriculture on food quality. Agricultura (3), pp. 19-26.

Rémy, Éric (2004) Voyage en pays bio. Décisions Marketing, 07-17.

Rendtorff, Janne and Holm, Høgni (2004) Påvirkninger af ukrudt og sygdom på udbyttet af økologiske sortsblandinger. [The effects on yield of oprganically grown variety mixtures by weed and disease.] Thesis, Roskilde Universitetscenter , Hus 13.2. . [Unpublished]

Richter, Toralf (2004) „Are the organic consumer labels conveying the right message?“. Paper at: European Hearing on Organic Food and Farming - Towards a European Action Plan, Brussels, 22 January 2004.

Richter, Toralf (2004) Marketing organic products via European chains. Speech at: Biofach 2004, Nuremburg, 19.2.2004-22.2.2004. [Unpublished]

Richter, Toralf (2004) Results of the EISfOM project investigation into the current situation of data collection and processing. Speech at: 1st EISfOM Seminar Development of European Information Systems for Organic Markets - improving the availability, quality and comparability of statistical data, Germany, Berlin, 26.-27.04.2004.

Richter, Toralf (2004) Trends im Lebensmitteleinzelhandel. Mit Premium-Produkten Wechselkäufer gewinnen. Ökologie & Landbau (131), pp. 17-19.

Richter, Toralf; Bapst, Beat and Meili, Eric (2004) Warum sich Bio Weide-Beef so gut verkauft. [Organic beef - Bio-Weide-Beef.] Freiland-Journal (1), pp. 8-9.

Richter, Toralf and Hempfling, Gabriele (2004) Präsentation von Bioprodukten in Naturkostläden. [Presentation of Organic Prodcuts in Natural Food Shops.] Speech at: Biofach 2004; BioFach Kongress, Veranstaltung Präsentation von Bioprodukten im Naturkosthandel, Nürnberg, Messe, 21.2.2004.

Riemens, M.M.; Scheepens, P.C. and Weide, R.Y. Van Der (2004) Dormancy, germination and emergence of weed seeds, with emphasis on the influence of light : results of a literature survey. Note / Plant Research International 302.. Plant Research International, Wageningen, NL.

Rinne, Marketta; Nykänen, Arja; Nyholm, Laura; Hellämäki, Maria and Nousiainen, Juha (2004) Välj skördetidpunkten av rödklöver noggrant! Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Risku-Norja, H.; Mäenpää, I.; Koikkalainen, K.; Rikkonen, P. and Vanhala, P. (2004) Towards more ecoefficient food production: MFA approach. In: (Pre)Proceedings of the 6th European IFSA symposium, pp. 805-814.

Robertshaw, Paul and Hitchings, Roger (2004) Organic Horticultural Seed Trials in Wales. Organic Centre Wales .

Rodenburg, T.B. and Harn, J. Van (2004) Biologische vleeskuikenhouderij = Organic broiler husbandry. PraktijkRapport. Pluimvee 11. Animal Sciences Group, Praktijkonderzoek, Wageningen, NL.

Rodenburg, T.B.; Hulst-Van Arkel, M.C. Van Der and Kwakkel, R.P. (2004) Campylobacter and Salmonella infections on organic broiler farms. In: Rodent control strategies in organic farming. NJAS Wageningen journal of life sciences vol. 52, no. KLV, Wageningen, NL.

Roestel, A.J.J. Van and Amsing, J.G.M. (2004) Biologische teelt van champignons : verslag van resultaten 2002 en 2003. Praktijkonderzoek Plant & Omgeving, Sector Paddestoelen, Wageningen, NL.

Röver, D.L. (2004) Zegen - of doos van Pandora? : Panel van internationale wetenschappers vreest het ergste. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (2), 12 - 15.

Ruess, Franz (2004) Testing of the apple varieties ‘Topaz’ and ‘Rubinola’ on different rootstocks. [Optimale Unterlagen für ‘Topaz’ und ‘Rubinola’.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 144-149.

Rührer, J.; Friedel, J.K. and Freyer, B. (2004) N-Priming-Effekte bei gleichzeitiger Düngung mit Leguminosenschroten und Stallmistkompost im ökologischen Gemüsebau. In: Mitt. Deutsch. Bodenkdl. Ges., Ges. Bodenkunde, 103, pp. 39-40.

Rührer, J.; Friedel, J.K. and Freyer, B. (2004) Vegetabile Handelsdünger zur Jungpflanzenanzucht von Arznei- und Gewürzpflanzen (Salbei, Salvia off.; Liebstöckel, Levisticum off.) im biologischen Landbau. In: Manuskript zum Tagungsband zur Fachtagung Arznei- und Gewürzpflanzen 2004, Manuskript zum Tagungsband zur Fachtagung Arznei- und Gewürzpflanzen 2004.

Rührer, J.; Stemmer, M. and Friedel, J.K. (2004) Stickstoffmineralisierung aus vegetabilen Düngern in Kombination mit Mischkompost im Ökologischen Landbau. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 16, pp. 39-40.

Ruijs, M. (2004) Emissievrije kas. Wageningen UR, Wageningen, NL.

Ruitenbeek, B. Van (2004) macht van de boodschappentas. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (1), 15 - 16.

Røen, Dag; Hjeltnes, Stein Harald and Jaastad, Gunnhild (2004) Apple and Pear Cultivars for Organic Production in a Cool Climate. [Apfel- und Birnesorten für den organischen Anbau in klimatisch kühleren Gebieten.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 179-184.

Saal, J.J.C. (2004) Zijn er meer benaderingen dan die van Maria Thun? : Kosmische invloeden op het leven. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (4), 20 - 22.

Saal, J.J.C. and Pelgröm, J. (2004) Kiemen van de toekomst: Jaarverslag 2003 BD-Vereniging. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (3), 9 - 14.

Saaman, D. (2004) lichtkwaliteiten van goede melk : bespiegelingen over de liefde voor de koe. Vruchtbare aarde, 2004 (1), 20 - 23.

Saaman, D. (2004) Theater voor gevorderden: te gast op landgoed Rhederoord. Vruchtbare aarde, 2004 (2), 6 - 11.

Saastamoinen, Marketta; Hietaniemi, Veli; Pihlava, Juha-Matti; Eurola, Merja; Kontturi, Markku; Tuuri, Hannu; Niskanen, Markku and Kangas, Arjo (2004) ß-Glucan contents of groats of different oat cultivars in official variety, in organic cultivation, and in nitrogen fertilization trials in Finland. Agricultural and Food Science, 13 (1-2), pp. 68-79.

Sadikov, Aleksander; Kononenko, Igor and Weibel, Franco (2004) Analyzing Coronas of Fruits and Leaves. In: Korotkov, K. (Ed.) Measuring Energy Fields: State of the Science. Backbone Publishing.

Saïdou, A.; Kuyper, T.W.; Kossou, D.K. and Richards, P. (2004) Sustainable soil fertility management in Benin : learning from farmers. NJAS : Wageningen journal of life sciences / Royal Society for Agricultural Sciences, 2004, 52 (3/4), 349 - 369.

SALAME, Nadine (2004) Motivations towards farming in Lebanon: a comparison between organic and conventional farmers. [Les motivations des agriculteurs au Liban: une comparaison entre les agriculteurs conventionnels et biologiques.] Thesis, IAMB Mediterranean Agronomic Institute of Bari , Organic Farming. Collection Master of Science IAMB-CIHEAM (International Centre for advanced Mediterranean agronomic studies), no. 349. .

Samara, R.Y.; Zebitz, C.P.W. and Monje, J.C. (2004) Host age selection behaviour of Trichogramma aurosum Sugonjaev & Sorokina (Hymenoptera: Trichogrammatidae). [Selektion nach Wirtsalter durch Trichogramma aurosum Sugonjaev & Sorokina (Hymenoptera: Trichogrammatidae).] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 235-239.

Sanders, Jürn (2004) The future policy environment of organic farming and ist impact on the economic performance against the background of the ongoing trade liberalisation. In: Sarapatka (Ed.) Proceedings, p. 62.

Sanders, Jürn (2004) Risiken und Chancen für Europas Bio-Landbau. [Risks and Chances for European Organic Agriculture.] Ökologie & Landbau (129), pp. 30-33.

Sanders, Jürn; Schmid, Otto and Richter, Toralf (2004) Bio-Vermarktungsinitiativen in der Schweiz. Agrar Forschung (Argus Ref 17892115), p. 492.

Sanftleben, Peter (2004) Einige Aspekte der Fütterung von Milchkühen im ökologischen Landbau. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

SANS, Pierre; de FONTGUYON, Guy; SYLVANDER, Bertil; LE FLOC'H, Aude; AUERSALMI, M. and SCHMID, Otto (2004) Is it easy for producers to market organic beef meat ? The case of Biobourgogne Viande (France). Paper at: Socio-economic aspects of animal health and food safety in organic farming systems, Florence (Italy), 5-7 September 2003.

Santucci, Fabio M. and Antonelli, Annarita (2004) The role of public, non governmental and private actors for the development of organic farming: the Italian successful example. NEW MEDIT, III (2), pp. 42-49.

Saucke, H and Döring, Thomas F. (2004) Potato Virus Y reduction by straw mulch in organic potatoes. [Verminderung des Autretens von Kartoffelvirus Y durch Strohmulch in Biokartoffeln.] Annals of Applied Biology, 144, pp. 347-355.

{Project} Vermeidung von Viruserkrankungen (Möhrenröte) im Ökologischen Möhrenanbau: a) Status Quo Analysen, b) Entwicklung eines Virusnachweises und c) Erarbeitung von Strategien zur Lösung bestehender Probleme im Ökologischen Landbau. [Prevention of viral diseases in organic carrot cultivation: a) status quo analysis, b) identification of the viral agents involved, c) assessment of promising control strategies.] Runs 2002 - 2004. Project Leader(s): Saucke, Dr. Helmut, Universität Kassel .

Saucke, Helmut; Fittje, Susanne; Menzel, Wulf and Vetten, Heinrich-Josef (2004) Vermeidung von Viruserkrankungen (Möhrenröte) im Ökologischen Möhrenanbau: a) Status Quo Analysen, b) Entwicklung eines Virusnachweises und c) Erarbeitung von Strategien zur Lösung bestehender Probleme im Ökologischen Landbau. [Prevention of viral diseases in organic carrot cultivation: a) status quo analysis, b) identification of the viral agents involved, c) assessment of promising control strategies.] Universität Kassel , Ökologische Agrarwissenschaften, Fachgebiet Ökologischer Pflanzenschutz.

Savisalo, Leena (2004) The role of consumer in saving the cultural landscape in the countryside. Poster at: 6th European IFSA symposium, Vila Real, Portugal, 4-7 April, 2004.

Schaik, J. Van (2004) traditie van de biologisch-dynamische landbouw. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (2), 36 - 37.

Schans, D. Van Der (2004) Wortelonkruiden onder controle : Alleen rigoureuze maatregelen effectief. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (12), 20 - 21.

Schärer, Hans-Jakob; Amsler, Thomas; Fuchs, Jacques and Weibel, Franco (2004) Sensorische Untersuchung von Apfelsaft aus Behandlungsversuchen mit Biofa Cocana RF. [Sensorial Test of apple juice from application trials with Biofa Cocan PF.] Forschungsinstitut für biologischen Landbau FiBL, CH-5070 Frick , Pflanzenschutz: Pflanzenkrankheiten.

Scheepens, P.; Groeneveld, R. and Riemens, M. (2004) Invoer van onkruiden op een bedrijf. Nota / Plant Research International 283.. Plant Research International, Wageningen, NL.

Scheidler, Vivienne (2004) Die Bedeutung der Anzuchterde für die Pflanzenentwicklung. [The importance of the propagation medium for the development of plants.] . [Unpublished]

Schennink, F. (2004) Grond voor bd-landbouw. Dynamisch perspectief / Vereniging voor Biologisch-dynamische Landbouw, 2004 (1), 19 - 22.

Schiborra, Frau Anne; Spiekers, Herr Hubert; Verhoeven, Frau Anne; Pries, Herr Martin and Kempkens, Herr Karl (2004) Einfluss des Kraftfutterniveaus in der ökologischen Milchviehhaltung. [Influence of concentrate-level in Organic Dairy Farming.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Schieb-Bienfait, Nathalie (2004) L’analyse de filière biologique en question : étude comparative des processus de structuration des organisations en Région Pays de la Loire. Actes du congrès CIFEPME, Montpellier, France.

Schieb-Bienfait, Nathalie and Sylvander, Bertil (2004) Filière biologique et logiques d’action : éléments d’analyse des difficultés de structuration d’une filière régionale. Speech at: 13ème conférence internationale de l’AIMS, Normandie, Vallée de Seine, 2, 3, 4 juin 2004.

Schiess, Christophe and Schaedeli, Alfred (2004) Neuer Trend: Bio ohne Knospe. Bioaktuell, 2004, 6, pp. 4-5.

Schirmer, Raphaël (2004) La viticulture bio, une nouvelle modernité. Colloque franco-québécois, Des produits de qualité pour des paysages de qualité, Die (Drôme, France.

Schjønning, P. (2004) Alsidig drift godt for jordens poresystem. [Crop rotation effects on the soil pore system.] Økologisk Jordbrug, 2004 (323), p. 6.

Schjønning, P. (2004) Jordkvalitet, jordbrug og EU-planlægning af jordbeskyttelse – et eksempel på en proces med dansk indflydelse. Poster at: Danmark i Verden, Forskningscenter Foulum, 29. november 2004. [Unpublished]

Schjønning, P. (2004) Kompakt jord. Agrologisk Marken, February 2004 (2), pp. 16-18.

Schjønning, P. (2004) The soil quality concept as a tool for exposing values in science and promoting sustainability considerations. In: Kertész, A.; Kovács, A.; Csuták, M.; Jakab, G. and Madarász, B. (Eds.) Proceedings of the 4th International Congress of the ESSC, Hungarian Academy of Sciences, Geographical Research Institute, 1112 Budapest, Budaörsi út 45, Hungary, pp. 108-112.

Schjønning, P.; Elmholt, S. and Christensen, B.T. (2004) Managing Soil Quality - Synthesis. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality: Challenges in Modern Agriculture. CABI Publishing, Wallingford, UK, chapter 18, pp. 315-334.

Schjønning, P.; Elmholt, S. and Christensen, B.T. (2004) Soil Quality Management - Concepts and Terms. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality: Challenges in Modern Agriculture. CABI Publishing, Wallingford, UK, chapter 1, pp. 1-16.

Schjønning, P.; Iversen, B.V. and Jacobsen, O.H. (2004) Driftsformen har begrænset effekt på jordens evne til at holde på vandet. [Crop rotation and animal manuring only slightly influence the soil's water holding capacity.] FORSKNINGSNYTT om økologisk landbruk i Norden, 2004, 4, pp. 19-20.

Schjønning, P.; Iversen, B.V. and Jacobsen, O.H. (2004) Driftsformen har begrænset effekt på jordens evne til at holde på vandet. FORSKNINGSNYTT om økologisk landbruk i Norden, December 2004, 4, pp. 19-20.

Schjønning, P. and Munkholm, L.J. (2004) Organisk stof i jord - hvor meget er nok og hvor lidt er kritisk? . Online at http://www.foejo.dk/enyt2/enyt/april04/ostof.html.

Schjønning, P. and Munkholm, L.J. (2004) Soil organic carbon as an indicator of soil quality. DARCOFenews (3).

Schjønning, P.; Munkholm, L.J. and Elmholt, S. (2004) En bekvem jord: hvad betyder det og hvordan opnås det. [A good soil tilth: what does it mean and how to obtain it.] Speech at: Økologi-kongres 2004, Odense Kongrescenter, 16-17. November 2004.

Schjønning, P.; Munkholm, L.J. and Elmholt, S. (2004) Soil quality in organic farming - effects of crop rotation, animal manure and soil compaction. Poster at: EUROSOIL 2004, Freiburg, Germany, 6-10. September 2004.

Schlatter, Christian and Oehen, Bernadette (2004) Gentechnik in der Landwirtschaft - Räumliche Aspekte der Koexistenz in der Schweiz. [Genetic engineering and Agriculture - Spatial Aspects of Co-existence in Switzerland.] Forschungsinstitut für biologischen Landbau (FiBL), Frick .

Schmid, Andi (2004) Gesucht: Schweizer Biobeeren. [Increased demand for organic berries in Switzerland.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, p. 52.

Schmid, Andi; Daniel, Claudia and Weibel, Franco (2004) Effect of cultural methods on leaf spot (Mycosphaerella fragariae Tul.) incidence in strawberries. IOBC wprs Bulletin.

Schmid, Andi; Weibel, Franco; Allemann, Pius and Santini, Dino (2004) Sandwich-System - die Sache wird konkret. [The FiBL Sandwich System.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 41-42.

Schmid, Otto (2004) French study on Quality and Safety of Organic Food (AFSSA 2003 Evaluation nutritionnelle et sanitaire des aliments issus de l’agriculture biologique). Speech at: Biofach, D-Nürnberg, 20.02.2004.

Schmid, Otto; Sanders, Juern and Midmore, Peter (2004) Organic Marketing Initiatives and Rural Development. OMIARD Reports, no. 7. School of Management and Business, University of Wales, Aberystwyth.

Schmid, Otto; Sanders, Jürn and Midmore, Peter (2004) Organic Marketing Initiatives and Rural Development. OMIaRD Publication, no. Volume 7. University of Wales, Aberystwyth.

Schmid, Andi (2004) Biologischer Anbau von Strauchbeeren. FiBL-Merkblatt, no. 1. Auflage. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Schmid, Otto ; Hamm, Ulrich; Richter, Toralf and Dahlke, Andrea (2004) A Guide to Successful Organic Marketing Initiatives. Handbook. Research Institute of Organic Agriculture (FiBL), CH-Frick.

Schmidt, C. S.; Agostini, F.; Simon, A. M.; Whyte, J.; Townend, J.; Leifert, C.; Killham, K. and Mullins, C. (2004) Influence of soil type and pH on the colonisation of sugar beet seedlings by antagonistic Pseudomonas and Bacillus strains, and on their control of Pythium damping-off. European Journal of Plant Pathology, 110 (10), pp. 1025-1046.

Schmidt, C. S.; Agostini, F.; Leifert, C.; Killham, K. and Mullins, C. E. (2004) Influence of inoculum density of the antagonistic bacteria Pseudomonas fluorescens and Pseudomonas corrugata on sugar beet seedling colonisation and suppression of Pythium damping off. Plant and Soil, 265 (1-2), pp. 111-122.

Schmutz, Res (2004) Foliensammlung Biolandbau. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick , Frick.

Schmutz, Res; Koller, Martin; Morgner, Marion; Fichtenbusch, Lars and Puffarth, Souila (2004) Fruchtfolge-Planer. [Rotation planning tool.] , Frick.

Schmutz, Ulrich; Firth, Chris; Rayns, Francis and Rahn, Clive (2004) Can N Use and Farm Income be Optimized for Organic Field Vegetable Rotations in Europe? [Kann die N Nutzung und das Betriebseinkommen optimiert werden fuer organische Feldgemuese Fruchtfolgen in Europa?] Organic Farming, BGS Symposium No. 37. p. 200-203, 37, pp. 200-203.

Schmutz, Res (2004) Kaninchenhaltung. FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Scholten, O. (2004) Aanvullende benaderingen voor het Aarfusarium-probleem in zomertarwe. Plant Research International, Wageningen, NL, , UR.

Schooten, H. Van and Bleeker, P. (2004) Onkruid bestrijden in maïs : een kwestie van timing : 75 jaar 1929 2004 Aver-Heino. Veehouderij Techniek, 2004, 7 (2), 24 - 25.

Schooten, H.A. and Bleeker, P.O. (2004) Mechanische onkruidbestrijding in snijmais op zandgrond = Mechanical weed control in forage maize on sandy soil. PraktijkRapport / Animal Sciences Group, Praktijkonderzoek. Rundvee 49. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Schrage, Reiner and Terhoeven-Urselmans, Andrea (2004) Erprobung und Vergleich von Pflanzenstärkungsmitteln an Zierpflanzen im Freiland und unter Glas unter besonderer Berücksichtigung von bioenergetischen und homöopathischen Verfahren. [Test and comparison of plant restorative appliances on ornamental plants in open land and greenhouses with particular consideration of bioenergetic and homeopathic methods.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Schramek, Jörg and Schnaut, Gitta (2004) Hemmende und fördernde Faktoren einer Umstellung auf ökologischen Landbau aus Sicht landwirtschaftlicher Unternehmer/innen in verschiedenen Regionen Deutschlands (unter Einbeziehung soziologischer Fragestellungen). [Supporting factors and restraints influencing farm managers’ decision against or in favour of a conversion to organic farming.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Schramek, Jörg and Schnaut, Gitta (2004) Motive der (Nicht-)Umstellung auf Öko-Landbau. Ökologie & Landbau, 3/2004 (3), pp. 44-66.

Schreuder, R. and Voort, M.P.J. Van Der (2004) Biologische teelt en certificatie in de landbouw. Praktijkonderzoek Plant & Omgeving, Sector AGV/Bloembollen en bomen, Lelystad, NL.

Schumacher, Jörg; Farke, Antje and Sundrum, Albert (2004) Leitfaden für die praktische Umsetzung einer Freilandhaltung von Mastschweinen. [Manual for the implemention of free ranges for fattening pigs.] In: Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE) (Ed.) Ganzjährige Freilandhaltung von Mastschweinen als Fruchtfolgeglied in der Ökologischen Landwirtschaft. Universität Kassel. [Unpublished]

Schuster, Mirko (2004) Sour cherry breeding – Resistance to leaf spot diseases, Blumeriella jaapii. [Sauerkirschenzüchtung – Resistenz gegenüber der Sprühfleckenkrankheit, Blumeriella jaapii.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 169-173.

Sehested, Jakob; Søegaard, Karen; Danielsen, Viggo; Roepstorff, Allan and Monrad, Jesper (2004) Grazing with heifers and sows alone or mixed: herbage quality, sward structure and animal weight gain. Livestock Production Science, 88 (3), pp. 223-238.

Seppänen, Laura (2004) Discussion - cooperation in local organic food systems. In: Seppänen, Laura (Ed.) Local and organic food and farming around the Baltic Sea. Ekologiskt lantbruk, no. 40. Sveriges lantbruksuniversitet , Centrum för uthålligt lantbruk, chapter III, pp. 93-97.

Seppänen, Laura (2004) How to find and understand development problems and learning challenges in organic vegetable farming? Forskningsnytt om økologisk landbruk i Norden (2), pp. 22-23.

Seppänen, Laura (2004) Introduction. In: Seppänen, Laura (Ed.) Local and organic food and farming around the Baltic Sea. Ekologiskt lantbruk, no. 40. Sveriges lantbruksuniversitet , Centrum för uthålligt lantbruk, chapter I, pp. 5-9.

Seppänen, Laura (2004) Learning challenges in organic vegetable farming : an activity theoretical study of on-farm practices. Thesis, University of Helsinki . .

Seppänen, Laura and Helenius, Juha (2004) Do inspection practices in organic agriculture serve organic values? A case study from Finland. Agriculture and Human Values, 21 (1), pp. 1-13.

Serenius, Timo (2004) Genetics of sow efficiency in the Finnish landrace and large white populations. Thesis, MTT Agrifood Research Finland . Agrifood Research Reports, no. 55. .

Seuri, P. (2004) Nitrogen balance and self-sufficiency on dairy cattle farms in northern conditions. In: The International school-conference plant cultivation in the European North: the present situation and the prospects dedicated to the 50th anneversary of the Department of Agriculture and Soil Science, the Pedrozavodsk State University, pp. 191-192.

Seuri, Pentti (2004) Recycling is a must! Forskningsnytt om økologisk landbruk i Norden (1), pp. 30-31.

Sieglerschmidt, Eike (Landwirtschaftskammer Hannover); Krömker, Volker (Landwirtschaftskammer Hannover) and Volling, Otto (Kompetenzzentrum Ökolandbau Niedersachsen) (editor): Landwirtschaftskammer Hannover (Ed.) (2004) Untersuchungsvorhaben in der Ökologischen Rindviehaltung in Niedersachsen 2002 - 2003. [Research results in organic dairy farming in Lower Saxony in 2002-2003.] .

Silva, Roberval; Almeida, Paul; Silveira, Luciano and Melo, Mariane (2004) A pamonhada na casa de Dona Nenê: agricultura familiar construindo a segurança alimentar no semi-árido. [Home of Dona Nenê: small farmers that construct the food security of semi-árido.] Revista Agriculturas: experiências em Agroecologia, 1, pp. 17-21.

Simantke, C.; Aubel, E. and Hörning, B. (2004) Tiergerechtheit auf ökologischen Milchviehbetrieben. In: Tagungsband 11. Freiland/ 17. IGN-Tagung: Auf dem Weg zu einer tiergerechteren Haltung, Bio Austria.

Simonsen, Vibeke; Damgaard, Christian and Kjellsson, Gösta (2004) Contamination of oilseed rape varieties by pollen and seeds. DARCOFenews (3).

Simonsen, Vibeke and Kjellsson, Gösta (2004) Metoder til påvisning af uønsket plantemateriale i afgrøder og frøpartier. In: Tools for protection against contamination by GMO. Danmarks Miljøundersøgelser , Afd. for Terrestrisk Økologi, pp. 1-30. [Unpublished]

Smolders, E.A.A. (2004) Voldoende vitaminen : gezonde koeien zonder toevoegingen. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (15), p. 63.

Smolders, G. (2004) cliché: goede uiergezondheid kan niet zonder antibiotica : voorkómen is nog altijd beter dan genezen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (5), 14 - 15.

Smolders, G. (2004) Leeftijd biologische koeien. Louis Bolk Instituut, Driebergen, NL.

Smolders, G. (2004) Uiergezondheid : preventief werken voor biologische veehouders halszaak. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (8), p. 59.

Smolders, G. and Kan, K. (2004) Kunnen biologische herkauwers zonder synthetische vitaminen. Praktijkkompas. Rundvee, 2004, 18 (2), 2 - 3.

Smolders, G. and Vliet, J. Van (2004) Ene kiem stuwt celgetal hoger op dan de andere : Geen verschil tussen biologische en gangbare koe. V-focus : vakblad voor adviseurs in de dierlijke sector, 2004, 1 (decemb), 22 - 23.

Smolders, G. and Vliet, J. Van (2004) Uiergezondheid op Bioveem-bedrijven van 2001 t/m 2003. Rapport / Bioveem 6.. Animal Sciences Group, Divisie Praktijkonderzoek, Lelystad, NL.

Smolders, G.W.; Baars, T.; Sol, J.; Wemmenhoven, H.; Plomp, M.; Ellinger, L. and Plomp, J. (2004) Handboek uiergezondheid "Voorkomen is beter dan genezen" : behandelen vanuit een biologische benadering. Praktijkboek 40.. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Snoek, B. and Schuring, W. (2004) Bedrijfseconomische berekeningen biologische boomteelt op veengrond. Praktijkonderzoek Plant & Omgeving, Sector Bomen, Boskoop, NL.

Sommer, Sven G. and Hansen, Martin N. (editor): Laustsen, Michael (Ed.) (2004) Ammoniakfordampning fra udbragt gylle. [Ammonia emission following slurry application.] Grøn Viden Markbrug, no. 303. Danmarks JordbrugsForskning .

Speiser, Bernhard (2004) Jetzt kommt die Röstikartoffel. [Potatoe varieties for Swiss "Rösti".] Bioaktuell, 4/04, pp. 10-11.

Speiser, Bernhard; Amsler, Thomas and Tamm, Lucius (2004) Versuche 2003 mit neuen Kartoffelsorten für den Biolandbau. [New Potato Varieties for Organic Farming - Trials 2003.] Unveröffentlichter Bericht. Forschungsinstitut für biologischen Landbau, Frick, Schweiz .

Speiser, Bernhard; Amsler, Thomas and Tamm, Lucius (2004) Versuche 2003 zum biologischen Anbau alter Kartoffelsorten. [Trials on the Organic Cultivation of Old Potatoe Varieties in 2003.] Unveröffentlichter Bericht. Forschungsinstitut für biologischen Landbau, Frick, Schweiz .

Speiser, Bernhard; Dierauer, Hansueli; Berner, Alfred and Tamm, Lucius (2004) Biokartoffeln. Länderausgabe Schweiz. [Organic potato production.] Merkblatt. Forschungsinstitut für biologischen Landbau, Frick, Frick.

Spengler Neff, Anet (2004) Die Ausprägung arttypischer Eigenschaften beeinflusst die Gesundheit. Ökologie & Landbau, 131 (3), p. 43.

Spiller, Achim; Enneking, Ulrich and Lüth, Maren (2004) Analyse des Kaufverhaltens von Selten- und Gelegenheitskäufern und ihrer Bestimmungsgründe für/gegen den Kauf von Öko-Produkten. [Infrequent and occasional buyers of organic products.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Spitaler, Renate; Marschall, Klaus; Zidorn, Christian; Kelderer, Markus; Zelger, Roland and Stuppner, Hermann (2004) Apple scab control with grapefruit seed extract: no alternative to chemical fungicides. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 208-211.

Spits, H.G. and Schepers, H.T.A.M. (2004) Effect van rijsnelheid bij loofbranden op de doding van Phytophthora infestans. Praktijkonderzoek Plant & Omgeving, Sector AGV, Lelystad, NL.

Spranger, Jörg (2004) Lasst den Kühen ihre Hörner! [Let the cows with their horns.] Zeitlupe (7/8 2004), p. 21.

Spranger, Jörg (2004) Verum und Placebo als materielle Träger der Erwartung von Heilung. [Verum and placebo the material medium of expectation of healing.] Paper at: Vets 2004, Davos Congress, Davos, 8.-10.Sep. 2004. [Unpublished]

Spruijt, J.; Wees, N. Van and Wenneker, M. (2004) Belevingslandbouw : maatschappelijke kaders 'de smaak van morgen'" : eindrapport. Praktijkonderzoek Plan & Omgeving BV, Wageningen, NL.

Spruijt-Verkerke, J.; Schoorlemmer, H.; Woerden, S. Van; Peppelman, G.; Visser, M. De and Vermeij, I. (2004) Duurzaamheid van de biologische landbouw : prestaties op milieu, dierenwelzijn en arbeidsomstandigheden. PPO nr. 328. Praktijkonderzoek Plant en Omgeving, Business-unit Akkerbouw, Groente en ruimte en Vollegrondsgroente, Wageningen, NL.

Stagsted, Jan and Nielsen, Jacob H. (2004) Purification of glutathione-binding proteins from bovine milk and identification of glutathione S-transferase. Working paper. [Unpublished]

Starz, Walter (2004) Überprüfung ausgewählter Körner- und Futtererbsensorten im Biologischen Landbau hinsichtlich ihrer Anbaueignung im Pannonikum und ihres Futterwertes. [Verification of selected green and field pea varieties in organic farming regarding to their cultivation suitability in the pannonical region and their feeding value.] Thesis, Universität für Bodenkultur, Wien , Institut für Ökologischen Landbau. .

Steinshamn, Håvard; Bleken, Marina Azzaroli and Hansen, Sissel (2004) Lite nitrogentap fra mjølkegarder som baserer seg på egen fôrprodukjson. [Minor nitrogen losses from dairy farms based on feed self-sufficiency.] Forskningsnytt om økologisk landbruk i Norden, 2004 (2), pp. 3-6.

Steinshamn, Håvard; Thuen, Erling; Bleken, Marina Azzaroli; Brenøe, Ulrik Tutein; Ekerholt, Georg and Yri, Cecilie (2004) Utilization of nitrogen (N) and phosphorus (P) in an organic dairy farming system in Norway. Agriculture, Ecosystems & Environment, 104 (3), pp. 509-522.

Stidsen, A.N. and Tybirk, K. (2004) Gamle hegn bevarer skovbundsurter. Skoven, 2004, 11, pp. 482-484.

Stidsen, A.N. and Tybirk, K. (2004) Dispersal and habitat quality as constraining factors for herbaceous forest species in an ancient hedgerow network. [Unpublished]

Stieß, Immanuel (2004) Wer kauft Bio-Lebensmittel - und warum? Ökologie & Landbau, 131 (3/2004), pp. 25-27.

Stijger, H. (2004) Handig, sneller en een betere verdeling: nieuwe uitzetmethode biologische bestrijder. Onder glas, 2004, 1 (2), p. 27.

Stolze, Matthias (2004) EU-Osterweiterung. Bio-Bauern müssen sich auf zunehmenden Preisdruck einstellen. [EU-enlargement: Farmers will be facing increased pressure on farm level prices.] Ökologie & Landbau (129), pp. 28-29.

Stolze, Matthias (2004) Konkurrenz aus dem Osten? [Competition from the East ?] Bioland (2), pp. 42-43.

Strassner, Carola; Roehl, Rainer; Erhart, Anja and Neuendorff, Jochen (2004) Entwicklung eines Standardkontrollprogramms mit Leitfaden nach VO (EWG) Nr. 2092/91 für Einrichtungen der Außer-Haus-Verpflegung (AHV). [Development of a standard organic certification programme with manual according to the EU Regulation Nr. 2092/91 for foodservice enterprises.] Bundesanstalt für Landwirtschaft und Ernährung , Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bonn.

Strüber, Klaus (2004) Arbeitspferde im biologisch-dynamischen Gemüsebau - Zusammenfassung einer Projektarbeit. [Work horses in biodynamic gardening - Summary of a project.] Starke Pferde, 29 (01/2004), pp. 12-15.

Strudsholm, Karin (2004) Slagtekvalitet og sygdomsfund hos økologiske slagtesvin. Grøn Viden, Husdyrbrug (38), pp. 1-8.

Strudsholm, Karin and Hermansen, John E. (2004) Opdrætningsstrategier for økologiske svin - produktion og slagtekvalitet. Grøn Viden, Husdyrbrug (37), pp. 1-6.

Stumm, Christoph (2004) Wie „teuer“ sind Bio-Lebensmittel? ÖKOLOGIE&LANDBAU, 132 (4), pp. 45-46.

Sukkel, W. (2004) Ecological crop protection in organic farming systems. Applied Plant Research, Lelystad, NL.

Sukkel, W. (2004) Good agricultural practice in organic farming. Applied Plant Research, Lelystad, NL.

Sukkel, W. (2004) Technische innovaties bij biologische ondernemers : Efficiënte oplossingen voor praktische problemen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (12), 10 - 13.

Sukkel, W.; Leeuwen-Haagsma, W.K. Van and Wijnands, F.G. (2004) Zeven teelten in de praktijk : teelthandleiding voor biologisch geteelde gewassen. PPO 321.. Praktijkonderzoek Plant & Omgeving, Sector Akkerbouw, Groene Ruimte en Vollegrondsgroenteteelt, Lelystad , NL.

Sumption, Phil (2004) Conversion to Organic Field Vegetable Production (Phase 2). Henry Doubleday Research Association .

Sundrum, Albert; Benninger, Tina and Richter, Uwe (2004) Statusbericht zum Stand der Tiergesundheit in der Ökologischen Tierhaltung - Schlussfolgerungen und Handlungsoptionen für die Agrarpolitik. [Status Quo of animal health in organic animal husbandry - conclusions and options for action in agricultural politics.] Fachbereich Ökologische Agrarwissenschaften, Universität Kassel , Fachgebiet Tierernährung und Tiergesundheit.

Sundrum, Prof. Dr. Albert; Kulig, Boris; Rübesam, Karin; Henning, M.; Bütfering, L. and Hoppenbrock, K.-H. (2004) Auswirkungen der Rohproteinversorgung auf die Qualität von Schweinefleisch. [The effect of different amounts of amino acids on the quality of pig meat.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel, pp. 1-4.

Sundrum, Albert; Ebke, Marlene and Richter, Uwe (2004) Qualitätssicherung und Verbraucherschutz bei ökologisch erzeugtem Schweinefleisch. [Quality assurance and customer protection with organic pork.] Universität Kassel, Fachbereich Ökologische Agrarwissenschaften , Fachgebiet Tierernährung und Tiergesundheit.

Surböck, A.; Gollner, M.; Heinzinger, M.; Friedel, J.K. and Freyer, B. (2004) Auswirkungen unterschiedlicher Düngungssysteme im Ökologischen Landbau auf Bodenparameter und Entwicklung der Pflanzen. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 16, pp. 155-156.

Surböck, A.; Ledermüller, J.; Schiessendoppler, E.; Friedel, J.K. and Freyer, B. (2004) Auswirkungen unterschiedlicher Vorfruchtkombinationen aus Haupt- und Zwischenfrucht auf Ertrag und Auftreten von Schaderregern im ökologischen Kartoffelbau. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 16, pp. 43-44.

Sylvander, B.; Schieb-Bienfait, N.; Le Floch-Wadel, O. and Couallier, C. (2004) The strategic turn of Organic Farming in Europe : a resource based approach of Organic Marketing Initiatives. Paper at: XI World Congress of Rural Sociology, Trondheim, Norway, July 25-30, 2004. [In Press]

Sylvander, Bertil; François, Martine; Persillet, V. and Syrieix, L. (2004) Compétences des consommateurs et fidélisation sur un marché à forte incertitude : un dispositif original d’apprentissage dans le cas de l’Agriculture Biologique. Speech at: colloque « Distribution, achat, consommation, Dijon, 4-5 novembre 2004.

Sylvander, Bertil and Kristensen, Niels Heine (2004) Organic Marketing Initiatives in Europe. Aberystwyth.

Søegaard, Karen (2004) Leder-følge system til græssende køer. FØJOenyt (2).

Søegaard, Karen (2004) Nyt afgræsningssystem virker. Økologisk Jordbrug, 2004 (310), p. 6.

Sørensen, Poul; Danell, Brigitte; Brenøe, Ulrik and Tuiskula-Haavisto, Maria (2004) A review of Poultry Breeding stock in the Nordic Countries. Nordisk Genbank Husdyr. Nordisk Genbank Husdyr .

Tamm, L.; Fuchs, J.G.; Böger, N.; Mühletaler, L.; Amsler, A.; Levite, D. and Häseli, A. (2004) Eigenschaften von Tonerdepräparaten: Erfahrungen aus der Schweiz. [Properties of acidified clay preparations: the Swiss experience.] Paper at: Internationales Symposium für ökologischen Weinbau. Intervitis Stuttgart, Stuttgart, 12.-13. Mai 2004. [Unpublished]

Tamm, L.; Smit, A.B.; Hospers, M.; Janssens, S.R.M.; Buurma, J.S.; Molgaard, J.-P.; Laerke, P.E.; Hansen, H.H.; Hermans, A.; Boedker, L.; Bertrand, C.; Lambion, J.; Finckh, M.R.; Schüler, Chr.; Lammerts van Bueren, E.; Ruissen, T.; Nielsen, B.J.; Solberg, S.; Speiser, B.; Wolfe, M.S.; Phillips, S.; Wilcoxon, S.J. and Leifert, C. (2004) Assessment of the Socio-Economic Impact of Late Blight and State of the Art of Management in European Organic Potato Production Systems. FiBL Report. Research Institute of Organic Agriculture FiBL, Frick, Switzerland.

Tamm, Lucius; Amsler, Thomas; Böger, N. and Fuchs, Jacques G. (2004) Die Wirkung von Myco-Sin gegen den Apfelschorf in Abhängigkeit der Schwefelformulierung. [Effects of Myco-Sin against apple scab.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 31-34.

Tamm, Lucius; Häseli, Andreas; Fuchs, Jacques G.; Weibel, Franco and Wyss, Eric (2004) Organic fruit production in humid climates of Europe: Bottlenecks and new approaches in disease and pest control. In: Bertschinger, L. and Andersson, J.D. (Eds.) ISHS Acta Horticulturae 638: XXVI International Horticultural Congress: Sustainability of Horticultural Systems in the 21st Century. Toronto, Canada. International Society for Horticultural Science. Leuven, Belgium.

Tamm, L.; Smit, A. B.; Hospers, M.; Janssens, S.R.M.; Buurma, J.S.; Molgaard, J.-P.; Laerke, P.E.; Hansen, H. H.; Hermans, A.; Bodker, L.; Bertand, C.; Lambion, J.; Finckh, M.R.; Schüler, Chr.; Lammerts van Bueren, E.; Ruissen, T.; Nielsen, B. J.; Solberg, S.; Speiser, B.; Wolfe, M. S.; Phillips, S.; Wilcoxon, S. J. and Leifert, C. (2004) Assessment of the Socio-Economic Impact of Late Blight and State-of-the-Art Management in European Organic Potato Production Systems. Research Institute of Organic Agriculture (FiBL), CH-Frick .

Tchékémian, Anthony (2004) Le programme français de développement rural: Entre démarches de qualité et diversification,<br />une ressource territoriale à l'épreuve des faits. Working paper.

Teenstra, E. (2004) Kraamkamer van duurzaamheid : de innovatieve kracht van biologische landbouw voor verduurzaming van de gangbare landbouw. Innovatiecentrum Biologische Landbouw, Wageningen, NL.

Terhoeven-Urselmans, Andrea (2004) Pflanzenstärkungsmittel für den Zierpflanzenbau. [Plant health enhancer for ornamental horticulture.] In: Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE) (Ed.) Projekt: "Erprobung und Vergleich von Pflanzenstärkungsmitteln an Zierpflanzen im Freiland und unter Glas unter besonderer Berücksichtigung von bioenergetischen und homöopathischen Verfahren". Landwirtschaftskammer Nordrhein-Westfalen.

Tersbøl, Michael (2004) Betydning af efterafgrøder:erfaringer fra sædskifteforsøgene. [Impact of catch crops:experiences from crop rotation trials.] . Online at http://www.lr.dk/planteavl/diverse/oekovaerk_betyd_efter.htm.

Tersbøl, Michael (2004) Kalium til økologiske afgrøder. [Potasium in organic crops.] . Online at http://www.lr.dk/planteavl/diverse/oekovaerk_kaliumforsoeg.htm.

Tersbøl, Michael (2004) Udbytte og økonomi i sædskifter – erfaringer fra sædskifteforsøgene. . Online at http://www.lr.dk/planteavl/diverse/oekovaerk_udbyt_okonomi.htm.

Thareau, Bertille; Le Guen, Roger; Lambert, Annie and Schieb-Bienfait, Nathalie (2004) Diagnostic et perspectives de développement de la filière céréales biologiques des Pays de la Loire. ESA, ENITIAA, IAE, INRA .

Thareau, Bertille; Le Guen, Roger; Lambert, Annie and Schieb-Bienfait, Nathalie (2004) Diagnostic et perspectives de développement de la filière volaille biologique des Pays de la Loire. Programme ARPENT–Bio, INRA – Conseil Régional des Pays de la Loire; ESA / ENITIAA / IAE .

Thissen, T. (2004) Traay van Wouter Vuijk Thema Kwaliteit. Bijen : maandblad voor imkers, 2004, 13 (10), 276 - 277.

Thodberg, L.; Bauer, B.; Weidema, B.; Cederberg, C.; Søndergaard, H.A.; Løber, M.; Halberg, N.; Madsen, N.L.; Nielsen, P.H.; Kofoed, S. and Hvid, S.K. (2004) Produktorienteret miljøindsats i landbrugssektoren - forudsætninger. Miljøstyrelsen (Miljøprojekt 900).

Thomas, Frieder (2004) Tagung: Biomarkt und soziale Lage – Handlungsoptionen und Wege zur Sicherung von Arbeit und Einkommen in den Wertschöpfungsketten des Biomarktes. [Conference: The Organic Market and Social Issues - options for action and methods of securing employment and income along the prodcution chains of the organic market.] AgrarBündnis e.V., D-Rheda-Wiedenbrück .

Thomas, Larsen; Schjonning, Per and Axelsen, Jørgen (2004) The impact of soil structure on euedaphic Collembola. Applied Soil Ecology, 26, pp. 273-281.

Thommen, Andreas (2004) Biosaatgut 2004. Jahresbericht der FiBL-Biosaatgutstelle. Jahresbericht. Forschungsinstitut für biologischen Landbau (FiBL) CH-Frick .

Thomsen, Ingrid Kaag and Sørensen, Peter (2004) Jordløsning i vækstsæsonen øger ikke N mineraliseringenen. FØJOenyt (4).

Thomsen, Ingrid Kaag and Sørensen, Peter (2004) Tillage in the growing season is ineffective as a tool of increased soil N mineralization. DARCOFenews (1).

Thorup-Kristensen, Kristian (2004) Crop cover improves the nitrogen status in vegetable crop rotations. DARCOFenews (1).

Thorup-Kristensen, Kristian (2004) Forslag til øget kvælstofeffekt af efterafgrøder ved optimeret artsvalg, management og placering. In: Jørgensen, Uffe (Ed.) Forberedelse af Vandmiljøplan III. Rapport fra Kvælstofgruppen (F10). Forbedret kvælstofudnyttelse i mark og effekt på kvælstoftab. , chapter 4.5, pp. 100-110.

Thorup-Kristensen, Kristian (2004) Ny lovende efterafgrøde. [New promising catch crop.] Økologisk Jordbrug, 2004, 24 (309), p. 10.

Thorup-Kristensen, Kristian (2004) Om at vende chikanegræsset til egen fordel. [How to turn legally required catch crops to your own advantage.] Agrologisk, November 2004, pp. 8-10.

Thorup-Kristensen, Kristian (2004) Plantedække øger udnyttelsen af N i økologiske grønsager. [Crop cover improves the nitrogen status in vegetable crop rotations.] FØJOenyt.

Thyme, M. and Ambus, P. (2004) N2O emission from grass-clover swards is largely unaffected by recently fixed N2. DARCOFenews (1).

Thyme, Mette and Ambus, Per (2004) From N2 fixation to N2O emission in a grass-clover mixture. In: Hatch, D.J.; Chadwick, D.R.; Jarvis, S.C. and Roker, J.A. (Eds.) Controlling nitrogen flows and losses, Wageningen Academic Publishers, The Netherlands, pp. 365-366.

Titze, Andreas and Jakobs, Marion (2004) Grünlandbewirtschaftung mit differenzierter Intensität - Ausgewählte Ergebnisse eines Parzellenversuchs am Standort Dummerstorf. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Titze, Andreas and Jakobs, Marion (2004) Silagequalität in ökologischen wirtschaftenden Futterbaubetrieben Mecklenburg-Vorpommern. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Tober, Olaf (2004) Haltungssysteme für ferkelführende Sauen und Absetzferkel im ökologischen Landbau. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Tolonen, Marja (2004) The formation and antimicrobial activity of nisin and plant derived bioactive components in lactic acid bacteria fermentations. Thesis, MTT Agrifood Research Finland . Agrifood Research Reports, no. 43. .

Tontti, T.; Mäkelä-Kurtto, R. and Halinen, A. (2004) Effects of municipal waste composts on soil and crop heavy metals in grass cultivation in Finland. Paper at: The International school-conference plant cultivation in the European North, Petroskoi, November 24-26, 2004.

Torjusen, Hanne; Sangstad, Lotte; O'Doherty Jensen, Katherine and Kjærnes, Unni (2004) European consumers' conceptions of organic food: A review of available research. Professional Report, no. no. 4-2004. Oslo: National Institute for Consumer Research.

Traag, W.; Kan, K.; Zeilmaker, M.; Hoogerbrugge, R.; Eijkeren, J. Van and Hoogenboom, R. (2004) Carry-over of dioxins and PCBs from feed and soil to eggs at low contamination levels : influence of binders on the carry-over from feed to eggs. Report / RIKILT 2004.016. RIKILT, Institute for Food Safety, Wageningen , NL.

Trapman, Marc (2004) Evaluation of grapefruit seed extract as natural fungicide to control apple scab in organic apple growing. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 202-207.

Trapman, Marc (2004) A simulation program for the timing of fungicides to control Sooty Blotch in organic apple growing. First results in 2003. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 56-66.

Trapman, Marc; Tamm, Lucius and Fuchs, Jacques G. (2004) The effectiveness of winter treatments with copper or lime sulphur to control Sooty Blotch on apple. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 67-72.

Trapmann, Marc; Tamm, Lucius and Fuchs, Jacques G. (2004) The effectiveness of winter treatments with copper or lime sulphur to control Sooty Blotch on apple. In: Fördergemeinschaft Ökologischer Obstbau e.V., (FÖKÖ) (Ed.) 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany. D-Weinsberg. Fördergemeinschaft Ökologischer Obstbau, Weinsberg, Germany, pp. 67-72.

Trei, G.; Simantke, C. and Hörning, B. (2004) Untersuchungen zur Tiergerechtheit in ökologisch wirtschaftenden Betrieben mit Legehennenhaltung. In: Tagungsband 11. Freiland/ 17. IGN-Tagung: Auf dem Weg zu einer tiergerechteren Haltung, pp. 85-88.

Triloff, Peter (2004) Die befallsabhängige Schorfbekämpfung im Bio-Anbau. [Inoculim related scab control in organic farming.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 87-90.

Troostheid, S. and Eekeren, N. Van (2004) Zaaitijdstip en kieming van snijmais. Louis Bolk Instituut, Driebergen, NL.

Tuori, Mikko (2004) Ekologisk utfodring har positiva effekter på mjölkens fettsyresammansättning. Paper at: "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004.

Tybirk, K.; Hald, A.B.; Pedersen, M.B. and Sønderskov, M. (2004) Ukrudt i et kulturlandskab. In: Madsen, K.H. (Ed.) Ukrudtsbekæmpelse i landbruget. DJF, chapter 12.

Tybirk, Knud; Alrøe, Hugo Fjelsted and Frederiksen, Pia (2004) Nature quality in organic farming: A conceptual analysis of considerations and criteria in a European context. Journal of Agricultural and Environmental Ethics, 17 (3), pp. 249-274.

Tybirk, K.; Primdahl, J.; Olsen, H.K. and Holbeck, H.B. (2004) The Fire-fighter’s Law: a conceptual tool to include nature conservation in on-farm planning. [Completed]

Ulrich, D.; Borschel, K.; Hoberg, E.; Quilitzsch, R. and Schütz, W. (2004) Vergleichende Qualitätsuntersuchungen von alten und neuen Gemüsesorten zur Entwicklung von Zuchtzielen für den ökologischen Gemüsebau. [Comperative investigations from old and new vegetable cultivars to the development of breeding targets for ecological agriculture.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Unspecified (2004) Varieties of field vegetables and potatoes for organic production and marketing OF0304. National Institute for Agricultural Botany .

Uusitalo, Marja (2004) European bird cherry (Prunus padus L.) - a biodiverse wild plant for horticulture. Agrifood Research Reports, no. 61. MTT Agrifood Research Finland .

Uusitalo, Risto (2004) Potential bioavailability of particulate phosphorus in runoff from arable clayey soils. Thesis, MTT Agrifood Research Finland . Agrifood Research Reports, no. 53. .

V, Alex Albert and V, Krishnasamy (2004) Evaluation of Organic Source of Nutrients on Growth and Yield Parameters of Tomato. Thesis, Tamil Nadu Agricultural University, Coimbatore, INDIA. , Department of Seed Science and Technology. . [Unpublished]

V., PAOLINI; I., FOURASTE and H., HOSTE (2004) In vitro effects of three woody plant and sainfoin extracts on two parasitic stage of 3 parasitic nematode species. Parsitology (129), pp. 69-77.

Vaarst, M. (2004) Dilemma og synergi i økologisk husdyrhold: Dyrevelfærd, naturlighed og fødevaresikkerhed. FORSKNINGSNYTT om økologisk landbruk i Norden, October 2004 (3).

Vaarst, M.; Maddox-Hyttel, C.; Thamsborg, S. M.; Bennedsgaard, T.W.; Vestergaard, E.M.; Fossing, C. and Ingvartsen, K.L. (2004) Sundhed og velfærd i kalveholdet. Forskningscenter for Økologisk Jordbrug (FØJO) .

Vaarst, M.; Roderick, S.; Lund, V. and Lockeretz, W. (2004) Combining Ethological Thinking and Epidemiological Knowledge to Enhance the Naturalness of Organic Livestock Systems. Paper at: Practical Forage and Livestock Production.

Vaarst, Mette and Nissen, Thorkild Bülow (2004) Farvel til antibiotika. Økologisk Landsforening .

Väisänen, Jaana (2004) Ekologiskt korn som en utmaning - slutsatser av projektet "Växtvigör för ekologiskt korn". Paper at: "Uppdatera dina kunskaper inom ekologin": ekoseminar, St. Michel, Finland, 28.7.2004.

Vakali, Christina (2004) Shoot and root growth of cereals under reduced tillage in Organic Farming in field trials in Germany and Greece. Thesis, Institute of Organic Agriculture . Schriftenreihe Institut für Organischen Landbau. Verlag Dr. Köster, Berlin.

Van den Akker, J.J.H. and Schjønning, P. (2004) Subsoil Compaction and Ways to Prevent It. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality: Challenges in Modern Agriculture. CABI Publishing, Wallingford, UK, chapter 10, pp. 163-184.

van Elsen, Thomas and Rahmann, Gerold (2004) Naturschutz – eine Kulturaufgabe für den Öko-Landbau. [Nature protection - a cultural duty for organic farming.] Ökologie & Landbau, 130 (2/2004), pp. 14-16.

Vanhala, P.; Kurstjens, D.; Ascard, J.; Bertram, A.; Cloutier, D.C.; Mead, A.; Raffaelli, M. and Rasmussen, Jesper (2004) Guidelines for physical weed control research: flame weeding, weed harrowing and intra-row cultivation. In: Proceedings 6th EWRS Workshop on Physical and Cultural Weed Control, 194-225, pp. 194-225.

Vanhala, P.; Lötjönen, T. and Salonen, J. (2004) Response of Sonchus arvensis to mechanical and cultural weed control. Paper at: 6th EWRS workshop on physical and cultural weed control, Lillehammer, Norway, 8-10 March 2004.

Vanhala, Petri and Lötjönen, Timo (2004) Reglering av åkermolke och andra fleråriga ogräs. Forskningsnytt om økologisk landbruk i Norden (4), pp. 22-23.

Veer, D. Ter and Plomp, M. (2004) 100% biologisch voeren vraagt meer aandacht voor eiwitbenutting. Praktijkkompas. Rundvee, 2004, 18 (3), 16 - 17.

Verhoog, Henk; Lund, Vonne and Alrøe, Hugo Fjelsted (2004) Animal welfare, ethics and organic farming. In: Vaarst, Mette; Roderick, Steve; Lund, Vonne and Lockerets, William (Eds.) Animal health and welfare in organic agriculture. CABI Publishing, chapter 5, pp. 73-94.

Verkerke, W. and Burgt, G.J. Van De (2004) Dat smaakt naar meer... : Biologische tomaat. In: Biologisch telen onder glas : minder zekerheid maar meer voldoening. Biokas magazine 2004.. Biokas, Nijmegen, NL.

Vermède, R.; Coppens, L.; Verdenius, F. and Graaff, R. De (2004) Mogelijkheden voor het optimaliseren van informatiestromen in de biologische sector. 296.. Agrotechnology en Food Innovations nr, Wageningen , NL, , UR.

Vermeer, Herman M. and Altena, Henk (2004) Farrowing accommodation for organic pigs. Speech at: 38th Congres of the International Society for Applied Ethology, Helsinki, Finland, August 3-6 2004.

Vermeulen, T. (2004) Keurmerk natuurlijke middelen. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (2), p. 84.

Vermeulen, T. and Mombarg, H. (2004) Tuinders staan open voor natuurlijke middelen themanummer toekomst biologische bestrijding. Gewasbescherming : mededelingenblad van de Nederlandse Planteziektenkundige Vereniging in samenwerking met de Coordinatiecommissie Onkruidonderzoek NRLO, 2004, 35 (1), p. 12.

Vernooij, A. (2004) Themadagen Biovar: meest gewaardeerd op PC Raalte. V-focus : vakblad voor adviseurs in de dierlijke sector, 2004, 1 (decemb), 36 - 37.

Verschwele, Arnd (2004) Herbizide im Ökologischen Landbau? [Herbicides for Organic farming?] In: Biologische Bundesanstalt für Land- und Forstwirtschaft (Ed.) Mitteilungen aus der Biologischen Bundesanstalt für Land- und Forstwirtschaft (396), p. 258.

Verschwele, Arnd and Böhm, Herwart (2004) Ampfer- und Distelbekämpfung im Ökolandbau. In: Rahmann, G. and Kühne, S. (Eds.) Ressortforschung für den ökologischen Landbau 2003, Senatsarbeitsgruppe Ökologischer Landbau, D-Trenthorst, D-Kleinmachnow, pp. 16-18.

Vieweger, Anja; Koller, Martin and Lichtenhahn, Martin (2004) Säen, Stecken oder Pflanzen: Welches Verfahren eignet sich für Biozwiebeln am besten? Semer, planter ou repiquer: Quel est le meilleur procédé pour les oignons bio? [Direct sowing, planting of set-onions or planting of seedlings: which is the best system for organic onion production ?] Der Gemüsebau/ Le Maraîcher (Nr. 11), pp. 8-11.

Vikram, Amit; Gupta, Meenu and Kohli, U.K. (2004) SLOW AND STEADY WINS THE ORGANIC RACE. The Tribune, May 2004, 124 (145), p. 16.

Vinther, F.P. (2004) Effect of age and cutting frequency on below-ground biomass in grass-clover. In: Abstracts of the Workshop on Adaption and Management of Forage Legumes - Strategies for improved Reliability in Mixed Swards, pp. 23-24. [Unpublished]

Vinther, F.P. (2004) N-fiksering - hvor meget og hvordan? [N fixation - how much and how?] Speech at: Plantekongres 2004, Messecenter Herning, Danmark, 13.-14. januar 2004. [Unpublished]

Vinther, F.P. (2004) N-fiksering - hvor meget og hvordan? [N fixation - how much and how?] MånedsMagasinet Kvæg, January 2004, p. 19.

Vinther, F.P. (2004) Organisk kvælstof kan også udvaskes. [Organic nitrogen can also be leached.] Økologisk Jordbrug, November 2004 (325), p. 6.

Vinther, F.P.; Eriksen, J. and Hansen, E.M. (2004) Leaching of dissolved organic carbon (DOC) and nitrogen (DON) from grass-clover pastures after ploughing. Speech at: DOM 2004 - International workshop: Dissolved Organic Matter and the Cycling of Carbon, Nutrients and Metals, Bayreuth, Germany, October 3-6 2004.

Vinther, F.P.; Hansen, E.M.; Eriksen, J. and Jacobsen, O.H. (2004) Udvaskning af organisk bundet kvælstof og kulstof. [Leaching of organic nitrogen and carbon.] FØJOenyt (6).

Vinther, F.P.; Hansen, E.M. and Olesen, J.E. (2004) Effects of plant residues on crop performance, N mineralisation and microbial activity including field CO2 and N2O fluxes in unfertilised crop rotations. Nutrient Cycling in Agroecosystems, 70, pp. 189-199.

Vinther, Finn P. and Hansen, Søren (2004) SimDen - en simpel model til kvantificering af N2O-emission og denitrifikation. [SimDen - a simple model for quantification of N2O-emission and denitrification.] DJF rapport, no. 104. Danish Institute of Agricultural Sciences , Department for Agroecology.

Visscher, J. (2004) Witte klaver gevoelig voor droge zomers en strenge winters. V-focus : vakblad voor adviseurs in de dierlijke sector, 2004, 1 (decemb), 30 - 31.

Visser, M. De (2004) Hoger eiwitgehalte eerste sneden. Praktijkkompas. Rundvee, 2004, 18 (3), 6 - 7.

Visser, M. De; Lantinga, E.A. and Eekeren, N. Van (2004) cliché: bepalingen mestkwaliteit te weinig onderbouwd : boeren zoeken bruikbare aanvullende bepalingen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (7/8), 14 - 15.

Visser, P. De; Gorissen, T. and Zweerde, W. Van Der (2004) Gasemissie na toediening van organische meststoffen in de glastuinbouw : risico's op plantschade in gesloten kassen. Plant Research International, Wageningen, NL.

Vogl, C. R.; Axmann, P. and Vogl-Lukasser, B. (2004) Urban Organic Farming in Austria with the concept of Selbsternte ("self -harvest"): An agronomic and socio-economic analysis. Renewable Agriculture and Food Systems, 19 (2), pp. 67-79.

Vogl, C. R. and Darnhofer, I. (2004) Organic Agriculture in Austria. The Organic Standard (34), pp. 2-5.

Vogl, C. R.; Lissek-Wolf, G. and Surböck, A. (2004) Comparing Hemp Seed Yields (Cannabis sativa L.) of an On-Farm Scientific Field Experiment to an On-Farm Agronomic Evaluation Under Organic Growing Conditions in Lower Austria. Journal of Industrial Hemp, 9 (1), pp. 37-49.

Vogl, C. R.; Mölleken, H.; Lissek-Wolf, G.; Surböck, A. and Kobert, J. (2004) Hemp (Cannabis sativa L.) as a Resource for Green Cosmetics: Yield of Seeds and Fatty Acids Composition of 20 Varieties under the Growing Conditions of Organic Farming in Austria. Journal of Industrial Hemp, 9 (1), pp. 51-68.

Vogl, C. R.; Vogl-Lukasser, B. and Puri, R. (2004) Tools and Methods for data collection in ethnobotanical studies of homegardens. Field Methodes, 16 (3), pp. 285-306.

Vogt-Kaute, Werner (2004) Entwicklung von Winter-Ackerbohnen für den ökologischen Landbau - Teilprojekt 1. [Development of winter-beans for organic farming - part 1.] Naturland e.V. .

Vollmer, Jeanette and Østergård, Hanne (2004) Studies of interaction between pathogens. Paper at: 11th International Cereal Rusts & Powdery Mildews Conference, John Innes Centre Norwich, UK, 22-27 August 2004.

von Fragstein und Niemsdorff, Prof. Dr. Peter and Möller, Prof. Dr. Torsten (2004) Vegetabile Düngemittel: II. Auswirkung auf Ertrag und N-Aufnahme von Radieschen und Weißkohl. [Plant derived organic fertilisers: II. Effect on yield and N uptake of radishes and white cabbage.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Vreeburg, P.J.M.; Conijn, C.G.M.; Korsuize, C.A. and Zuilichem, J.A.A. Van (2004) Bestrijding bollenmijt in hol-en snijbollen hyacint. Praktijkonderzoek Plant & Omgeving, Sector Bloembollen, Lisse, NL.

Wächter, Dr. Rebecca; Wolf, Dr. Gerhard and Koch, Dr. Eckhard (2004) Charakterisierung der Resistenz von Winterweizensorten gegenüber Steinbrand (Tilletia caries). [Characterisation of resistance of winterwheat against common bunt (Tilletia caries).] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Wagenaar, J. (2004) Eerst de kip ... dan volgt het ei vanzelf : Stalontwerpen met de kippen zelf als uitgangspunt Thema: Techniek en stallenbouw. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (12), 32 - 35.

Wagenaar, J.P. (2004) Ervaringen met GPS uit de praktijk. Louis Bolk Instituut, Driebergen, NL.

Wagner, Saionara Araujo ; Gehlen, Ivaldo and Wiest, José Maria (2004) Padrão tecnológico em unidades de produção familiar de leite no Rio Grande do Sul relacionado com diferentes tipologias. [Tecnologies the domestic dairy producers in Rio Grande do Sul relations among the distinctive tipologies.] Ciência Rural, 34 (5), pp. 1579-1584.

Walkenhorst, Michael (2004) Eine gute Prävention erhält die Eutergesundheit. [Good prevention preserves udder health.] die grüne. Das Fachmagazin für die Schweizer Landwirtschaft (4), pp. 38-39.

Walkenhorst, Michael (2004) Mastitis ganzheitlich angehen. [Holistic treatment of mastitis.] Ernte. Zeitschrift für Landwirtschaft und Ökologie (1), pp. 26-27.

Walkenhorst, Michael; Notz, Christophe; Klocke, Peter; Spranger, Jörg and Heil, Fritz (2004) Organic conform udder health concepts. How to reduce therapies. Speech at: 2nd SAFO workshop. Development of organic livestock farming: potential and limitations of husbandry practice to secure animal health, welfare and food quality, University of Kassel in Witzenhausen, 25.-27.03.2004.

Walkenhorst, Michael; Notz, Christophe; Klocke, Peter; Spranger, Jörg and Heil, Fritz (2004) Udder health concepts that comply with organic principles - how to reduce therapies? In: Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) Organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality. Proceedings of the 2nd SAFO Workshop 25-27 March 2004, Witzenhausen, Germany; University of Reading. SAFO Sustaining Animal Health and Food Safety in Organic Farming. A European Commission funded Concerted Action Project, pp. 71-75.

Walkenhorst, Michael (2004) Istruzione per mungere. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Waller, Peter J. and Thamsborg, Stig M. (2004) Nematode control in 'green' ruminant production systems. Trends in Parasitology, 20 (10), pp. 493-497.

Walther, B. and Pelz, H.-J. (2004) Abwehr von Wühlmausschäden im ökologischen Obstbau mit Hilfe von Migrationsbarrieren. [Prevention of vole damage in organic farming by mechanical barrier systems.] In: Mitt. Biol. Bundesanst. Land- Forstwirtsch., Biologische Bundesanstalt für Land- und Forstwirtschaft (bba), Berlin und Braunschweig, 396, pp. 494-495.

Walther, B. and Pelz, H.-J. (2004) Prevention of vole damage in organic pomiculture. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, p. 55.

Wanten, P. (2004) IJsbergsla, een teelt met valkuilen! : economisch interessant mits van goede kwaliteit. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (4), 20 - 21.

Warlop, Francois (2004) Efficacité et coût de la thermothérapie appliquée au cas de la pêche contre les maladies de conservation. [Efficacy and cost of hot water treatment against peach post-harvest diseases.] Paper at: CTIFL/PV, Jan. 2004. [Unpublished]

Warlop, Francois (2004) Pertinence de la végétation synanthropique en oléiculture biologique pour limiter les ravageurs. [Relevance of synanthropic flora in organic olive groves to limit pest damages.] Paper at: Environnement & Identité en Méditerranée, Corte, Corsica, 19-25/07/2004.

Wasiak, Krzysztof; Philipp, Werner and Böhm, Reinhard (2004) Untersuchungen praxisrelevanter thermischer Verfahren zur Bodendesinfektion am Beispiel ausgewählter Mikroorganismen. [Investigation on Practical Application of Thermal Methods for Disinfection of Selected Microorganism in Soil.] Bundesanstalt für Landwirtschaft und Ernährung, Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Weel, P.A. Van (2004) Rozenfabriek met één operator. Syscope : kwartaalblad van systeeminnovatieprogramma's / Wageningen UR, 2004 (4), 8 - 9.

Weibel, Franco (2004) Sortendegustation an der Bioobstbautagung 2003 (29. Jan.) in Frick. [Apple variety Tastings at the organic fruit seminar, held in Frick 29.1.2003.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 43-45.

Weibel, Franco; Häseli, Andreas and Schmid, Andi (2004) Sortenempfehlungen für den Bio-Apfelanbau 2003. [Recommendations 2003 for varieties for organic apple production.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 46-48.

Weibel, Franco; Häseli, Andreas; Schmid, Andi and Leder, Alfred (2004) Sorten und -Unterlagen für Bioobstbau: Kurznachrichten 2003/2004. [Fruit Varieties for organic fruit production: News 2003/2004.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, Schweiz, pp. 49-51.

Weibel, Franco and Leder, Alfred (2004) Consumer Reaction to the «Flavour Group Concept» to introduce Scab Resistant Apple Varieties into the Market. «Variety-Teams» as a Further Development of the Concept. In: 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany. D-Weinsberg, Fördergemeinschaft Ökologischer Obstbau.e.V. Weinsberg, pp. 196-201.

Weibel, Franco and Leder, Alfred (2004) Consumer Reaction to the «Flavour Group Concept» to introduce Scab Resistant Apple Varieties into the Market. «Variety-Teams» as a Further Development of the Concept. [Konsumenten-Reaktion auf das «Geschmacksgruppen-Konzepte» zur Markteinführung schorfresistenter Apfelsorten. «Sorten-Teams» als weitere Entwicklungsstufe des Konzepts.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 196-201.

Weibel, Franco; Suter, Francisco and Zingg, Daniel (2004) Bekämpfung von Gloeosporium auf Apfel mit Nacherntebehandlungen. [Regulation of Gloeosporium on Apples.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick. Forschungsinstitut für biologischen Landbau, Frick, pp. 35-37.

Weibel, Franco P.; Häseli, Andreas; Schmid, Otto and Willer, Helga (2004) Present Status of Organic Fruit Growing in Europe. In: Bertischinger, L. and Anderson, J.D. (Eds.) ISHS Acta Horticulturae 638: XXVI International Horticultural Congress: Sustainability of Horticultural Systems in the 21st Century. International Society for Horticultural Science ISHS, Leuven, Belgium, pp. 375-385.

Weibel, Franco P.; Treutter, Dieter; Graf, Ursula and Häseli, Andi (2004) Geschmack- und gesundheitsrelevante Qualität von ökologisch angbauten Äpfeln: Eine 3jährige Feldvergleichsstudie mit standard- und ganzheitlichen Untersuchungsmethoden. [Sensory and Health-related Quality of Organic Apples: A comparative Field Study over three Years using Conventional and Holistic Methods to Assess Fruit Quality.] Paper at: 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg/ Germany, 03.-05.02.2004. [Unpublished]

Weibel, Franco P.; Treutter, Dieter; Häseli, Andi and Graf, Ursula (2004) SENSORY AND HEALTH-RELATED FRUIT QUALITY OF ORGANIC APPLES. A COMPARATIVE FIELD STUDY OVER THREE YEARS USING CONVENTIONAL AND HOLISTIC METHODS TO ASSESS FRUIT QUALITY. [GESCHMACKS- UND GESUNDHEITSRELEVANTE QUALITÄT VON ÖKOLOGISCH ANGEBAUTEN ÄPFELN: EINE 3JÄHRIGE FELDVERGLEICHSSTUDIE MIT STANDARD- UND GANZHEITLICHEN UNTERSUCHUNGSMETHODEN.] In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 185-195.

Weid, Jean Marc von der (2004) Agroecologia: condição para a segurança alimentar. [Agroecology: condition for food security.] Revista Agriculturas: experiencias em agroecologia., 1, pp. 4-7.

Weier, Ulrike and Hornischer, Uwe (2004) Hohe Erträge beim niedersächsischen Vergleich von Steckzwiebeln und gepflanzten Säzwiebeln: Gepflanzte Säzwiebel könnten auch hier zur Alternative werden. ÖKOmenischer Gärtnerrundbrief (4/2004).

Wendt, Heinz; Madsen, Gudula; Rippin, Markus; Engelhardt, Heike; Fiedler, Dorrit von; Thimm, Conrad and Wagener, Klaus (2004) Maßnahmen und Ansatzpunkte zur Verbesserung der quantitativen Marktinformationen bei Öko-Produkten und Möglichkeiten ihrer Konkretisierung. [Measures and possibilities to improve the pool of data about the German organic market and how they can be realised.] Bundesanstalt für Landwirtschaft und Ernährung (BLE), Bonn , Geschäftsstelle Bundesprogramm Ökologischer Landbau.

Werf, J. Van Der; Kijlstra, A.; Buitendijk, J.; Klink, M.; Munniksma, K. and Schaaf, R. Van Der (2004) Inventarisatie diergeneesmiddelengebruik in de biologische melkveehouderij. Centraal Instituut voor Dierziekte Controle, Wageningen, NL.

Werf, J. Van Der; Kijlstra, A.; Klink, M. and Munninksma, K. (2004) Inventarisatie diergeneesmiddelengebruik in de biologische vleesveehouderij. Centraal Instituut voor Dierziekte Controle, Wageningen, NL.

Werner, C. and Sundrum, Prof. Dr. Albert (2004) Ist die Behandlung von subklinischen Mastitiden mit Homöopathika empfehlenswert? [Is homeopathic treatment recommended for subclinical mastitis?] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Werner, Ortrud; Globig, Anja and Starick, Elke (2004) Analyse des Influenzastatus von Hausgeflügel in Freilandhaltung unter besonderer Berücksichtigung der Infektionsgefährdung durch Wildvögel. [Survey of free range poultry for Avian Influenza and risk assessment for introduction by wild birds.] Friedrich-Löffler-Institut, Bundesforschungsinstitut für Tiergesundheit, D-Greifswald - Insel Riems , Institut für Virusdiagnostik.

{Project} Analyse des Influenzastatus von Hausgeflügel in Freilandhaltung unter besonderer Berücksichtigung der Infektionsgefährdung durch Wildvögel. [Survey of free range poultry for Avian Influenza and risk assessment for introduction by wild birds.] Runs 2002 - 2004. Project Leader(s): Werner, Dr. Ortrud, Friedrich-Löffler-Institut, Bundesforschungsinstitut für Tiergesundheit, D-Greifswald - Insel Riems .

Westley Consulting Ltd. (2004) London Hospital Food Project. Sustain , London Food Link.

Westra, E. (2004) Inventarisatie biologische bijstromen voor biologische varkenshouderij, eindrapportage januari 2004. Rapport / Agrotechnology & Food Innovations 065.. Agrotechnology & Food Innovations, Wageningen, NL.

Widmer, Albert; Husistein, Alfred; Bertschinger, Lukas; Weibel, Franco; Fliessbach, Andreas and Käser, Melanie (2004) Systemvergleichsversuch: Integrierte und biologische Apfelproduktion. Teil II: Wachstum, Ertrag, Kalibrierung, Boden. [Comparison of integrated and organic apple production: Growth, Yields and Soils.] Schweizerische Zeitschrift für Obst- und Weinbau (3), pp. 6-9.

Wier, M.; Christensen, T. and Jacobsen, L.B. (2004) Økologisk jordbrug i Danmark. [Organic Agriculture in Denmark.] In: Landbrugets økonomi. .

Wier, Mette (2004) Moderne økologi er afhængig af stærke Ø-mærker. FØJOenyt (5).

Wier, Mette; Christensen, Tove and Jacobsen, Lars Bo (2004) Økologisk landbrug – miljøpolitisk virkemiddel eller mål i sig selv? In: Miljøøkonomisk debatbog. Miljøøkonomisk debatbog.

Wieringa, H. and Boxtel, M. Van (2004) Ruimte voor biologische landbouw : onderzoek naar stimulerende beleidsmiddelen in r.o. Land & Co, Wageningen, NL.

Wilbois, K.-P. and Reiners, E. (2004) Forum Pflanzenschutz im ökologischen Landbau – Themenbezogenes Netzwerk im Bereich Pflanzenschutz. [The "Forum Plant portection in organic agriculture – a subject based Network in plant protection".] In: Bundesprogramm Ökologischer Landbau - Aktuelle Projekte im Bereich Pflanzenschutz. Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE).

Wilbois, K.-P.; Spieß, H.; Vogt-Kaute, W.; Waldow, F.; Jahn, M.; Wächter, R.; Koch, E.; Müller, K.-J.; Leopold, J. and Reiners, E. (2004) Entwicklung und Darstellung von Strategieoptionen zur Behandlung von Saatgut im ökologischen Landbau. [Development and description of options for seed treatment in organic agriculture.] In: Bundesprogramm Ökologischer Landbau - Aktuelle Projekte im Bereich Pflanzenschutz. Geschäftsstelle Bundesprogramm Ökologischer Landbau, Bundesanstalt für Landwirtschaft und Ernährung (BLE).

Wilbois, Klaus-Peter; Schwab, Andreas; Fischer, Holger; Bachinger, Johann; Palme, Stefan; Peters, Heiner and Dongus, Sara (2004) Leitfaden für Praxisversuche. [Guide to on-farm research trails.] Forschungsinstitut für biologischen Landbau Deutschland e.V., D-Frankfurt .

Wilbois, Klaus-Peter; Wörner, Frank; Dreesmann, Stefan and Rönnebeck, Ute (2004) Öko-Saatgut - Mehr als 2 500 Produkte sind in organicXseeds gelistet. [Organic Seeds - more than 2 500 products listed in the organicXseeds database.] Ökologie & Landbau, 123 (4/2004), pp. 40-41.

Willems, S. and Noorduyn, L. (2004) IBL Nieuws, nummer 5, april 2004. IBL nieuws / Innovatiecentrum Biologische Landbouw, 2004 (5), 1 - 8.

Willems, S. and Noorduyn, L. (2004) IBL Nieuws, nummmer 6, november 2004. IBL nieuws / Innovatiecentrum Biologische Landbouw, 2004 (6), 1 - 8.

Willemse, J. (2004) Kaarsenmakerij Dipam, Driebergen Thema Kwaliteit. Bijen : maandblad voor imkers, 2004, 13 (10), 286 - 287.

Willer, Helga (2004) Organic Eprints – A European Communication Tool for Organic Farming Research. In: Barbieri, Sara; Ferrante, Valentina and Manelli, Annalisa (Eds.) 4° Convegno Nazionale. Zootecnia biologica:quattro anni dopo. Arezzo, 26 marzo 2004. ATTI DEL CONVEGNO. Associazione Italiana di Zootecnia Biologica e Biodinamica, Milano, Milano, p. 7.

Willer, Helga and Lux, Susanne (2004) Europäische Konferenz Statistische Informationssysteme zum Öko-Landbau. [European Conference on Statistical Information Systems for Organic Farming.] Ökologie & Landbau, 2004 (3), pp. 36-37. [Unpublished]

Willer, Helga and Richter, Toralf (2004) Europe. In: Willer, Helga und Yussefi, Minou (2004) The World of Organic Agriculture - Statistics and Emerging Trends 2004. International Federation of Organic Agriculture Movements, DE-53117 Bonn. International Federation of Organic Agriculture Movements IFOAM), DE-Bonn, DE-Bonn, pp. 93-117.

Willer, Helga and Yussefi, Minou (2004) Der Ökolandbau in Europa und weltweit: weiterhin stetiges Wachstum. Forschungsinstitut für biologischen Landbau FiBL und Stiftung Ökologie & Landbau SÖL , Frick und Bad Dürkheim. [Unpublished]

Willer, Helga and Yussefi, Minou (2004) Global Organic Statistics 2004. Speech at: Biofach 2004, Nuremburg, 19.2.2004-22.2.2004.

Willer, Helga and Yussefi, Minou (2004) Wachstum weltweit Wirklichkeit. Ökolandbau auch international auf dem Vormarsch. [Global growth is a reality - organic farming moving forward also internationally.] In: Schneider, Manuel; Fink-Kessler, Andrea and Stodieck, Friedhelm (Eds.) Der kritische Agrarbericht 2004. Kritischer Agrarbericht. AbL Bauernblatt Verlag, Rheda-Wiedenbrück, Germany, Frick, pp. 115-120.

Willer, Helga and Yussefi, Minou (2004) The World of Organic Agriculture - Statistics and Emerging Trends 2004. International Federation of Organic Agriculture Movements, DE-53117 Bonn, Bonn.

Willer, Helga (2004) Biolandbau und Biolandbauforschung weltweit 2004. [Organic farming and Organic Farming Research World-Wide 2004.] Paper at: Biologischer Landbau - Quo Vadis, Bundesanstalt für alpenländische Landwirtschaft Gumpenstein, Irdning, Österreich, 12./13.10.2004. [Submitted]

{Project} Präventive Tiergesundheitskonzepte in der ökologischen Milchviehhaltung. [Preventive concepts for animal health in organic dairy farming.] Runs 2002 - 2004. Project Leader(s): Winckler, Prof. Dr. Christoph, Georg-August-Universität Göttingen .

Winckler, C. and Brinkmann, J. (2004) Präventive Tiergesundheitskonzepte in der ökologischen Milchviehhaltung. [Preventive concepts for animal health in organic dairy farming.] Georg-August-Universität Göttingen , Forschungs- und Studienzentrum für Veredelungswirtschaft Weser-Ems.

Wingerden, W.K.R.E. Van; Moraal, L.G.; Booij, C.J.H. and Elderson, J. (2004) Groene aders en groente : positieve en negatieve effecten van landschappelijke elementen op de groenteteelt. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (5), 8 - 11.

Winkelhausen, Eleonora; Pospiech, Robert and Laufenberg, Günther (2004) Growth inhibition of moulds by natural pesticides derived from olive oil residues. Poster at: 18th Congress of Chemists and Technologists of Macedonia, Ohrid, Macedonia, 23.-25. September 2004. [Unpublished]

Wit, J. De (2004) Is snijmaïs of voergraanteelt aantrekkelijk naast grasklaver? : deel 2 van een tweeluik over krachtvoer. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (1), 10 - 11.

Wit, J. De and Barendrecht, W. (2004) Kringlopen in de biologische landbouw, deel 2 : studiedag "Optimaal Intersectoraal": een breed scala aan uitdagingen. Ekoland : vakblad voor biologische landbouwmethoden, verwerking, afzet en natuurvoeding, 2004, 24 (4), 16 - 17.

Wit, J. De and Heeres, E. (2004) Conserveren van beheersgras, kan dat smakelijk voer opleveren? Louis Bolk Instituut, Driebergen, NL.

Witzgall, Peter (2004) Sex pheromones and plant volatiles for control of orchard insects. In: Boos, Markus (Ed.) Ecofruit - 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 3rd February to 5th February 2004 at Weinsberg/Germany, pp. 21-22.

Wivstad, Maria; Milestad, Rebecka and Lund, Vonne (2004) Regelverk – möjligheter och hinder att uppnå målen för ekologiskt lantbruk. Centre for sustainable agriculture .

Wivstad, Maria; Milestad, Rebecka and Lund, Vonne (2004) Regelverk – möjligheter och hinder att uppnå målen för ekologiskt lantbruk. [Framework of rules - possibilities and obsticles to achieve the goals for organic production.] Swedish University of Agricultural Sciences , Centre for sustainable agriculture.

Wlcek, Sonja and Zollitsch, Werner (2004) Sustainable pig nutrition in organic farming: By-products from food processing as a feed resource. Renewable Agriculture and Food Systems, 19 (3), pp. 159-167.

Woerden, S. Van (2004) Sociaal-cultureel biologisch glastuinbouwbedrijf. Wageningen UR, Wageningen, NL.

Wolf, J.M. Van Der (2004) Natuurlijke middelen voor ontsmetting van biologisch zaad. Rapport / Plant Research International 67. Nota / Plant Research International 67. Plant Research International, Wageningen, NL.

Wolfert, Sjaak; Kramer, Klaas Jan; Richter, Toralf; Hempfling, Gabriele; Lux, Susanne and Recke, Guido (2004) European Information System for Organic Markets (EISFOM QLK5-2002-02400): WP 2: “Data collection and processing systems (DCPS) for the conventional markets” and WP 3: “Data collection and processing systems for organic markets” = Deliverable D2. Unpublished Report of the project QLK5-2002-02400: European Information System for Organic Markets (EISfOM). Agricultural Economics Research Institute (LEI), Wageningen, The Netherlands, Research Institute of Organic Agriculture (FiBL), Frick Switzerland .

Woodward, Lawrence (2004) Elm Farm Research Centre Bulletin No. 75. Elm Farm Research Centre , Research, Policy and Organic Advisory Service.

Wynen, Els (2004) Impact of organic guarantee systems on production and trade in organic products. Working paper, UNCTAD / IFOAM / FAO, International Task Force on Harmonization and Equivalence . [Unpublished]

Wynia, P. (2004) begin van een revolutie. Agro informatica : tijdschrift van de Vereniging voor Informatici werkzaam in de Agrarische Sector, 2004, 17 (2), 19 - 21.

Wyss, Eric (2004) Publikationsliste. [List of Publications of Eric Wyss.] Forschungsinstitut für biologischen Landbau, CH-Frick . [Unpublished]

Wyss, Eric (2004) Wirkung von Spinosad (Audienz) gegen Erdflöhe (Phyllotreta sp.) an Brokkoli. [Effect of Spinosad (Audienz) against flea beetles (Phyllotreta sp.)on broccoli.] Forschungsinstitut für biologischen Landbau (FiBL), Frick, Schweiz .

Wyss, Eric and Daniel, Claudia (2004) Mittelprüfung 2004: Entomologie Gemüsebau. [Input Tests 2004: Entomology organic vegetable production.] Mittelprüfungsberichte. Forschungsinstitut für biologischen Landbau (FiBL), CH-5070 Frick , Pflanzenschutz: Schädlinge, Nützlinge.

Wyss, Eric and Daniel, Claudia (2004) Attaques en rase-mottes dans les cultures maraîchères biologiques suisses. Bioactualité (2), pp. 22-23.

Wyss, Eric and Daniel, Claudia (2004) Die Wirksamkeit von Einflugbarrieren gegen die Besiedelung von Broccoli und Kohlrabi durch die Kohldrehherzgallmücke Contarinia nasturtii (Diptera: Cecidomyiidae). [The effect of exclusion fences on the colonization of broccoli and kohlrabi by the Swede midge, Contarinia nasturtii (Diptera: Cecidomyiidae).] In: Mitteilungen der Deutschen Gesellschaft für allgemeine und angewandte Entomologie. 14 (1-6):, no. ISSN 0344-90840. Mitteilungen der Deutschen Gesellschaft für allgemeine und angewandte Entomologie, pp. 387-390.

Wyss, Eric and Daniel, Claudia (2004) Effects of autumn kaolin and pyrethrin treatments on the spring population of Dysaphis plantaginea in apple orchards. [http://www.blackwellpublishing.com/abstract.asp?ref=0931-2048&vid=128&iid=2&aid=11&s=&site=1.] Journal of applied entomology, 128 (2), pp. 147-149.

Wyss, Eric and Daniel, Claudia (2004) Tiefflieger über Schweizer Gemüsefeldern. [Exclusion fences in Swiss organic vegetable production.] Bioaktuell (2), pp. 14-15.

Wyss, Gabriela (2004) Pesticide and mycotoxin contamination of organic products and strategies for prevention. In: Proceedings of the First World Congress on Organic Food. Meeting the Challenges of Safety and Quality for Fruits, Vegetables, and Grains..

Wyss, Gabriela; Nowack, Karin; Koller, Martin and Mäder, Paul (2004) Managing strategies for organochlorine contaminated soils for a safe food production. In: Proceedings of the Working Group 3: Improving nutritional quality and safety of food crops, COST 859.

Wyss, Gabriela and Seiler, Kurt (2004) Hintergrundbelastung und Abdriftsituationen bei Biorebbauparzellen: Untersuchungskampagne 2003/04 - Vorläufige Resultate. [Pollution environnementale et problèmes de dérives des traitements touchant des parcelles viticoles biologiques: Campagne d’analyses 2003/2004 — Résultats provisoires.] In: Häseli, Andreas (Ed.) Tagungsband zur Bioweinbautagung 2004 in Olten, Forschungsinstitut für biologischen Landbau, Frick.

Wyss, Eric (2004) Wirkung von Spinosad (Audienz) gegen Erdraupen (Agrotis sp.)an Möhren. [Effect of Spinosad (audienz)against black cutworm (Agrotis sp.) of carrots.] Forschungsinstitut für biologischen Landbau (FiBL), Frick , Pflanzenschutz: Schädlinge, Nützlinge.

Wyss, G.S.; Charudattan, R.; Rosskopf, E. and Littell, R. (2004) Effects of selected pesticides and adjuvants on germination and vegetative growth of Phomopsis amaranthicola, a biocontrol agent for Amaranthus spp. Weed Research, 44 (6), pp. 469-482.

Yli-Viikari, Anja and Savisalo, Leena (2004) Use of indicators as tools of decision-making. In: (Pre)Proceedings of the 6th European IFSA symposium, pp. 879-882.

Yong, Chen; Halekoh, Ulrich; Jørgensen, Henry and Lauridsen, Charlotte (2004) Rats show individual preference for short-term choice of three human diets. In: Challenges to food science and technology. Abstract collection, Food Congress 2004., Levnedsmiddelcentret, p. 145.

Younie, David and Walkenhorst, Michael (2004) Nachhaltige Tiergesundheit und Lebensmittelsicherheit im ökologischen Landbau – Bericht vom ersten Workshop des SAFO-Netzwerks. [Sustainable animal health and food security in organic agriculture - report from the first workshop of the SAFO network.] ZGTM Zeitschrift für Ganzheitliche Tiermedizin, 18, pp. 108-110.

Yussefi, Minou; Willer, Helga and Geier, Bernward (2004) Organic Agriculture Worldwide - Still on the Rise 2004. Ecology & Farming.

Zaller, Johann G. (2004) Competitive ability of Rumex obtusifolius against native grassland species: above- and belowground allocation of biomass and nutrients. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz-Journal of Plant Diseases and Protection, Sp. Iss. 19, pp. 345-351.

Zaller, Johann G. and Köpke, Ulrich (2004) Effects of traditional and biodynamic farmyard manure amendment on yields, soil chemical, biochemical and biological properties in a long-term field experiment. Biology and Fertility of Soils, 40, pp. 222-229.

Zaller, Johann G (2004) Competitive ability of Rumex obtusifolius against native grassland species: above- and belowground allocation of biomass and nutrients. Journal of Plant Diseases and Protection, 19, pp. 345-351.

Zander, Katrin (2004) Betriebswirtschaftliche Methoden in der Umstellungsentscheidung. [Methodological approaches in farm economics concerning conversion to organic farming.] In: Unternehmensentwicklung in der Gartenbauwirtschaft - Planung und Umsetzung und Veränderungsprozesse gestalten - Beiträge für einen zukunftsfähigen Gartenbau, Auswertungs- und Informationsdienst für Ernährung, Landwirtschaft und Forsten e.V., pp. 6-14.

Zanen, M. and Bokhorst, J. (2004) Nieuwsbrief nummer 3 - november 2004. Nieuwsbrief bijzondere bemesting / Louis Bolk Instituut, 2004 (3), 1 - 2.

Zanen, M. and Koopmans, C. (2004) Nieuwsbrief nummer 1 - maart 2004. Nieuwsbrief bijzondere bemesting / Louis Bolk Instituut, 2004 (1), p. 1.

Zanen, M. and Koopmans, C. (2004) Nieuwsbrief nummer 2 – juli 2004. Nieuwsbrief bijzondere bemesting / Louis Bolk Instituut, 2004 (2), 1 - 4.

Zangenberg, M.; Hansen, H.B.; Jørgensen, J.R. and Hellgren, L.I. (2004) Cultivar and Year-to-Year Variation of Phytosterol Content in Rye (Secale cereale L.). Journal of Agricultural and Food Chemistry, 52 (9), pp. 2593-2597.

Zeeland, M.G. Van; Weide, R.Y. Van Der; Groeneveld, M.W.; Scheepens, P.C. and Uffing, A.J.M. (2004) Effecten van biologische grondontsmetting op de onkruiddruk. PPO nr. 520274. Praktijkonderzoek Plant & Omgeving, Wageningen, NL.

Zeltner, Esther (2004) Gibt es eine "bio-kompatible" Legepause? [Are laying intervals compatible with organic farming?] Bioland - Fachmagazin für den ökologischen Landbau (3/2004), p. 20.

Zeltner, Esther (2004) Verlängerte Nutzungsdauer von Legehennen im Biolandbau. [Longer use of laying hens in organic farming.] Freiland- Journal (2/04), pp. 8-9.

Zeltner, Esther and Hirt, Helen (2004) Grünauslaufnutzung von Legehennen bei Wechselweide mit und ohne Tunnel. Poster at: 17. IGN-Tagung / 11. FREILAND-Tagung: Auf dem Weg zu einer artgerechten Tierhaltung, Universität für Bodenkultur, Wien, 23.-25.09.2004. [Unpublished]

Zeltner, Esther and Hirt, Helen (2004) How should a hen run be structured so that it is used evenly by laying hens ? Speech at: Proceedings of the 38th International Congress of the ISAE, Helsinki, 03.-07.08.2004.

Zeltner, Esther and Hirt, Helen (2004) Ökologische Legehennenhaltung: Strukturierung von Grünausläufen. [Organic laying hen husbandry: Structuring of hen runs.] DGS-Magazin (Woche 45), pp. 22-24.

Zeltner, Esther and Hirt, Helen (2004) Wie beeinflusst eine Legepause das Verhalten und den Tierzustand von Legehennen. [How does a laying interval change the behaviour of laying hens?] Speech at: 17. IGN-Tagung / 11. FREILAND-Tagung: Auf dem Weg zu einer artgerechten Tierhaltung, Universität für Bodenkultur, Wien, 23.-25.09.2004.

Zeltner, Esther; Hirt, Helen and Hauser, J. (2004) How to motivate laying hens to use the hen run? In: Hovi, Malla; Sundrum, Albert and Padel, Susanne (Eds.) Organic livestock farming: potential and limitations of husbandry practice to secure animal health and welfare and food quality. Proceedings of the 2nd SAFO Workshop 25-27 March 2004, Witzenhausen, Germany. SAFO Sustaining Animal Health and Food Safety in Organic Farming. A European Commission funded Concerted Action Project. University of Reading, pp. 161-165.

Zeltner, Esther; Hirt, Helen and Hauser, Jeanine (2004) Ökologische Legehennenhaltung: Untersuchungen zum Herdenmanagement. [Organic laying hen husbandry: Investigations on flock management.] DGS-Magazin, 2004 (Woche 32), pp. 18-20.

Zessen, T. Van (2004) Gras-klaver in brok : Jan Vis: "Ik bespaar op duur biologisch krachtvoer" : special Klaver. Veeteelt : magazine van het Koninklijk Nederlands Rundvee Syndicaat NRS, 2004, 21 (16), p. 37.

Zevenbergen, G. (2004) Goud scheiden : mestverwerking : 75 jaar 1929 2004 Aver-Heino. Veehouderij Techniek, 2004, 7 (2), p. 31.

Ziesemer, Andrea and Harms, Jana (2004) Die Veredlung im ökologischen Landbau - rentabel oder nicht? Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Znaor, Darko and Karoglan Todorović, Sonja (2004) Agri-Environment Programme for Croatia. Ecologica, Zagreb.

Zonderland, J.J.; Spruijt-Verkerke, J.; Visser, M. De; Smid, J. and Enting, J. (2004) Intersectorale samenwerking in de biologische landbouw = Intersectoral collaboration in organic farming, Modellering van mineralenstromen = Modelling mineral flows. Praktijkrapport / Animal Sciences Group, Praktijkonderzoek. Rundvee 54. Animal Sciences Group, Praktijkonderzoek, Lelystad, NL.

Zuilichem, H.; Kater, L. and Huijsmans, J.M.G. (2004) Drijfmesttoepassing vergt meer onderzoek : onderzoek biologische teelt. BloembollenVisie, 2004 (50), 24 - 25.

Zuilichem, H. Van and Jansma, J.E. (2004) Zicht op de hele keten basis voor succes met biologische snijtulp : onderzoek tulp. BloembollenVisie, 2004 (46), 22 - 23.

Zuilichem, H. Van and Jansma, J.E. (2004) Zoeken naar beste combinatie van N-bemesting in biologische bollenteelt. BloembollenVisie, 2004 (31), 20 - 21.

Zuilichem, H. Van and Vreeburg, P. (2004) Productie biologisch uitgangsmateriaal narcis en hyacint valt nog niet mee. BloembollenVisie, 2004 (51), p. 24.

Zuilichem, J.A.A. Van and Conijn, C.G.M. (2004) Praktijkproef bestrijding tulpengalmijt met CA-bewaring. PPO nr. 713. Praktijkonderzoek Plant & Omgeving, Sector Bloembollen, Lisse, NL.

Zuilichem, J.A.A. Van; Kater, L.J.M.; Bakkum, C.A.; Wondergem, M.J.; Jansma, J.E.; Huijsmans, J.F.M. and Hol, J.M.G. (2004) Rijenbemesting met rundveedrijfmest in biologische teelt van narcis : teelttechnische toepassing en ammoniakemissie. PPO nr. 712. Praktijkonderzoek Plant en Omgeving, Bloembollen, Lisse, NL.

Zupp, Wolfgang; Martin, Jörg; Nürnberg, Karin and Hartung, Margitta (2004) Lammfleischerzeugung im ökologischen Landbau. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Østergård, H.; Kristensen, K.; Hovmøller, M.S. and Jensen, J.W. (2004) Disease severity and grain yield of spring barley variety mixtures grown under organic and conventional conditions. Paper at: Workshop on Resistance of cereals to biotic stresses., IHAR Radzikóv, Poland, November 28 - December 1, 2004. [Unpublished]

Østergård, Hanne; Bardtrum, Lars and Jensen, Jakob Willas (2004) Sortsblandinger af byg til økologisk jordbrug. [Variety mixtures of barley for organic farming.] FØJOenyt, Nyhedsbrev fra Forskningscenter for Økologisk Jordbrug (2).

Østergård, Hanne and Jensen, Jakob Willas (2004) Characteristics of spring barley varieties for organic farming. In: Vollmann, J.; Grausbruber, H. and Ruckenbauer, P. (Eds.) Genetic variation for plant breeding, Proceedings of the 17th EUCARPIA General Congress, 8-11 September 2004, Tulln-Austria, BOKU - University of Natural Resources and Applied Life Sciences, Vienna, Austria, p. 483.

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