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Items in the subject area " Soil > Soil quality"

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Number of items at this level: 483.

A

Acharya, B.S.; Rasmussen, J. and Eriksen, J. (2012) Grassland carbon sequestration and emissions following cultivation in a mixed crop rotation. Agriculture, Ecosystems & Environment, 153, pp. 33-39.

Alakukku, Laura; Ristolainen, Antti and Nuutinen, Visa (2008) Differences in physical properties of two clay soils. In: NJF Report, Nordic Association of Agricultural Scientists, 4 (3), p. 16.

Albiach, Remedios; Pérez-Piqueres, Ana; Domínguez, Alfons; Pomares, Fernando and Canet, Rodolfo (2014) Short-term effects of different techniques to prepare an organic citrus soil for replanting on its microbiological and biochemical properties. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 965-968.

Alfoeldi, Thomas; Fliessbach, Andreas; Geier, Uwe; Kilcher, Lukas; Niggli, Urs; Pfiffner, Lukas; Stolze, Matthias and Willer, Helga (2002) Organic Agriculture and the Environment. In: El-Hage Scialabba, Nadia and Caroline, Hattam (Eds.) Organic agriculture, environment and food security. Environment and Natural Resources Series, no. 4. Food and Agriculture Organisation of the United Nation (FAO), Rome, chapter 2.

Arthurson , Veronica; Sessitsch, Angela and Jäderlund, Lotta (2011) Persistence and spread of Salmonella enterica serovar Weltevreden in soil and on spinach plants. FEMS Microbiology Letters, 314 (1), pp. 67-74.

Askegaard, Margrethe (2006) Rodukrudt hører ikke hjemme i økologisk planteproduktion. [Perennial weeds are undesirable in organic agriculture.] Speech at: Kan høj produktion og lav miljøbelastning forenes i økologisk jordbrug?, Forskningscenter Foulum, 22. juni 2006.

ASLAN, Burcay (2011) Effect of vetch wheat mixture and broccoli as preceding crops on organic summer vegetables: on farm trial in western Turkey. Masters thesis, Istituto Agronomico Mediterraneo di Bari. . [Completed]

Athmann, Miriam; Kautz, Timo; Huang, Ning and Köpke, Ulrich (2014) Biopore characterization with in situ endoscopy: Influence of earthworms on carbon and nitrogen contents. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 415-418.

Audeh, Samira Jaber Suliman ; Lima, Ana Cláudia Rodrigues de ; Cardoso, Irene Maria ; Jucksch, Ivo and Casalinho, Helvio Debli (2011) Qualidade do solo: uma visão etnopedológica em propriedades agrícolas familiares produtoras de fumo orgânico. [Soil quality: an etnopedologic vision in organic tobacco family farms.] Revista Brasileira de Agroecologia, 6 (3), pp. 34-48.

Axelsen, Jørgen Aagaard (2003) Efterafgrøder og grøngødning giver masser af liv i jorden. [Nitrogen catch crops and green manuere causes a lot of life in the soil.] Tidsskriftet Praktisk Økologi, 2003 (6), pp. 18-19.

B

Balen, Derk van (2013) ploegen of niet ploegen. [To plough or not to plough.] Ekoland, July 2013, 33 (7/8), pp. 14-16.

Balen, Derk van (2012) mechanisatie in dienst van bodembeheer. [mechanisation serving soil management.] Ekoland, May 2012, 32 (5), pp. 12-13.

Bär, Markus (2011) Klimagasbilanz der Landwirtschaft auf null bringen. bioaktuell, 6, pp. 12-15.

Bàrberi, Prof Dr Paolo; Mazzoncini, Prof Marco; Bigongiali, Federica and Antichi, Daniele (2006) SIMBIO-VEG: an interdisciplinary project for improvement of organic systems and meth-ods in arable and vegetable cropping. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Barberi, Paolo; Aendekerk, Raymond; Antichi, Daniele; Armengot, Laura; Berner, Alfred; Bigongiali, Federica; Blanco-Moreno, José Manuel; Carlesi, Stefano; Celette, Florian; Chamorro, Lourdes; Crowley, Oliver; Döring, Thomas; Grosse, Meike; Haase, Thorsten; Hess, Jürgen; Huiting, Hilfred; José-Maria, Laura; Klaedtke , Stéphanie; Kranzler, Andreas; Luik, Anne; Peigne, Joséphine; Sukkel, Wijnand; Surböck, Andreas; Talgre, Liina and Sans, Francesc Xavier (2014) REDUCED TILLAGE AND COVER CROPS IN ORGANIC ARABLE SYSTEMS PRESERVES WEED DIVERSITY WITHOUT JEOPARDISING CROP YIELD. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 765-768.

Beckmann, Uta; Kolbe, Hartmut; Model, Annett and Russow, Rolf (2002) Ackerbausysteme im ökologischen Landbau: Untersuchungen zur Nmin-, N2O-N- und NH2-N-Dynamik sowie Rückschlüsse zur Anbau-Optimierung. [Arable organic farming systems: study on the dynamics of nitrogen mineralisation and demineralisation and conclusions for improving methods of cultivation.] Initiativen zum Umweltschutz, no. 35. Erich Schmidt Verlag, Berlin.

Beckmann, Uta; Kolbe, Hartmut; Model, Annett and Russow, Rolf (2000) Ackerbausysteme im ökologischen Landbau. [Organic arable farming systems.] Sächsische Landesanstalt für Landwirtschaft, Dresden.

Bending, Gary (2002) Changes to soil quality indicators following conversion to organic vegetable production (OF0401). Horticulture Research International, Wellesbourne.

Berner, Alfred; Fliessbach, Andreas; Nietlisbach, Bruno and Mäder, Paul (2008) Effects of reduced tillage on soil organic carbon and microbial activity in a clayey soil. In: Neuhoff, Daniel and et al., (Eds.) Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM).

Berner, Alfred; Frei, Robert and Mäder, Paul (2005) Entwicklung von pfluglosen Anbauverfahren im ökologischen Landbau unter Anwendung verschiedener Hofdüngerformen und biologisch-dynamischer Präparate. [Development of reduced tillage systems in organic farm using different manure types and biodynamic preparations.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Berner, Alfred; Frei, Röbi and Mäder, Paul (2003) Einfluss von biologisch-dynamischen Präparaten, Düngung und Bodenbearbeitung auf Bodenfruchtbarkeit und Ertrag. [Effects of biobynamic preparations, fertilisation and soil management on soil fertility and yields.] Projektbericht. Forschungsinstitut für biologischen Landbau Frick.

Berner, Alfred; Gloor, S.; Fuchs, Jacques G.; Tamm, Lucius and Mäder, Paul (2003) Gesunder Boden - gesunde Pflanzen. [Healthy soils - healthy plants.] In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft. Wien, 24.-26. Februar 2003. Universität für Bodenkultur, Wien - Institut für Ökologischen Landbau, pp. 443-444.

Berner, Alfred; Heller, Stefan and Mäder, Paul (1999) Nährstoffbilanzen im biologischen Landbau. [Nutrient balances in organic agriculture.] In: Hoffmann, H. and Müller, S. (Eds.) Beiträge zur 5. Wissenschaftstagung zum Ökologischen Landbau "Vom Rand zur Mitte". 23.-25.02.1999. Humboldt Universität zu Berlin. Verlag Dr. Köster, Berlin, pp. 226-229.

Berner, Alfred; Hildermann, Isabell; Fliessbach, Andreas; Pfiffner, Lukas; Niggli, Urs and Mäder, Paul (2008) Crop yield and soil fertility response to reduced tillage under organic management. Soil & Tillage Research, 101 (1-2), pp. 89-96.

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

Berner, Alfred; Scherrer, Daniel and Alföldi, Thomas (1997) Stickstoffeffizienz von unterschiedlich aufbereiteten Misten in einer Ackerbaufruchtfolge auf Lösslehm. In: Köpke, U. and Eisele, J.-A. (Eds.) Beiträge zur 4. Wissenschaftstagung zum Ökologischen Landbau. 03.-04.03.1997 an der Rheinischen Friedrich-Wilhelms-Universität, Bonn.. Verlag Dr. Köster, Berlin, pp. 136-142.

Berner, Alfred; Mäder, Paul; Messmer, Monika; Fließbach, Andreas; Krauss, Maike; Dierauer, Hansueli; Clerc, Maurice; Koller, Martin; Meier, Matthias and Schader, Christian (2012) Reduzierte Bearbeitung – fruchtbarere Böden? Ergebnisse aus Parzellenversuchen und von Praxisbetrieben. Lebendige Erde, 3, pp. 40-43.

Berntsen, J.; Grant, R.; Olesen, J.E.; Kristensen, I.S.; Vinther, F.P.; Mølgaard, J.P. and Petersen, B.M. (2006) Nitrate leaching from organic farming systems with rotational grass-clover and arable crops. Soil Use and Management, 22, pp. 197-208.

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; Petersen, B.M.; Pedersen, A. and Jensen, L.S. (2003) Simulating leaching losses following incorporation of grass and grass-clover leys. DARCOFenews (4).

Berry, P.M.; Stockdale, E.A.; Sylvester-Bradley, R.; Philipps, L.; Smith, K.A.; Lord, E.I.; Watson, C.A and Fortune, S. (2003) N, P and K budgets for crop rotations on nine organic farms in the UK. Soil Use and Management, 19 (2), pp. 112-118.

Beste, Andrea (2007) Klimaschutz auf Kosten des Bodenschutzes? [Climate protection at the expense of soil conservation?] Local Land and Soil News (22/23), pp. 28-29.

Beste, Andrea (2005) Landwirtschaftlicher Bodenschutz in der Praxis. Grundlagen, Analyse, Management - Erhaltung der Bodenfunktionen für Produktion, Gewässerschutz und Hochwasservermeidung. [Soil Conservation in Agriculture put into Practice. Basical Knowledge, Analysis, Management - Maintainment of Soil Functions for Production, Water Protection and Prevention from Inundations.] Verlag Dr. Köster. [In Press]

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.

Beste, Andrea (2003) Weiterentwicklung und Erprobung der Spatendiagnose als Feldmethode zur Bestimmung ökologisch wichtiger Gefügeeigenschaften landwirtschaftlich genutzter Böden [Further Development and Improvement of Spade Diagnosis as Field Method for the Evaluation of Ecological Significant Structure Parameters of Soils under Agricultural Management]. Thesis, Justus-von-Liebig-Universität Gießen, Institut für Pflanzenbau und Pflanzenzüchtung. Schriftenreihe Agrarwissenschaft, no. 11. Verlag Dr. Köster, Berlin.

Beste, Andrea (2002) Das Problem mit dem Wasser ist ein Bodenproblem [The water problem is a soil problem]. Ökologie & Landbau, 124 (4/2002), pp. 24-26.

Beste, Andrea (2000) Maintaining ecological soil functions - techniques in organic farming systems. In: Korean Society of Organic Agriculture, (Ed.) Proceedings Conference of Korean Organic Agriculture, Seoul, Korean Society of Organic Agriculture, p. 143.

Beste, Andrea (1999) Ernährungssicherung durch ökologische und sozialverträgliche Bodennutzung [Securing adequate food supply by ecologically and socially responsible land use]. Ökologie & Landbau, 4/1999 (112), pp. 40-42.

Beste, Andrea (1999) Wie muss Boden bewirtschaftet werden, damit seine ökologische Funktionsfähigkeit langfristig erhalten bleibt? [How does soil need to be managed to maintain its long-term ecological functioning?]. In: Positionen und Vorschläge, 3. Gaytaler Gespräche. Wege zu einer nachhaltigen Entwicklung in der Region. Die Rolle des Bodens.

Beste, Andrea; Hampl, Ulrich and Kussel, Norbert (2001) Bodenschutz in der Landwirtschaft: Einfache Bodenbeurteilung für Praxis, Beratung und Forschung. [Soil conservation in agriculture: Simple soil evaluation for practice, extension and research.] Ökologische Konzepte, no. 101. Stiftung Ökologie und Landbau, Bad Dürkheim.

Beste, Dr Andrea (2007) Klimaschutz auf Kosten des Bodens? [Protecting Climate versus Soil Quality?] Lebendige Erde (05), p. 19.

Beste, Dr. Andrea (2005) Qualitative Bodenbeurteilung zur Erhaltung der Bodenfunktionen für Produktion, Gewässerschutz und Hochwasservermeidung. [Qualitative soil assessment - maintaining soil functions for clean water ressources, avoiding inundations, improving production.] Stiftung Ökologie & Landbau.

Beste, Dr. Andrea (2005) Bodenqualität als Grundlage für Produktqualität im ökologischen Lanbdau. [Soil quality - a precondition for food quality in organic farming.] In: Einsiedel, SIGÖL, Roland (Ed.) XXXI Fortbildungskurs der Interessensgemeinschaft Ökologischer Landbau e.V. "Boden, Pflanze, Tier, Vermarktung", Heft 15/2005, pp. 15-26.

Biegemann, Thorsten; Loges, Ralf and Taube, Friedhelm (2013) Langfristige Effekte einer Grünlanderneuerungsmaßnahme auf den Bodenkohlenstoffgehalt und die N2O-Emissionen. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

Birkhofer, K; Bezemer, TM; Bloem, J; Bonkowski , M; Christensen , S; Dubois , D; Ekelund , F; Fließbach , A; Gunst , L; Hedlund , K; Mäder , P; Mikola , J; Robin , C; Setälä , H; Tatin-Froux , F; Van der Putten , WH and Scheu, S (2008) Long-term organic farming fosters below- and aboveground biota: Implications for soil quality, biological control and productivity. Soil Biology and Biochemistry, 40, pp. 2297-2308.

Birkhofer, K.; Fließbach, A.; Wise, D.H. and Scheu, S. (2011) Arthropod food webs in organic and conventional wheat farming systems of an agricultural long-term experiment: a stable isotope approach. Agricultural and Forest Entomology, 13 (2), pp. 197-204.

Bleken, Ass. prof Marina Azzaroli; Krogstad, Prof. Tore; Speetjens, Koen and Heim, Ass. pref. Michael (2008) Use of a mixture of biotite- and apatite-rich rock powder in a soil with inherent low soil fertility. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Blume, Steffen (2013) Pakning af jord med store mejetærskere på bælte og hjul. [Packing the soil with large combine harvester belts and wheels.] In: Økologisk Planteavlsberetning 2013. Økologisk Rådgivning, pp. 46-47.

Blume, Steffen (2013) Udbyttepåvirkning ved CTF-drift. [Yield Effect by CTF-operation.] In: Økologisk Planteavlsberetning 2013. Økologisk Rådgivning, pp. 44-45.

Boldrini, Dr Arianna; Benincasa, Dr Paolo; Gigliotti, Prof Giovanni; Businelli, Prof Daniela and Guiducci, Prof Marcello (2008) Effects of an organic and a conventional cropping system on soil fertility. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Boval, Maryline; Faverial, J.; Mulciba, P.; Loranger-Merciris, G.L.M. and Sierra , J. (2013) Intensify pastures for livestock production: vermicompost use, an agro-ecological practice. [Intensifier la production animale au pâturage : le vermicompost, pratique agro-écologique.] Innovations Agronomiques, 32, pp. 83-93.

Braun, Michaela; Schmidt, Harald and Grundler, Thomas (2009) Vergleich verschiedener Klee-Gras-Mischungen anhand der Wurzel- und Sprossleistung. In: Wiesinger, Klaus and Cais, Kathrin (Eds.) Angewandte Forschung un Beratung für den ökologischen Landbau in Bayern; Öko-Landbau-Tag 2009, Bayerische Landesanstalt für Landwirtschaft, Freising-Weihenstephan, Schriftenreihe der Bayerischen Landesanstalt für Landwirtschaft (LfL), no. 7/2009, pp. 35-42.

BRESSOUD, frederique (2011) Gestion des apports organiques en systèmes de culture maraîchers. [Organic fertilisers management in vegetable farming systems.] INRA.

Bressoud, Frédérique and Parès, Laure (2011) Amendements organiques et maraîchage biologique sous abri : résultats de 8 années d’expérimentation. [Organic fertilisers and organic sheltered vegetable cropping: results of an 8-years experiment.] Echo-MO, 89, pp. 3-6.

Brock, Christopher; Hoyer, Uta; Leithold, Günther and Hülsbergen, Kurt-Jürgen (2008) A New Approach to Humus Balancing in Organic Farming. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Brock, Christopher and Leithold, G. (2007) Humusbilanzmethoden als Prognose- und Bewertungsinstrumente im ökologischen Landbau – allgemeiner und spezieller Anpassungsbedarf. [Humus balance methods as management tools in organic farming - evaluation for adaptation.] Paper at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Brock, Christopher (2013) Workshop: Der Humus und wir, oder: Was bringt der Humus dem Ökolandbau und was bringt der Ökolandbau dem Humus? Workshop at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität Bonn, Deutschland, 5. bis 8. März 2013. [Completed]

Brock, Christopher; Fließbach, Andreas; Oberholzer, Hans-Rudolf; Schulz, Franz; Wiesinger, Klaus; Reinicke, Frank; Koch, Wernfried; Pallutt, Bernhard; Dittman, Bärbel; Zimmer, Jörg; Hülsbergen, Kurt-Jürgen and Leithold, Günter (2011) Relation between soil organic matter and yield levels of nonlegume crops in organic and conventional farming systems. Journal of Plant Nutrition and Soil Science, 174 (4), pp. 568-575.

Brock, Christopher and Leithold, Günter (2014) A PRACTICE APPLICABLE MODEL FOR THE ASSESSMENT OF MANAGEMENT IMPACT ON ORGANIC MATTER IN ARABLE SOILS. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 457-458.

Brouwer, Gerjan and Timmermans, B.G.H. (2012) Bemesting biologische fruitteelt. [Organic fruit fertilization.] Louis Bolk Instituut , Driebergen.

Bruun, Sander; Hansen, Trine L.; Christensen, Thomas H.; Magid, Jakob and Jensen, Lars S. (2006) Application of processed organic municipal solid waste on agricultural land - a scenario analysis. Environmantal Modeling and Assessment, 11, pp. 251-265.

Bugge Henriksen, Christian (2000) Er kamme et alternativ til pløjning? Speech at: Det Kgl. Danske Landhusholdningsselskabs Akademiråds efterårsseminar, Foulum, Denmark, November 8. 2000.

Burgt, Geert-Jan H.M.; Wijk, Kees and Haagsma, Wiepie (2012) Fosfaatwerking in organische mest; 13 jaar onderzoek in biologische teelt op Proefveld Mest Als Kans. [Effect of organic manures on soil phosphate availability.] Louis Bolk Instituut , Driebergen.

C

Canali, S.; Riva, F.; Natalini, M. and Sequi, P. (2002) Il registro dei fertilizzanti per l'agricoltura biologica. [The Register of fertilisers and soil conditioners in organic farming.] L’ Informatore Agrario, February 2002 (11 - Supplemento n. 1), pp. 5-7.

Canali, Stefano (2005) Il ruolo della fertirrigazione in agricoltura biologica. [The ferti-irrigation role in organic farming.] www.phytomagazine.com, Speciale fertirrigazione ( 10), pp. 79-84.

Canali, Stefano (2003) Soil quality of organically managed citrus orchards in the Mediterranean area. In: Organic Agriculture: Sustainability, Markets and Policies. OECD. CABI Publishing, Wallingford, UK, chapter 2, pp. 115-125.

Canali, Stefano; di Bartolomeo, Emanuela and Torrisi, Biagio (2005) Soil quality comparison among organically and conventionally managed citrus orchards in Eastern Sicily (Italy). Poster at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Canet, Rodolfo (2012) Técnicas de cultivo innovadoras para incrementar la salud del suelo en el cultivo ecológico de frutales: el proyecto BIO-INCROP. AE.Agricultura y ganadería ecológica.Revista de Divulgación Técnica, April 2012, 2012 (7), p. 30.

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]

Chirinda, Mr Ngonidzashe and Olesen, Professor Jørgen, E. (2008) Effects of organic matter input on soil microbial properties and crop yields in conventional and organic cropping systems. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Chirinda, Mr Ngonidzashe; Olesen, Professor Jørgen, E. and Porter, Professor John, R (2008) Effects of organic matter input on soil microbial properties and crop yields in conventional and organic cropping systems. Paper at: Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), Modena Italy, 18-20 June 2008 in Modena Italy.

Chirinda, N.; Olesen, Jørgen E. and Porter, J.R. (2011) High Root Biomass FOR cereal crops increases carbon sequestration in organic Arable systems. Paper at: 17th IFOAM Organic world congress.

Christensen, B.T. (2001) Physical fractionation of soil and structural and functional complexity in organic matter turnover. European Journal of Soil Science, 52 (3), pp. 345-353.

Christensen, B.T. and Johnston, A.E. (1997) Soil organic matter and soil quality - lessons learned from long-term experiments at Askov and Rothamsted. In: Gregorich, E.G. and Carter, M.R. (Eds.) Soil quality for crop production and ecosystem health. Developments in soil science, no. 25. Elsevier Science, pp. 399-430.

Christensen, Bent T. (2000) Hvad forstås ved begrebet jordens frugtbarhed. Tidsskrift for Landøkonomi, 187 (4), pp. 276-279.

Christian Bugge, Henriksen (2000) Kamme - et alternativ til pløjning? In: P. Dam, Hans (Ed.) Tidsskrift for Landøkonomi, Det Kgl. Danske Landhusholdningsselskab, 187 (4), pp. 311-314.

Clerc, Maurice; Mäder, Paul and Berner, Alfred (2010) Le travail réduit du sol est-it possible? Agri.

Coll, P; Le Cadre, E; Mérot, A and Villenave, C (2013) The characterization of the soil biological quality of organic viticulture can be achieved by analyzing soil nematofauna. [La caractérisation du fonctionnement biologique du sol en viticulture biologique peut être réalisée par l’analyse de la nématofaune.] Innovations Agronomiques, 32, pp. 391-400.

Coll, Patrice (2011) Qualité des sols viticoles en Languedoc Roussillon : effets des pratiques. [Vineyard soil quality in Languedoc-Roussillon : effects of agricultural practices.] PhD thesis, Montpellier SupAgro. . [Completed]

Coll, Patrice; Le Cadre, Edith; Blanchart, Eric; Hinsinger, Philippe and Villenave, Cécile (2011) Organic viticulture and soil quality: A long-term study in Southern France. Applied Soil Ecology, 50, pp. 37-44.

Coll, Patrice; Le Velly, Ronan; Le Cadre, Edith and Villenave, Cécile (2012) La qualité des sols : associer perceptions et analyses des scientifiques et des viticulteurs. [Soil quality: associate perceptions and analyses of scientists and wine-growers.] Etude et gestion du sol, 19 (2), pp. 79-89.

Cuijpers, W.J.M.; Smeding, F.; Amsing, J.; Postma, J. and Koopmans, C.J. (2005) Effect of organic fertilizers on regeneration of biodiversity after soil steaming in organic glasshouses. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Cuijpers, Willemijn and van der Burgt, Geert-Jan (2008) Bodemvitaliteit in de biologische kasteelt: Effect van grondbewerking en introductie van regenwormen op de bodemstructuur. [Soil vitality in organic glasshouse crops.] Louis Bolk Instituut publications, no. LB23. Louis Bolk Instituut.

Cuijpers, Willemijn and Burgt, Geert-Jan H.M. (2013) Effect of Field Treatments against Root-Knot Nematodes on Soil Suppressiveness against Fusarium oxysporum f.sp. linii. Poster at: 2nd International Symposium on Organic Greenhouse Horticulture, Avignon, France, October 28-31, 2013.

Cuvardic, Assoc. Prof. Maja; Seremesic, M.Sc. Srdjan and Novakovic, Dipl. ing. Nenad (2006) Soil Fertility in Organic Farming in the First Years After Transition. Poster at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

D

De Boer, H.C. and Van Eekeren, N. (2007) Bodemverdichting door berijden bij zodebemesten: effecten op opbrengst en voederwaarde van gras-klaver, bodemstructuur en biologische bodemkwaliteit. [Soil compaction due to trafficking during slurry injection: effects on yield and nutritional value of grass-clover, soil structure and biological soil quality.] Report, no. 47. Wageningen UR, Animal Sciences Group / Veehouderij.

de Jonge, L.W.; Moldrup, P. and Schjønning, P. (2009) Soil Infrastructure, Interfaces & Translocation Processes in Inner Space (“Soil-it-is”): Towards a Road Map for the Constraints and Crossroads of Soil Architecture and Biophysical Processes. Hydrology and Earth System Sciences, 13, pp. 1485-1502.

Delate, Dr. Kathleen; Cambardella, Dr. Cindy; Chase, Dr. Craig and Turnbull, Robert (2008) Beneficial System Outcomes in Organic Fields at the Long-Term Agroecological Research (LTAR) Site, Greenfield, Iowa, USA. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Deru, Joachim; Schilder, Henk; Schoot, Jan Rinze, van der and Eekeren, N. van (2014) Genetic differences in root mass of Lolium perenne varieties under field conditions. Euphytica, may 20, pp. 1-11.

Devide, Antonio Carlos Pries (2013) Culturas anuais para sistemas agroflorestais com Calophyllum braziliense em várzea e terraço fluvial. [Annual crops for agroforestry systems with Calophyllum brasiliense in lowland and upland.] Working paper, Instituto de Fitotecnia, Instituto de Agronomia - UFRRJ. [Unpublished]

Devide, Antonio Carlos Pries (2013) História ambiental do Vale do Paraíba. [Environmental history of the Vale do Paraíba.] Working paper, Departamento de Fitotecnia, Instituto de Agronomia - UFRRJ. [Submitted]

Dhoore, Koen (2013) Biobedrijfsnetwerken groenten - akkerbouw. ILVO - proefvelden niet-kerende grondbewerking en compostsite. .

Dhoore, Koen (2012) Biobedrijfsnetwerk akkerbouw - vollegrondsgroenten Proefveldbezoek Tilman-org Project - ILVO Resultaten onderzoek niet-kerende grondbewerking en bemesting. .

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 (2014) Klima- und bodenschonender Bioackerbau: Ergebnisse aus Exakt- und Praxisversuchen. Poster at: 1. Nationale Ackerbautagung , Inforama Rütti, Zollikofen, 6. Februar 2014. [Completed]

Dlouhy, Josef (2011) Diskuse o potřebě ekologických metod v zemědělství je stále aktuální. [Discussion of the need for ecological methods in agriculture is still valid.] Zemědělec, 2011, 2011 (31), p. 27.

Driouech, Noureddin (2008) Annual self-reseeding legumes and their application into mediterranean cropping systems. [Légumineuses annuelles d'autoressemis et leur application dans les systèmes culturels méditerranéens.] Thesis, University of Tuscia, Viterbo, Vegetable Production. .

Dubois, David; Mäder, Paul; Fliessbach, Andreas and Strasser, Fredi (2003) Auswirkungen reduzierter Hofdüngergaben im Bioackerbau. [Effects of reducing farm yard manure in organic arable farming.] Bioaktuell (9/03), pp. 6-7.

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EL HANAFI SEBTI, Kawtar (2005) Compost tea effects on soil fertility and plant growth of organic tomato (Solanum Lycopersicum Mill) in comparison with different organic fertilizers. [Effets du jus de compost sur la fertilité du sol et la croissance de la plante chez la tomate biologique (Solanum Lycopersicum Mill) par rapport aux différents fertilisants. biologiques.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic farming. Collection Master of Science IAMB-CIHEAM (International Centre for advanced Mediterranean agronomic studies), no. 405. . [Unpublished]

Elmholt, S. and Holmstrup, M. (2003) Livet i jorden. In: Holmstrup, M. (Ed.) Økologisk landbrug og naturen - gør økologisk landbrug en forskel for natur og miljø?. Miljøbiblioteket, no. 1. Gads Forlag, chapter 2, pp. 21-31.

Elmholt, S.; Schjønning, P.; Munkholm, L.J. and Debosz, K. (2008) Soil management effects on aggregate stability and biological binding. Geoderma, 144 (3-4), pp. 455-467.

Elmholt, Susanne; Munkholm, Lars J.; Debosz, Kasia and Schjønning, Per (2000) Biotic and abiotic binding and bonding mechanisms in soils with long-term differences in management. In: Elmholt, Susanne; Stenberg, Bo; Grønlund, Arne and Nuutinen, V. (Eds.) DIAS report, Danish Institute of Agricultural Sciences, 38, pp. 53-62.

Elmholt, Susanne; Stenberg, Bo; Grønlund, Arne and Nuutinen, Visa (Eds.) (2000) Soil Stresses, Quality and Care. Danish Institute of Agricultural Research, DIAS Report, no. 38. Proceedings of Soil Stresses, Quality and Care. NJF Seminar 310, Ås, Norway, 10-12 April 2000.

Emmerling, Christoph (2002) Einfluss reduzierter Grundbodenbearbeitung im Ökologischen Landbau auf bodenökologische Eigenschaften. [Reduced tillage in organic farming: impact on soil ecology.] In: Bodenbearbeitung und Bodengesundheit: Zwischenergebnisse im Projekt Ökologische Bodenbewirtschaftung in Wörrstadt-Rommersheim (Rheinhessen, Rheinland-Pfalz). Schriftenreihe der Landesanstalt für Pflanzenbau und Pflanzenschutz, no. 13. Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz und Stiftung Ökologie und Landbau, Bad Dürkheim, pp. 25-46.

Erdal, Ülfet; Sökmen, Ömer; Üner, Kürşat; Bilir, Lamia; Göçmez, Selçuk; OKUR, Nur; Okur, Bülent; Anaç, Dilek; Ongun, Ali Rıza; Ertem, Atila and Çakmak, Reşat (2010) Bağ Yetiştiriciliğinde Organik ve Konvansiyonel Tarım Uygulamalarının Verim, Kalite ve Toprak Özellikleri Üzerine Etkileri. [The effects of Organic and Conventional Farming Practices on Yield, Quality and Soil Properties in Vineyard Growing.] In: Alay Vural, Ayşen (Ed.) Organik Tarım Araştırma Sonuçları 2005-2010. T.C. Tarım ve Köyişleri Bakanlığı, Ankara, Turkey, pp. 333-340.

Erdal, Ülfet; Sökmen, Ömer; Üner, Kürşat; Bilir, Lamia; Göçmez, Selçuk; Okur, Nur; Okur, Bülent; Anaç, Dilek; Ongun, Ali Rıza; Ertem, Atila and Çakmak, Reşat (2010) Pamuk Yetiştiriciliğinde Organik ve Konvansiyonel Tarım Uygulamalarının Verim, Kalite ve Toprak Özellikleri Üzerine Etkileri. [The effects of Organic and Conventional Farming Practices on Yield, Quality and Soil Properties in Cotton Growing.] In: Alay Vural, Ayşen (Ed.) Organik Tarım Araştırma Sonuçları. T.C. Tarım ve Köyişleri Bakanlığı, Ankara, Turkey, pp. 325-332.

Erhart, Eva; Hartl, Wilfried; Bartl, Barbara; Putz, Berta and Horak, Othmar (2009) Bioabfallkompost im biologischen Landbau – Auswirkungen auf die Gehalte von bioverfügbaren Schwermetallen im Boden. Poster at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Erhart, Eva; Siegl, Thomas; Bonell, Marion; Unterfrauner, Hans; Peticzka, Robert; Ableidinger, Christoph; Haas, Dieter and Hartl, Wilfried (2013) Auswirkungen zweijähriger Düngung mit NAWARO-Biogasgülle auf chemische und physikalische Bodeneigenschaften. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

Eriksen, J. (2012) Kløvergræs og urter in den økologiske græsmark. Ny Kvægforskning, February 2012, 1, pp. 6-7.

Eriksen, J.; Mortensen, T. and Søegaard, K. (2012) Root biomass and carbon storage in differently managed multispecies temporary grasslands. In: Grassland Science in Europe, 17, pp. 610-612.

Esperschütz, Jürgen; Gattinger, Andreas; Mäder, Paul; Schloter, Michael and Fließbach, Andreas (2007) Response of soil microbial biomass and community structures to conventional and organic farming systems under identical crop rotations. FEMS Microbiology Ecology, 61 (1), pp. 26-37.

Esperschütz, Jürgen; Gattinger, Andreas; Schloter, Michael and Fließbach, Andreas (2005) Strukturelle und funktionelle Charakterisierung von mikrobiellen Gemeinschaften in ökologisch und konventionell bewirtschafteten Ackerböden. In: Hess, Jürgen and Rahmann, Gerold (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, pp. 17-20.

Eyhorn, Frank; Mäder, Paul and Ramakrishnan, Mahesh (2005) The Impact of Organic Cotton Farming on the Livelihoods of Smallholders. Evidence from the Maikaal bioRe poject in central India. Research Report. Forschungsinstitut für biologischen Landbau (FiBL) CH-Frick.

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Fischer, Meike; Raupp, Joachim; Mäder, Paul; Dubois, David and Römheld, Volker (2005) Micronutrient status in two long-term trials with fertilisation treatments and different cropping systems. Poster at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Fließbach, A.; Mäder, P.; Dioup, A.; Hepperly, P.; Luttikholt, L.; Scialabba, N. and Niggli, U. (2009) Mitigation and Adaptation Strategies – Organic Agriculture. Poster at: 21st Session of the FAO Committee on Agriculture, Rome, April 22-25, 2009. [Unpublished]

Fließbach, Andreas and Mäder, Paul (2009) Einfluss von Pseudomonas fluorescens auf Ertrag von Weizen und mikrobielle Biomasse des Bodens. Poster at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Fließbach, Andreas; Schmidt, Christoph; Bruns, Christian; Palmer, Mike; Nietlispach, Bruno; Leifert, Carlo and Tamm, Lucius (2007) Soil biological quality in short- and long-term field trials with conventional and organic fertility input types. Paper at: 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Fliessbach, A. and Mäder, P. (2005) Biological soil quality as a factor of efficient resource utilization in organic farming systems. In: Leifert, C. (Ed.) Organic Farming, Food Quality and Health.

Fliessbach, A. and Widmer, F. (2005) Microbial Biomass and Numbers. In: Bloem, J.; Hopkins, D. and Benedetti, A. (Eds.) Microbiological Methods for Assessing Soil Quality. CAB International, pp. 73-76.

Fliessbach, Andreas; Buchleither, S.; Peng, S. and Mäder, Paul (2003) Kurzfristige und langfristige Auswirkungen von zwei Spritzfolgen im Kartoffelbau auf biologische Parameter der Bodenfruchtbarkeit. [Short-term and longterm effects of two sprayings in potato production on biological parameters of soil fertility.] VBB-Bulletin (7), pp. 7-10.

Fliessbach, Andreas; Dubois, David; Esperschütz, Jürgen; Gunst, Lucie; Mäder, Paul; Oberholzer, Hansruedi; Schloter, Michael and Gattinger, Andreas (2005) Soil microbial community structure and organic matter transformation processes in organic and integrated farming systems. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Fliessbach, Andreas; Hany, Roland; Rentsch, Daniel; Frei, Robert and Eyhorn, Frank (2000) DOC trail: soil organic matter quality and soil aggregate stability in organic and conventional soils. In: Alföldi, Thomas; Lockeretz, W. and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag, Zürich, Switzerland.

Fliessbach, Andreas and Mäder, Paul (2000) DOC trial: diversity and metabolic effiency of microbial communities in organic and conventional soils. In: Alföldi, Thomas; Lockeretz, W. and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag, Zürich, Switzerland.

Fliessbach, Andreas; Oberholzer, Hans-Rudolf; Gunst, Lucie and Paul, Mäder (2007) Soil organic matter and biological soil quality indicators after 21 years of organic and conventional farming. Agriculture, Ecosystems and Environment, 118, pp. 273-284.

Fliessbach, Andreas; Oberholzer, Hans-Rudolf; Gunst, Lucie and Paul, Mäder (2006) Soil organic matter and biological soil quality indicators after 21 years of organic and conventional farming. Agriculture, Ecosystems and Environment, accepted 17 May 2006. [In Press]

Fliessbach, Dr. Andreas and Mäder, Dr. Paul (2006) Productivity, Soil Fertility and Biodiversity in Organic Agriculture. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Fliessbach, Andreas; Hammerl, Verena; Antichi, Daniele; Barberi, Paolo; Berner, Alfred; Bufe, Cornelia; Delfosse, Philippe; Gattinger, Andreas; Grosse, Meike; Haase, Thorsten; Heß, Jürgen; Hissler, Christophe; Koal, Phillip; Kranzler, Andreas; Krauss, Maike; Mäder, Paul; Peigné, Joséphine; Pritsch, Karin; Reintam, Endla; Surböck, Andreas; Vian, Jean François and Schloter, Michael (2014) Soil quality changes in field trials comparing organic reduced tillage to plough systems across Europe (TILMAN-ORG Session). In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 4, Thuenen Report, no. 20, pp. 1051-1054.

Fliessbach, Andreas; Imhof, David; Brunner, Thomas and Wüthrich, Christoph (1999) Tiefenverteilung und zeitliche Dynamik der mikrobiellen Biomasse in biologisch und konventionell bewirtschafteten Böden. Regio Basiliensis, 40 (3), pp. 253-263.

Fliessbach, Andreas; Mäder, Paul; Pfiffner, Lukas; Dubois, David and Gunst, Lucie (2000) Bio fördert Bodenfruchtbarkeit und Artenvielfalt - Erkenntnisse aus 21 Jahren DOK-Versuch. [Organic farming enhances soil fertility and biodiversity Results from a 21 year old field trial.] FiBL-Dossier. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Fuchs, J. G.; Baier, U.; Berner, A.; Mayer, J.; Tamm, L. and Schleiss, K. (2006) Potential of different composts to improve soil fertility. In: Kraft, E.; Bidlingmaier, W.; de Bertoldi, M.; Diaz, L.F. and Barth, J. (Eds.) Proceedings of the International Conference ORBIT 2006 "Biological Waste Management: From Local to Global", Part 2 Composting – Quality, Application and Benefit, Life Cycle Analysis, Sludge and Soil. ORBIT e.V. D-Weimar, pp. 529-538.

Fuchs, J.G.; Baier, U.; Berner, A.; Mayer, J.; Tamm, L. and Schleiss, K. (2006) Potential of different Composts to improve Soil Fertility and Plant Health. In: Kraft, Eckhard; Bidlingmaier, Werner; de Bartoldi, Marco; Diaz, Luis F. and Barth, Josef (Eds.) ORBIT 2006 : Biological Waste Management. From Local to Global; Proceedings of the International Conference ORBIT 2006. Verlag ORBIT e.V., Weimar, chapter Part 2, pp. 507-517.

Fuchs, Jacques (2003) Le composte de qualité au service de la santé des plantes. Alter Agri (61), pp. 7-9.

Fuchs, Jacques (2002) How to set up and manage a good compost. Forschungsinstitut für biologischen Landbau Frick. [Unpublished]

Fuchs, Jacques G.; Bruns, Christian; Mäder, Paul; Schmidt, Harald; Thürig, Barbara; Wilbois, Klaus-Peter and Tamm, Lucius (2013) Differenzialdiagnose: Eine Methode zur Ursacheneingrenzung bei Bodenmüdigkeit. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

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Gadermaier, Florian; Berner, Alfred; Fließbach, Andreas; Friedel, Jürgen Kurt and Mäder, Paul (2011) Impact of reduced tillage on soil organic carbon and nutrient budgets under organic farming. Renewable Agriculture and Food Systems, 27 (1), pp. 68-80.

GALAL ELGHARABLY, Ahmed (2002) Improving Compost Quality for Organic Vegetable production. [Amélioration de la qualité du compost pour la production biologique de cultures maraîchères.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic Farming. Tesi Master of Science, no. 281. . [Unpublished]

Ganapathi, Dr.; Vishwanath Shetty, Y.; Pradeep, S.; Chidanandappa, H.M.; Noor , Nawaj and Dhananjaya, B.C. (2014) Organic Farming on Productivity of Rice and Soil Fertility under Alfisols of Southern Transition Zone of Karnataka, India. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 635-638.

Garibay, Salvador V. (2002) Manejo de la Fertilidad del Suelo en la Producción Orgánica. Paper at: 1er. Foro Internacional sobre Producción Orgánica. Oportunidades y Retos del Entorno Mundial, Mexico, 24.-25.10.2002.

Gattinger, Andreas; Skinner, Colin; Müller, Adrian; Fließbach, Andreas; Mäder, Paul; Häni, Matthias; Buchmann, Nina; Stolze, Matthias and Niggli, Urs (2013) Kohlenstoffspeicherung und Treibhausgasflüsse in Böden unter biologischer und konventioneller Bewirtschaftung – Ergebnisse aus zwei globalen Meta-Analysen. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

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, Manfred (2003) Auswirkungen acker- und pflanzenbaulicher Maßnahmen sowie der Dauer der ökologischen Bewirtschaftung auf die arbuskuläre Mykorrhiza im Ökologischen Landbau. [Effects of agronomic practices and duration of organic management on arbuscular mycorrhiza (AM) in organic agriculture.] Thesis, Universität für Bodenkultur, Wien, Institut für Ökologischen Landbau. .

Gollner, Manfred; Friedel, Jürgen and Freyer, Bernhard (2005) ARBUSCULAR MYCORRHIZA OF WINTER WHEAT UNDER DIFFERENT DURATION OF ORGANIC FARMING. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

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.

Gosling, Paul and Shepherd, Mark (2002) Theory and reality of organic soil fertility - organic matter. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 137-138.

Goulding, Keith; Stockdale, Elizabeth; Fortune, Sharon and Watson, Christine (2000) Nutrient cycling on organic farms. Journal of the Royal Agricultural Society of England, 161, pp. 65-75.

Granstedt, Assoc Professor Artur and Kjellenberg, L. (2008) Organic and biodynamic cultivation - a possible way of increasing humus capital, improving soil fertility and providing a significant carbon sink in Nordic conditions. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Grossmann, Cand. agro. Freya (2002) Forbedring af jordkvaliteten efter jordpakning - er løsning løsningen? Thesis, KVL, Sektion for Økologisk Jordbrug. DJVB.

Guggenberger, Georg; Christensen, Bent T. and Rubæk, Gitte H. (2000) Isolation and characterization of labile organic phosphorus pools in soils from the Askov long-term field experiments. Journal of Plant Nutrition & Soil Science, 163 (1), pp. 151-155.

Guimarães, Gabriel Pinto; Mendonça, Eduardo de Sá; Passos, Renato Ribeiro; Andrade, Felipe Vaz and Machado, Ramires Ventura (2013) Avaliação da qualidade do solo e de cafeeiros em propriedade familiar do Território do Caparaó-ES. [Evaluation of soil and coffee plants quality in a family farm in Territory Caparaó-ES.] Revista Brasileira de Agroecologia, 8 (3), pp. 236-246.

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HAFID, Hicham (2002) Effet de la fertilisation organique sur la production de semences biologiques de deux variétés du haricot vert et sur les propriétés chimiques du sol. [Effect of organic fertilisation on the production of organic seeds of two snap bean varieties and on the soil chemical properties.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic Farming. Tesi Master of Science, no. 283. . [Unpublished]

Hampl, Ulrich (2003) Projekt Ökologische Bodenbewirtschaftung (PÖB) - Ergebnisse nach sieben Jahren [Project Ecological Soil Management - results after seven years]. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur - Institut für ökologischen Landbau, Wien, pp. 455-456.

Hampl, Ulrich (2000) Halbzeitergebnisse im Projekt Ökologische Bodenbewirtschaftung (PÖB) [Results of the project ecological soil management (POEB) after five years]. Ökologie & Landbau, 115 (3/2000), pp. 36-37.

{Project} Projekt Oekologische Bodenbewirtschaftung (POEB). Runs 1994 - 2004. Project Leader(s): Hampl, Ulrich, Stiftung Oekologie und Landbau (SOEL).

Hampl, Dr. Ulrich (2005) 10 Jahre differenzierte Grundbodenbearbeitung im Ökologischen Landbau - Methoden und Ergebnisse. [10 years specified soil management in organic agriculture - methods and results.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Hansen, Jacob P. and Vinther, Finn P. (2001) Spatial variability of symbiotic N2 fixation in grass-white clover pastures estimated by the 15N isotope dilution method and the natural 15N abundance method. Plant and Soil (230), pp. 257-266.

Hartmann, Martin; Fliessbach, Andreas; Oberholzer, Hans-Rudolf and Widmer, Franco (2006) Ranking the magnitude of crop and farming system effects on soil microbial biomass and genetic structure of bacterial communities. FEMS Microbiol Ecol. (57), pp. 378-388.

Hatch, David; Shepherd, Mark and Hatley, Damian (2002) Understanding soil nitrogen supply: organic matter quality and quantity. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 145-146.

Hathaway-Jenkins, L. J. ; Sakrabani, R; Pearce, Bruce; Whitmore, A. P and Godwin, R. J. (2011) A comparison of soil and water properties in organic and conventional farming systems in England. Soil Use and Management, pp. 1-10.

Hauggaard-Nielsen, Henrik (2009) Økologi i stribevis. Økologisk Jordbrug, 15 May 2009, p. 14.

Hegglin, Django; Dierauer, Hansueli and Clerc, Maurice (2014) Reduzierte Bodenbearbeitung - Umsetzung im biologischen Landbau. FiBL Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

Hijri, Isabelle; Sýkorová, Zuzana; Oehl, Fritz; Ineichen, Kurt; Mäder, Paul; Wiemken, Andres and Redecker, Dirk (2007) Communities of arbuscular mycorrhizal fungi in arable soils are not necessarily low in diversity. Molecular Ecology (15), pp. 2277-2289.

Hilber, Isabel; Voegelin, Andreas; Barmettlet, Kurt and Kretzschmar, Ruben (2007) Plant Availability of Zinc and Copper in Soil after Contamination with Brass Foundry Filter Dust: Effect of Four Years of Aging. Journal of Environmental Quality (36), pp. 44-52.

Hilber, Isabel; Wyss, Gabriela S.; Mäder, Paul and Schulin, Rainer (2007) Organochlorine pesticide residues assessed in a greenhouse survey in 2005 and a concept of bioavailability experiments. Paper at: WG2 and WG3 2nd Scientific Workshop: "-omics approaches and agricultural managements: diving forces to improve food quality and safety?", St. Etienne, France, 31 August – 2 September 2006.

Hoffmann, Heide and Hübner, W. (2001) Ökologischer Landbau auf leichten Böden - Ertragsparameter und Bodenfruchtbarkeitskennziffern aus dem Demonstrationsversuch Ackerbausysteme in Blumberg bei Berlin. [Organic Agriculture on sandy ground.] In: Reents, H.-J. (Ed.) Beiträge zur 6. Wissenschaftstagung zum Ökologischen Landbau, Dr. Köster Verlag Berlin, pp. 171-174.

Horstkötter, Martin (2003) Ausweitung des Ökolandbaus in Wassergewinnungsgebieten. [Expansion of Organic Farming in Drinking Water Drainage Areas.] Paper at: 7. Wissenschaftstagung zum Ökologischen Landbau, Ökologischer Landbau der Zukunft, Wien, 24.-26. Februar 2003.

Hospers-Brands, A.J.T.M. and Burgt, Geert-Jan H.M. (2013) Verkenningen organische stof; Proefbedrijf Vredepeel. [Prospective study on Organic Matter: Experimental site Vredepeel.] Louis Bolk Instituut , Driebergen.

Hospers-Brands, A.J.T.M.; Ji, Yongran; Struik, P.C. and Lammerts van Bueren, E.T. (2014) Perspectieven voor veredeling op stikstofefficientie bij sluitkool: Literatuuroverzicht. [Perspectives for breeding for nitrogen efficiency in head cabbage: Literature review.] Louis Bolk Instituut Publication, no. 2014-014 LbP. Louis Bolk Instituut , Driebergen.

Hoyer, U.; Lemnitzer, B. and Hülsbergen, K.-J. (2007) Einfluss des ökologischen Landbaus auf unterschiedliche Humuspools im Boden und Schlussfolgerungen zur Humusbilanzierung. [Impact of Organic Farming on different pools of soil organic matter and conclu-sions on humus balancing.] Paper at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Hoyer, Uta; Reents, Hans-Jürgen and Hülsbergen, Kurt-Jürgen (2008) Indicators for the Evaluation of Soil Organic Matter and their Application in Organic and Conventional Farming Systems. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Jansen, Bernhard and Bogdán, Adrienne (editor): Internationales Zentrum für den ökologischen Landbau Mittel- und Osteuropas e.V., EkoConnect (Ed.) (2010) Landwirtschaftliche Flächen an ökologischen Landbau verpachten - Fragen und Antworten. [Renting out agricultural land for organic agriculture - questions and answers.] Eigenverlag, D-Dresden.

Jensen, Lars Stoumann (2010) Mere optimal udnyttelse af forfor og kalium i såvel jord som alternative gødningskilder. Keynote presentation at: Økologi Kongres, Vingsted Centret, Vejle, 23-24 november, 2011.

Johansen, A.; Hauggaard-Nielsen, H.; Ambus, P.; Dalgaard, T.; Jørgensen, U.; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Skytte, K.; Smith, J.E.; Thomsen, A.B.; Carter, M.S. and Jensen, E.S. (2008) Production of biomass and bioenergy in organic agriculture and its consequences for soil quality, environment, biodiversity and socio-economy. [Produktion af biomasse og bioenergi i økologisk jordbrug og konsekvenserne for jord kvalitet, miljø, biodiversitet og socio-økonomi.] Poster at: ALTERNET Workshop: Interlinkage between Biodiversity and Bioenergy, Edinburgh, 20th - 21st October 2008.

Johansen, Anders; Hansen, Christian M. and Carter, Mette S. (2010) Restmaterialer fra bio-energiproduktion - kan de tilbageføres til marken? ICROFSnyt, March 2010, pp. 12-13.

Johansen, A.; Pommeresche, R.; Riley, H. and Løes, A.-K. (2013) Effects of applying anaerobically digested slurry on soil available organic C and microbiota. In: Løes, Anne-Kristin; Askegaard, Margrethe; Langer, Vibeke; Partanen, Kirsi; Pehme, Sirli; Rasmussen, Ilse A.; Salomon, Eva; Sørensen, Peter; Ullvén, Karin and Wivstad, Maria (Eds.) Organic farming systems as a driver for change, NJF Report, no. 9 (3), pp. 125-126.

Johansen, Anders and Carter, Mette S. (2011) Hvad har jordens kvalitet med klodens klima at gøre? Klimaændringer og landbrug – hvordan hænger det sammen? Folkeuniversitet, Hurup, Thy.

Johansen, Anders; Carter, Mette S.; Hauggaard-Nielsen, Henrik; Nielsen, Henrik Bangsø; Andreasen, Christian; Hansen, Christian M.; Carlsgart, Josefine and Roepstorff, Allan (2010) Biogasproduktionens effekter på parasitter, ukrudtsfrø og jordens mikroorganismer. Speech at: Seminar om bioenergi i økologisk landbrug, Middelfart, Danmark, 7 December 2010.

Johansen, Anders; Carter, Mette S.; Jensen, Erik Steen; Hauggaard-Nielsen, Henrik and Ambus, Per (2011) Effects of digestate from anaerobic digested cattle slurry and plant materials on soil microbiota and fertility. Applied Soil Ecology, , . [Submitted]

Johansen, Anders; Stevenson, Bryan; Hauggaard-Nielsen, Henrik and Jensen, Erik Steen (2011) Effects of bioethanol residues on the functional and genetic diversity of soil microbiota. Plant and Soil, 2011, ( ), - . [Unpublished]

Jost, Britta; Schmidtke, Knut and Rauber, Rolf (2007) Kalkulation der N2-Fixierleistung und der N-Flächenbilanz beim Anbau von Leguminosen im ökologischen Landbau. [Calculation of the symbiotic N2 fixation and N balance of organically grown legumes.] Paper at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Junrungreang, Miss Supaporn; Nakapraves, Mr. Pracha and Shinon, Miss Sirinapa (2006) Organic agricultural systems for cassava crops in upland soil of Thailand. Poster at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

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Kahiluoto, Helena and Vestberg, Mauritz (2000) Utilization of arbuscular mycorrhiza by system management. In: Alfoeldi, Thomas; Lockeretz, William and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag, Zürich, Switzerland, p. 12.

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.

Kahle, Dr. Petra; Baum, Dr. Christel and Borchwardt, Monika (2005) Auswirkungen mehrjähriger ökologischer Bewirtschaftung auf ausgewählte Bodeneigenschaften. [Effects of ecological cultivation practise on several soil properties.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Kainz, Max; Kimmelmann, Stefan and Reents, Hans-Jürgen (2003) Bodenbearbeitung im Ökolandbau – Ergebnisse und Erfahrungen aus einem langjährigen Feldversuch. [Soil cultivation in organic farming - results and experiences from a long-term field trial.] In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, Universität für Bodenkultur Wien, Institut für Ökologischen Landbau, pp. 33-36.

Kainz, Max; Siebrecht, Norman and Reents, Dr. Hans Jürgen (2009) Wirkungen des Ökologischen Landbaus auf Bodenerosion. Paper at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Kamiyama, Araci; Maria, Isabella Clerici de; Souza, Daniel Costa Coelho de and Silveira, Adriana Parada Dias da (2011) Percepção ambiental dos produtores e qualidade do solo em propriedades orgânicas e convencionais. [Environmental perception of producers and soil quality in organic and conventional farming systems.] Bragantia, 70 (1), pp. 176-184.

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. [In Press]

Keçeci, Mehmet; Cebel, Nesime; Terzi, Dilek; Peker, Murat; Kaya, Şule; Erdoğan, Pervin; Akbaş, Birol; Karahan, Aynur and Kodan, Münevver (2010) Ankara Koşullarında Organik Tarım Sisteminde Kullanılan Farklı Materyallerin Domates ve Mısır Münavebe Sisteminde Toprak Özelliklerine Etkisi. [The effects of various materials used in organic agriculture system on soil properties in tomato and corn rotation system in Ankara conditions.] In: Alay Vural, Ayşen (Ed.) Organik Araştırma Sonuçları 2005-2010. T.C. Tarım ve Köyişleri Bakanlığı, Ankara, Turkey, pp. 341-346.

Kelderer, Markus (2012) Tätigkeit am VZ-Laimburg zum Ökologischen kologischen Anbau 2012/ Presentazione delle prove in AGRICOLTURA BIOLOGICA svolte presso il Centro Sperimentale nel 2012. Land- und forstwirtschaftliches Versuchszentrum Laimburg, Centro di Sperimentazione Agraria e Forestale, Sektion Obstbau, sezione Frutticoltura. [Completed]

Keller, Martina; Oberson, Astrid; Annaheim, Kathrin E.; Tamburini, Federica; Mäder, Paul; Mayer, Jochen; Frossard, Emmanuel and Bünemann, Else K. (2012) Phosphorus forms and enzymatic hydrolyzability of organic phosphorus in soils after 30 years of organic and conventional farming. Journal of Plant Nutrition and Soil Science, 175 (3), pp. 385-393.

Kjellenberg, Lars and Granstedt, Artur (2005) The K-trial. A 33-years study of the connections between manuring, soils and crops. Biodynamic Research Institute, Sweden.

Köhler, Anna-Sophie; Huber, Julia; Wolfrum, Sebastian; Schmid, Harald and Hülsbergen, Kurt-Jürgen (2014) Earthworm abundance and species richness: Contribution of farming system and habitat type. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 473-476.

Köhler, Brigitte and Kolbe, Hartmut (2008) PC-Programm BEFU, Teil Ökologischer Landbau: Verfahren zur Grunddüngung, Nährstoff- und Humusbilanzierung. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, D-Leipzig. [Completed]

Kolbe, Hartmut (2008) Wirkung organischer Düngemittel auf Ertrag und Qualität von Kartoffeln im Ökologischen Landbau. [Effects of organic fertilizers on yield and quality of potatoes.] Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, Leipzig. [Unpublished]

Kolbe, Hartmut (2007) Effects of increasing fertilization in organic farming fodder cultivation and market crop systems. Sächsische Landesanstalt für Landwirtschaft, DE-Leipzig, FB Pflanzliche Erzeugung.

Kolbe, Hartmut (2007) Ökologischer Ackerbau: Fruchtfolgegestaltung und Düngungsplanung. Speech at: Fortbildungsveranstaltung für die Landwirtschaftsverwaltung. Landesanstalt für Entwicklung der Landwirtschaft, Schwäbisch Gmünd, 03.07.2007.

Kolbe, Dr. Hartmut (2006) Dauerversuch zur komplexen Prüfung ökologischer Anbau- und Düngungsverfahren – Anbaujahr 2005 Triticale –. [Log-term field trial for complex examination of organic cultivation and fertilization systems – Cultivation of triticale in 2005 –.] Poster at: Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [Unpublished]

Kolbe, Dr. Hartmut (2006) Leistungsfähigkeit von Merkmalen der Bodenfruchtbarkeit für das Nährstoffmanagement des ökologischen Landbaus. [Reliability of soil fertility properties for use in nutrient management of organic farming.] Paper at: Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [Unpublished]

Kolbe, Dr. Hartmut (2006) Methode zur standortangepassten Humusbilanzierung von Ackerland im Integrierten und Ökologischen Landbau. [Site adjusted humus balance method for use in integrated and organic farming arable land.] Poster at: Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [Unpublished]

Kolbe, Dr. Hartmut (2006) Vergleich von Bilanzierungsmethoden für Humus an Hand langjähriger Dauerversuche. [Comparison of humus balance methods using long-term field trials.] Poster at: Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [Unpublished]

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.

Kolbe, Hartmut (2013) VDLUFA-Standpunkt Humusbilanzierung: Ökologischer Landbau. Paper at: AK Humusbilanzierung des VDLUFA, Hochschule Weihenstephan-Triesdorf, Fakultät Land- und Ernährungswirtschaft, Freising, 11. Dezember 2013. [Unpublished]

Kolbe, Hartmut (2009) Standarduntersuchungsprogramm zu Bodenfruchtbarkeit und Nährstoffmanagement. Paper at: Tagung des Arbeitskreises Versuchsansteller im Ökologischen Landbau, D-Uelzen, 23. - 24. 06. 2009. [Completed]

Kolbe, Hartmut (2008) Einfache Verfahren zur Berechnung der Humusbilanz für konventionelle und ökologische Anbaubedingungen. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, D-Leipzig. [Completed]

Kolbe, Hartmut (2008) Nährstoffmanagement im Umstellungsbetrieb. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, D-Leipzig. [Completed]

Kolbe, Hartmut (2007) Anforderungen an die Humusbilanzierung in der Praxis des ökologischen Landbaus. [Requirements for humus balance methods using in organic farming practice.] Schriftenreihe der Sächsischen Landesanstalt für Landwirtschaft, H. 9, pp. 58-69.

Kolbe, Hartmut (2007) Berücksichtigung von Standort- und Bewirtschaftungsfaktoren bei der Verbesserung von Verfahren der Grunddüngung und Humusbilanzierung unterschiedlich intensiver Anbausysteme. [Improvement of basic fertilization and humus balance methods subject to site and cultivation factors on farming systems of diffenrent intensity.] Working paper, Fachbereich Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, DE-Leipzig. [Completed]

Kolbe, Hartmut (2007) Vorstellung eines Kalkulationsprogramms für den ökologischen Landbau: Grunddüngung, Humusbilanzierung, legume N-Bindung, Nährstoffbilanzierung. Paper at: Naturland Ackerbautagung, D-Bernburg, 22.02.2007. [Completed]

Kolbe, Hartmut and Schuster, Martina (2011) Bodenfruchtbarkeit im Öko-Betrieb. Untersuchungsmethoden. [Soil fertility in organic farms. investigation methods.] Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie, Dresden.

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), pp. 209-215.

Koller, Martin and Lichtenhahn, Martin (2003) Dünger aus dem Sack. Ernte. Zeitschrift für Landwirtschaft und Ökologie (5), pp. 26-27.

König, Dr. U.J. (2005) Einfluss unterschiedlicher N-Quellen für die N-Stabilisierung von als Torfersatz eingesetzter Holzfaser auf die Pflanzenentwicklung im Feldgemüseanbau. [Influence of different N-sources used for N-improvement of wood fibre to substi-tute peat on plant development in vegetable growing.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Koopmans, C.J. and Zanen, M. (2007) Organic Soil Management: Impacts on Yields, Soil Quality and Economics. Paper at: 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Koopmans, C.J.; Zanen, M. and Bokhorst, J. G. (2008) Organic fertilisers of the MAC trial and their impact on soil quality, environment and climate change. Paper at: The 5th International Scientific Conference on Sustainable Farming Systems - ECOMIT, Piešťany, Slovakia, November 5-7, 2008. [In Press]

Koopmans, Dr. C.J. and Smeding, Dr. F.W. (2008) A Conceptual Framework for Soil management and its effect on Soil Biodiversity in Organic and Low Input Farming. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Koopmans, Chris J. and van der Burgt, Geert-Jan (2005) NDICEA as a user friendly model tool for crop rotation planning in organic farming. Poster at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Köpke, Ulrich; Rauber, Rolf; Schmidtke, Knut; Goldbach, Heiner and Scherer, Heinrich W. (2011) Entwicklung neuer Strategien zur Mehrung und optimierten Nutzung der Bodenfruchtbarkeit. [Developing strategies for maintaining and increasing soil fertility.] Rheinische Friedrich-Wilhelm-Universität Bonn, Georg-August-Universität Göttingen und Hochschule für Technik und Wirtschaft Dresden (FH).

Köppen, Detloff (2002) Entwicklung und Inhalt der Kategorie „Bodenfruchtbarkeit“ (Development and Contents of the Category „ Soil Fertility“). Zeitschrift für Pflanzenbauwissenschaften ,, 2 (6), pp. 57-62.

Kristensen, Hanne L.; Debosz, Kasia and McCarty, Greg W. (2003) Short-term effects of tillage on mineralization of nitrogen and carbon in soil. Soil Biology and Biochemistry, 35, pp. 979-986.

Krogh, P.H.; Lamandé, M.; Eriksen, J. and Holmstrup, M. (2012) Earthworm species and burrows related to agricultural management of clover-grass rotations. Applied Soil Ecology, , - . [Unpublished]

Kuestermann, Bjoern and Huelsbergen, Kurt-Juergen (2005) Modelling Carbon Cycles as Basis of an Emission Inventory in Farms – The Example of an Organic Farming System. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Kupper, Thomas and Fuchs, Jacques (2007) Compost et digestat en Suisse. [Kompost und Gärgut in der Schweiz.] Umwelt Wissen (43), p. 126.

Kupper, Thomas and Fuchs, Jacques (2007) Kompost und Gärgut in der Schweiz. [Compost et digestat en Suisse.] Umwelt Wissen (43), p. 126.

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Lauridsen, K. (2014) Økosystem, funktioner og services af biodiversitet i græsmarker. , Økologisk Landsforening.

Laursen, K.H. (2012) Multi-elemental and Isotopic Analysis of Organic and Conventional Crops using Atomic Spectroscopy and Chemometrics. PhD thesis, University of Copenhagen, Faculty of Science, Department of Agriculture and Ecology. .

Lefèvre, Vincent (2009) Les conséquences des techniques de travail du sol sur la fertilité des sols conduits en agriculture biologique. [Consequences of soil tillage techniques on soil fertility in organic agriculture.] Masters thesis, ENITA-Clermont; ISARA-Lyon. . [Completed]

Lefèvre, Vincent; Capitaine, Mathieu; Peigne, Joséphine and Roger-Estrade, Jean (2013) Co-designing innovative cropping systems to improve soil functioning in organic farming. [Conception et évaluation ex ante de systèmes de culture innovants pour améliorer le fonctionnement des sols en agriculture biologique.] Innovations Agronomiques, 32, pp. 47-60.

Lehocka, Zuzana; Klimekova, Marta and Bielikova, Magdalena (2008) Soil quality indicators in organic and conventional farming systems in Slovakia. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Lima, Herdjania Veras de (2001) Influência dos sistemas de cultivo orgânico e convencional de algodão sobre a qualidade do solo no município de Tauá - CE. [Influence of organic and conventional cotton farming systems on soil quality in the municipality of Taua - EC.] Masters thesis, Universidade Federal do Ceará. .

Lima, Herdjania Veras de; Oliveira, Teógenes Senna de; Oliveira, Maria Matutina de; Mendonça, Eduardo de Sá and Lima, Pedro Jorge Bezerra Ferreira (2007) Indicadores de qualidade do solo em sistemas de cultivo orgânico e convencional no semi-árido Cearense. [Soil quality indicators in organic and conventional cultivation systems in the semiarid areas of Ceará – Brazil.] Revista Brasileira de Ciência do Solo, 31 (5), pp. 1085-1098.

Litterick, Audrey; Harrier, L.; Wallace, P.; Watson, C. A. and Wood, M. (2003) Effects of composting manures and other organic wastes on soil processes and pest and disease interactions. Scottish Agricultural College.

Loss, Arcângelo; Pereira, Marcos Gervasio; Schultz, Nivaldo; Anjos, Lúcia Helena Cunha dos and Silva, Eliane Maria Ribeiro da (2009) Atributos químicos e físicos de um Argissolo Vermelho-Amarelo em sistema integrado de produção agroecológica. [Chemical and physical attributes of an Udult soil in agroecological production systems.] Pesquisa Agropecuária Brasileira, 44 (1), pp. 68-75.

Luik, Anne; Eremeev, Viacheslav and Reintam, Endla (2012) Minimeeritud mullaharimine ja haljasväetised jätkusuutlikele maheviljelussüsteemidele. [Reduced tillage and green manures for sustainable organic cropping systems.] Poster at: 3rd Estonian Soil Day, Tartu, Estonia, 6.12.2012.

Luik, Anne; Talgre, Liina; Eremeev, Viacheslav and Reintam, Endla (2014) Talvised vahekultuurid parandavad mulda ja saagikust. [Green manure winter cover crops improve soil quality and crop yield.] Mahepõllumajanduse Leht, 2014, 65 (2), pp. 7-8.

Luxhøi, Jesper; Brøgger, Morten; Knudsen, Inge M.B.; Poulsen, Pernille H.B.; Møller, Jacob; Jensen, Birgit; Jensen, Dan F. and Magid, Jakob (2006) Functional Compost. In: The ORBIT 2006 Conference Proceedings publication.

Løes, Anne-Kristin; Johansen , Anders; Pommeresche, Reidun and Riley, Hugh (2014) ANIMAL MANURE – REDUCED QUALITY BY ANAEROBIC DIGESTION? In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 891-894.

Løes, Anne-Kristin; Johansen , Anders; Pommeresche, Reidun and Riley, Hugh (2013) SoilEffects - start characterization of the experimental soil. Bioforsk Report, no. Vol 8 no 96. Bioforsk, Bioforsk Organic Food and Farming, Tingvoll, Norway.

Løes, Anne-Kristin; Johansen , Anders; Pommeresche, Reidun and Riley, Hugh (2011) Animal manure for biogas production - what happens to the soil? In: Hultgren, Jan; Persson, Paula; Nadeau, Elisabet and Fogelberg, Fredrik (Eds.) Book of abstracts of the 24th NJF congress. NJF Report 7 (3) 2011, Nordic Association of Agricultural Scientists, NJF, Uppsala, Sweden, 7 (3), NJF Report, p. 153.

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Mäder, Paul; Fliessbach, Andreas; Dubois, David; Gunst, Lucie; Fried, Padrout and Niggli, Urs (2002) Soil Fertility and Biodiversity in Organic Farming. Science, 31 May 2002 (296), pp. 1694-1697.

Mäder, Paul; Heller, Stefan and Koller, Martin (2002) Bodenuntersuchungen für Biobetriebe. Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.

Mäder, Paul; Koller, Martin; Kranzler, Andreas and Lindenthal, Thomas (2008) Bodenuntersuchungen im Biobetrieb. FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL) und Bio Ernte Auatria, CH-Frick und A-Linz.

Mäder, Dr. Paul; Fliessbach, Dr. Andreas; Dubois, Dr. David; Gunst, Lucie; Fried, Dr. Padruot and Niggli, Dr. Urs (2002) Bodenfruchtbarkeit und biologische Vielfalt im ökologischen Landbau. [Soil fertilty and biodiversity in organic farming.] Oekologie & Landbau, 124, pp. 12-16.

Mäder, Paul; Berner, Alfred; Fließbach, Andreas; Messmer, Monika; Koller, Martin; Weibel, Franco; Stolze, Matthias; Schader, Christian; Sanders, Jürn; Dierauer, Hansueli and Clerc, Maurice (2009) Klimaneutraler Acker- und Gemüsebau - Auswirkungen von reduzierter Bodenbearbeitung und Gründüngungen auf Bodenfruchtbarkeit, Klima und Ökonomie – bisherige Erkenntnisse und aktuelle Versuche. [Climate neutral arable and vegetable farming.] FiBL-Flyer. Forschungsinstitut für biologischen Landbau (FiBL), CH Frick.

Mäder, Paul; Berner, Alfred and Niggli, Urs (2009) Erhöhte Bodenfruchtbarkeit durch reduzierte Bodenbearbeitung im Langzeitversuch Frick. In: Tagungsband der BGS Jahrestagung 2009 - Bodenbiologie, Bodenkundliche Gesellschaft der Schweiz, p. 17.

Mäder, Paul and Mayer, Jochen (2014) Was Langzeitversuche für die Biolandbau-Forschung bedeuten. Ökologie & Landbau, 2/2014 (170), pp. 45-47.

Magid, Jakob (2013) A note on sewage sludge - risk assessments and fertilization value. IMPROVE-P working paper, no. 1, Plant and Environmental Sciences, Copenhagen University. [Completed]

Mäkelä-Kurtto, Ritva and Sippola, Jouko (2002) Monitoring of Finnish arable land: changes in soil quality between 1987 and 1998. Agricultural and Food Science in Finland, 11 (4), pp. 273-284.

Manici, L.; Kelderer, Markus; Franke-Whittle , I-H; Rühmer , T.; Baab , G.; Nicoletti , F.; Caputo, F.; Topp, A.; Insam , H. and Naef, A. (2013) Relationship between root-endophytic microbial communities and replant disease in specialized apple growing areas in Europe. Applied Soil Ecology, 72, pp. 207-214.

Manici, L.M. ; Baab , G.; Canet, R.; Kaymak, S.; Kelderer, M.; Insam , H.; Naef, A.; Pinar, H.; Rühmer, T and Whittle , I. (2012) Exploitation of natural resources to increase soil health: BIO-INCROP, a project on organic fruit tree cropping systems. In: ESA12 Abstracts, University of Helsinky, Department of Agricultural Science publication series , Helsinki, Finland, Vol 14, pp. 24-25.

Manojlovic, M.; Cabilovski, R. and Kalentic, M (2011) Soil Fertility: Organic vs. Conventional Farming Systems in Vojvodina, northern Serbia. In: Migliorini, Paola; Minotou, Charikleia; Lusic, Drazen; Hashem, Yousry and Martinis, Aristotelis (Eds.) Book of Abstract. International Conference on ORGANIC AGRICULTURE and AGRO-ECO TOURSIM in the Mediterranean, DIO.

Mäntylahti, Väinö and Laakso, Pirkko (2002) Arsenic and heavy metal concentrations in agricultural soils in South Savo province. Agricultural and Food Science in Finland, 11 (4), pp. 285-300.

Marenco, Ricardo Antonio and Lustosa, Denise Castro (2000) Soil solarization for weed control in carrot. [Solarização do solo para o controle de plantas daninhas na cultura de cenoura.] Pesquisa Agropecuária Brasileira, 35 (10), pp. 2025-2032.

Maskalchuk, Leanid and Pozilova, Natalja (2006) ORGANIC FERTILIZERS, ORGANOMINERAL MIXTURES AND POTTING SOILS PRODUCTION USING RAW MATERIAL STORE OF BELARUS. [ORGANIC FERTILIZERS, ORGANOMINERAL MIXTURES AND POTTING SOILS PRODUCTION USING RAW MATERIAL STORE OF BELARUS.] Poster at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Mata, Macarena; Garrido, Marisol; Longhurst, Phil and Seaton, Roger (2002) A method for soil health assessment in the conversion to organic farming. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 149-151.

Mathu, Samuel; Thonar, Cécile; Vanlauwe, Bernard; Messmer, Monika and Frossard, Emmanuel (2012) Multi-purpose cowpea inoculation for improved yields in small holder farms in Kenya. Poster at: Integrated Soil Fertility Management in Africa: From Microbes to Markets, Nairobi, Kenya, 22. - 26. October 2012. [Completed]

May-Roberts, S; Robertson, J; Killham, K and Paton, G (2006) Soil sustainability in organic agricultural production. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 307-310.

Messmer, M.; Berner, A.; Krauss, M.; Jansa, J.; Presterl, Th.; Schmidt, W. and Mäder, P. (2010) Genetic variation for nutrient use efficiency in maize under different tillage and fertilization regimes with special emphasis to plant microbe interaction. In: Breeding for the resilience: a strategy for organic and low-input farming systems? Proceedings of the Eucarpia 2nd conference of the "Organic and Low-Input Agriculture" Section , pp. 72-75.

Messmer, Monika; Hildermann, Isabell; Thorup-Kristensen, Kristian and Rengel, Zed (2011) Nutrient Management in Organic Farming and Consequences for Direct and Indirect Selection Strategies. In: Lammerts van Bueren, Edith T. and Myers, James R. (Eds.) Organic Crop Breeding. Wiley-Blackwell, Oxford, UK, pp. 15-38.

Meyer-Aurich, Andreas; Schuler, Johannes; Zander, Peter and Bachinger, Johann (2003) Integration von Umweltzielen in die Betriebsoptimierung im ökologischen Landbau – Möglichkeiten und Grenzen am Beispiel des Versuchsbetriebes Klostergut Scheyern. [Integration of environmental aims in optimising operations in organic farming - Possibilities and limits on the pilot farm Klostergut Scheyern.] Paper at: 7. Wissenschaftstagung zum Ökologischen Landbau, Ökologischer Landbau der Zukunft, Wien, 24.-26. Februar 2003.

Migliorini, Paola and Vazzana, Concetta (2006) Evaluation of sustainability: results from long term experimental arable systems in Tuscany. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 175-179.

Moeskops, Bram; -, Sukristiyonubowo; Buchan, David; Sleutel, Steven; Herawaty, Lenita; Husen, Edi; Saraswati, Rasti; Setyorini, Diah and De Neve, Stefaan (2010) Soil microbial communities and activities under intensive organic and conventional vegetable farming in West Java, Indonesia. Applied Soil Ecology, 45 (2), pp. 112-120.

Moeskops, Bram; Buchan, David; Sukristiyonubowo, -; De Neve, Stefaan; De Gusseme, Bart; Widowati, Ladiyani Retno; Setyorini, Diah and Sleutel, Steven (2012) Soil quality indicators for intensive vegetable production systems in Java, Indonesia. Ecological Indicators, 18, pp. 218-226.

Morgner, Marion; Fliessbach, Andreas and Mäder, Paul (2003) DOK-Versuch. [The DOK-Trial.] . Online at <http://www.oekolandbau.de/index.cfm?000C39F26BAE1D6FB99D01A5C0A8E066>.

Moura, Emanoel Gomes de ; Silva, Antônio José de França ; Furtado, Mariléia Barros and Aguiar, Alana das Chagas Ferreira (2008) Avaliação de um sistema de cultivo em aléias em um argissolo franco-arenoso da região amazônica. [Evaluation of an alley cropping system under humid tropical conditions of the amazon region.] Revista Brasileira de Ciência do Solo, 32 (4), pp. 1735-1742.

Müller, Christoph; Siebrecht, Norman; Reents, Dr. Hans Jürgen; Brandhuber, Robert and Kainz, Max (2009) Wirkungen des Ökologischen Landbaus auf Bodenerosion – Beitrag 2: Einfluss des Leguminosenmangements auf Merkmale der Bodenerodibilität. Paper at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Müller, Siegfried (2003) Wirkung verschiedener organischer Mulchmaterialien auf den Nährstoff- und Wasserhaushalt des Bodens - Quantifizierung der Bedeutung für den ökologischen Landbau. [Reaction of different organic mulch materials on the nitrogen and water supply in soil - quantification of the meaning for organic farming.] Fachhochschule Erfurt, Fachbereich Gartenbau.

Munkholm, L.J. (2003) Genpakning af jord efter dybdeløsning. [Recompaction of mechanically loosened subsoil.] Økologisk Jordbrug, 2003 (291), p. 6.

Munkholm, L.J. (2001) Jordens smuldreevne har stor betydning. [Soil friability.] Økologisk Jordbrug, 2001 (244), p. 8.

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, L.J. and Schjønning, P. (2003) Compacted subsoils in organic farming: Mechanical loosening and the risk of recompaction. DARCOFenews, September 2003, 3, - .

Munkholm, L.J. and Schjønning, P. (2003) Mechanical subsoiling: Mitigation of recompaction by light traffic and on-land ploughing. In: Proceedings, 16th International Conference of the International Soil Tillage Research Organization (CD-ROM).

Munkholm, L.J.; Schjønning, P.; Heckrath, G. and Jørgensen, M.H. (2000) Pløjefri dyrkning: effekter på jordens frugtbarhed. [Ploughless tillage: impact on soil quality.] In: Tidsskrift for Landøkonomi, Landhusholdningsselskabet, 4, pp. 306-309. [Unpublished]

Munkholm, L.J.; Schjønning, P.; Jørgensen, M.H. and Thorup-Kristensen, K. (2005) Mitigation of subsoil recompaction by light traffic and on-land ploughing. II: Root and yield response. Soil & Tillage Research (80), pp. 159-170.

Munkholm, L.J.; Schjønning, P. and Rasmussen, K.J. (1998) Non-inverting soil tillage as a means of optimising soil tilth. [Ikke-vendende jordbearbejdning til sikring af en bekvem jord.] In: Børresen, T. (Ed.) NJF-UTREDNING/RAPPORT, 124, pp. 26-33.

Munkholm, L.J.; Schjønning, P.; Rasmussen, K.J. and Tanderup, K. (2003) Spatial and temporal effects of direct drilling on soil structure in the seedling environment. Soil and Tillage Research, 71 (2), pp. 163-173.

Munkholm, L.J.; Schjønning, P. and Rüegg, K. (2005) Mitigation of subsoil recompaction by light traffic and on-land ploughing. I. Soil response. Soil & Tillage Research (80), pp. 149-158.

Munkholm, Lars; Schjønning, Per and Kay, Bev D. (2002) Tensile strength of soil cores in relation to aggregate strength, soil fragmentation and pore characteristics. Soil and Tillage Research, 64 (1-2), pp. 125-135.

Munkholm, Lars J; Schjønning, Per and Rasmussen, Karl J (2000) Non-inverting Tillage: Early-Stage Effects on Soil Mechanical Behaviour. In: Morrison, J.E. (Ed.) CD-ROM: Proceedings 15th ISTRO Conference, Texas, June 2000, pp. 1-10. [Unpublished]

Munkholm, Lars J. (2005) Jordløsning i sædskifteforsøg. [Subsoil loosening in an organic crop rotation rotation expriment.] Økologisk Jordbrug, 2005, 309, p. 6.

Munkholm, Lars J. (2005) The spade analysis. In: ISTRO Info, ISTRO. [In Press]

Munkholm, Lars J. (2002) Sådan sikres en bekvem jord. [Soil Thith.] Landsbladet, December 2002, p. 32.

Munkholm, Lars J. (2002) Soil Fragmentation and Friability. Effects of Soil Water and Soil Management. Thesis, Danish Institute of Agricultural Sciences, Department of Crop Physiology and Soil Science. Danish Institute of Agricultural Sciences.

Munkholm, Lars J. and Kay, Bev D. (2002) Effect of Water Regime on Aggregate-tensile Strength, Rupture Energy, and Friability. Soil Science Society of America Journal, 66, pp. 702-709.

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.

Munkholm, Lars J.; Olesen, Jørgen E. and Schjønning, Per (2005) Subsoil loosening eliminated plough pan but had variable effect on crop yield. In: NJF Report, NJF, 1 (1), pp. 95-98.

Munkholm, Lars J.; Schjønning, Per and Elmholt, Susanne (2002) Soil structure dynamics: Effects of management and water content. Paper at: Advances in Soil Structure Research workshop, Prince Edward Island, Canada, July 7-9 2002. [Unpublished]

Munkholm, Lars J.; Schjønning, Per and Petersen, Carsten T. (2001) Soil mechanical behaviour of sandy loams in a temperate climate: case studies on long-term effects of fertilization and crop rotation. Soil Use and Management, 17, pp. 269-277.

Munkholm, Lars J.; Schjønning, Per and Rasmussen, Karl J. (2001) Non-inversion tillage effects on soil mechanical properties of a humid sandy loam. Soil and Tillage Research, 62 (1-2), pp. 1-14.

Myrbeck, Åsa (2005) Harvning - inte bara en ogräsfråga. [Harrowing - not only for controlling weeds.] In: Ekologiskt lantbruk konferens 22-23 november 2005. Ultuna, Uppsala. Sammanfattningar av föredrag och postrar. SLU. Centrum för uthålligt lantbruk., Federativ tryckeri AB. [Unpublished]

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Nachimuthu, Gunasekhar; Kristiansen, Paul; Lockwood, Peter and Guppy, Chris (2005) A comparison of soil properties under organic and conventional farming in Australia. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

NIKOLIC, Jovan (2003) Overall study of compost water extract application through fertigation system in organic farming. [Etude sur l’application d’extrait liquide de compost à travers le système de fertigation en agriculture biologique.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic farming. Tesi Master of Science, no. 301. . [Unpublished]

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Oberholzer, H.R.; Mäder, Paul and Fliessbach, Andreas (2000) DOC-trail: 20 years of organic and conventional farming affect soil microbial properties. In: Alföldi, Thomas; Lockeretz, W. and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, p. 14.

Oberholzer, Hans-Rudolf; Fließbach, Andreas; Mäder, Paul and Mayer, Jochen (2009) Einfluss von biologischer und konventioneller Bewirtschaftung auf biologische Bodenqualitätsparameter: Entwicklungen im DOK Langzeitversuch nach pH-Regulierung. Paper at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Oberholzer, Hans-Rudolf; Fließbach, Andreas; Mäder, Paul and Mayer, Jochen (2009) Einfluss von biologischer und konventioneller Bewirtschaftung auf biologische Bodenqualitätsparameter im DOK Langzeitversuch. In: Wiesler, F.; Schenkel, H. and Ebertseder, T. (Eds.) Produktivität und Umweltschonung in der Landwirtschaft – ein Widerspruch?, VDLUFA-Verlag, D-Speyer, p. 96.

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, Fritz; Oberson, Astrid; Probst, Mirijam; Fliessbach, Andreas; Roth, Hans-Rudolf and Frossard, Emmanuel (2001) Kinetics of microbial phosphorus uptake in cultivated soils. Biology and Fertility of Soils (34), pp. 31-41.

Oelofse, Myles; Jensen, L.S. and Magid, Jakob (2013) The implications of phasing out conventional nutrient supply in organic agriculture: Denmark as a case. Organic Agriculture, 3 (1), pp. 41-55.

Oelofse, Myles; Jensen, Lars Stoumann and Magid, Jakob (2013) The implications of phasing out conventional nutrient supply in organic agriculture: Denmark as a case. Organic Agriculture, 3, pp. 41-55.

Oelofse, Myles ; Jensen, Lars Stoumann and Magid, Jakob (2012) The implications of phasing out conventional nutrient supply in organic agriculture: Denmark as a case. Journal of Organic Agriculture, , - . [Submitted]

Olesen, Jørgen Eivind (2014) Simple soil carbon model for use in the HighCrop decision model. Working paper, Department of Agroecology, Aarhud University. [Completed]

Olesen, Jørgen Eivind (2012) Økologisk planteavl kan lagre kulstof. Økologi & Erhverv, 24 August 2012 (505), p. 17.

Oliveira, Fernanda Ribeiro de Andrade (2008) Sustentabilidade e qualidade do solo em propriedades de cana-de-açúcar orgânica e convencional. [Sustainability and quality in soil properties cane sugar organic and conventional.] Masters thesis, UNIVERSIDADE FEDERAL DE SÃO CARLOS. .

Owen, Ms. Josée; Lynch, Dr. Derek and Fillmore, Ms. Sherry (2008) Changes in light fraction soil organic matter and in organic carbon and nitrogen in compost amended soils. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Padovan, Milton Parron ; Motta, Ivo de Sá ; Carneiro, Leandro Flávio ; Moitinho, Mara Regina and Brito, Gisele de (2012) Dinâmica de acúmulo de massa e nutrientes pelo milheto para fins de adubação verde em sistemas de produção sob bases ecológicas. [Dynamics of mass accumulation and nutrient by millet for green manure production systems under agroecological agroecosystem.] Revista Brasileira de Agorecologia, 7 (1), pp. 95-103.

Palojärvi, Ansa; Myllys, Merja and Alakukku, Laura (2003) On-farm soil quality estimations. Poster at: NJF's 22nd congress "Nordic agriculture in global perspective", Turku, Finland, July 1-4, 2003.

Palojärvi, Ansa and Nuutinen, Visa (2002) The soil quality concept and its importance in the study of Finnish arable soils. Agricultural and Food Science in Finland, 11 (4), pp. 329-342.

Papadopoulos, A; Bird, N R A; Whitmore, A P and Mooney, S J (2006) The effects of organic farming on the soil physical environment. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 263-267.

Paulsen, Hans Marten; Schrader, Stefan and Schnug, Ewald (2009) Eine kritische Analyse von Ruschs Theorien zur Bodenfruchtbarkeit als Grundlage für die Bodenbewirtschaftung im Ökologischen Landbau. [A critical assessment of the Rusch theory on soil fertility as basis for soil management in Organic Farming.] Landbauforschung - vTI Agriculture and Forestry Research, 59 (3), pp. 253-268.

Paulsen, Hans-Marten and Bauer, Benjamin (2009) Soil organic carbon stocks in hedge-banks as agricultural marginal areas. In: Rahmann, Gerold (Ed.) Ressortforschung für den ökologischen Landbau 2008. Johann Heinrich von Thünen-Institut - Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei (vTI), Braunschweig, pp. 73-80.

Paulsen, Hans Marten (2011) Bodenfruchtbarkeit im biologischen Landbau nach Hans-Peter Rusch. [Soil fertility in organic farming systems according to Hans-Peter Rusch.] In: Zusammenfassung der Tagungsbeiträge BIO AUSTRIA Bauerntage 2011, Bio Austria, A-Linz, pp. 11-12.

Pedersen, Anders; Stoumann Jensen, Lars and Thorup-Kristensen, Kristian (2005) A model analysis on nitrate leaching under different soil and climate conditions and use of catch crops. Poster at: at 14th N WORKSHOP “N management in agrosystems in relation to the Water Framework Directive”, Maastricht, The Netherlands, 24-26 October 2005,. [Unpublished]

Pernin, C.; Ambrosi, J.P.; Cortet, J.; Joffre, R.; Tabone, E.; Torre, F. and Krogh, P.H. (2006) Effects of sewage sludge and copper enrichment on both soil mesofauna community and decomposition of oak leaves (Quercus suber) in a mesocosm. Biology and Fertility of Soils, 43, pp. 39-50.

Pfiffner, Lukas (2013) Vers de terre. Fiche technique. Institut de recherche de l'agriculture biologique (FiBL), CH-Frick.

Philipps, Lois (2004) Soil Monitoring Programmes at Sheepdrove Organic Farm 2003-2004. .

Philipps, Lois (2003) Sheepdrove Organic Farm Soils Programme Report 2003 Interim Report. .

Philipps, Ms Lois; Stockdale, Dr Elizabeth A. and Waston, Dr Christine A. (2006) Do Farm Management Practices Alter Soil Biodiversity and Ecosystem Function? Implications for Sustainable Land Management. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Pietsch, G.; Friedel, J.K.; Rinnofner, T.; Strauss- Siebert, A.; Loiskandl, W.; Kikuta, S. and Freyer, B. (2005) Wasserhaushaltsmessungen in ökologisch bewirtschafteten Leguminosenbeständen im Trockengebiet Ostösterreichs. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 17, pp. 122-123.

Plantener, Pernille (2012) Hvad kan jordbundsanalyser bruges til? [What can soil analysis used for?] In: Blume, Steffen (Ed.) Økologisk Planteavlsberetning 2012. Økologisk Rådgivning, chapter 12, p. 11.

Plümer, Tanja (2005) 10 Jahre differenzierte Grundbodenbearbeitung im Ökologischen Landbau - Untersuchungen zur Wurzeldynamik. [10 years specified soil management in organic agriculture - effects on roots.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Plümer, Tanja (2003) Untersuchungen zur Wurzeldynamik in einer fünfgliedrigen Ackerfruchtfolge bei wendender und nichtwendender Bodenbearbeitung im ökologischen Landbau - Erste Ergebnisse [Investigations on root dynamics of an organic five-year crop rotation with and without plough - first results]. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Institut für ökologischen Landbau - Universität für Bodenkultur, Wien, pp. 457-458.

Plümer, Tanja (2002) Untersuchungen zur Wurzeldynamik in einer fünfgliedrigen Ackerfruchtfolge bei wendender und nichtwendender Bodenbearbeitung im ökologischen Landbau - Erste Ergebnisse. In: Bodenbearbeitung und Bodengesundheit. Zwischenergebnisse im Projekt Ökologische Bodenbewirtschaftung in Wörrstadt-Rommersheim (Rheinhessen, Rheinland-Pfalz). Schriftenreihe der Landesanstalt für Pflanzenbau und Pflanzenschutz Mainz, no. 13 (2002). Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz und Stiftung Ökologie und Landbau, Bad Dürkheim, pp. 84-104.

Pohl, Walther; Mentler, Axel; Okalany, Emmanuel; Probst, Lorenz and Zechmeister-Boltenstern, Sophie (2014) Ecosystem services in smallholder coffee farming systems: a case study in Uganda using chemical soil indicators. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germay, 4, Thuenen Report, no. 20, pp. 1119-1122.

Pommeresche, Reidun (2005) Aktiv jordforbedrer med krås. [Active soil improver with gizzard.] Økologisk landbruk (4), pp. 30-33.

Pommeresche, Reidun; Hansen, Sissel; Løes, Anne-Kristin and Sveistrup, Tore E. (2007) Meitemark og jordforbedring. Bioforsk Organic Food and Farming, Tingvoll,Norway.

Pommeresche, Reidun and Løes, Anne-Kristin (2012) Collembola in grassland – included in the new project SoilEffects. In: Fransson, Petra; Elsgaard, Lars; Palojärvi, Ansa; Sverrisson, Halldor and Øgaard, Anne Falk (Eds.) Biotic soil factors and plant growth, Nordic Association of Agricultural Scientists, Uppsala, 8 (2), NJF Report, pp. 28-29.

Pommeresche, Reidun; Løes, Anne-Kristin; Hansen, Sissel and Riley, Hugh (2012) Earthworms: Interactions with management; impacting plant growth? In: Fransson, Petra; Elsgaard, Lars; Palojärvi, Ansa; Sverrisson, Halldor and Øgaard, Anne Falk (Eds.) NJF Seminar 449 Biotic soil factors and plant growth, Nordic Association of Agricultural Scientists, Uppsala, Sweden, 8 (2), NJF Report, pp. 26-27.

Pommeresche , Reidun and Løes, Anne-Kristin (2012) Collembola in grassland - included in the new project SoilEffects. In: Fransson, Petra; Elsgaard, Lars; Palojärvi, Ansa; Sverrisson, Halldor and Øgaard, Anne Falk (Eds.) NJF Seminar 449 Biotic soil factors and plant growth, Nordic Association of Agricultural Scientists, Uppsala, Sweden, 8 (2), NJF Report, pp. 28-29.

Pronk, W.; Zuleeg, S.; Lienert, J.; Escher, B.; Koller, M.; Berner, A.; Koch, G. and Boller, M. (2007) Pilot Experiments with Electrodialysis and Ozonation for the Production of a Fertilizer from Urine. Water Science and Technology, 56 (5), pp. 219-227.

Pronk, Annette and Groeneveld, Roel (editor): Wageningen, Plant Research International (Ed.) (2010) Groene grondbedekking in de biologische boomkwekerij. [Green soil covering in the organic tree nursery.] Biokennis. Wageningen, Plant Research International.

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Ramos, Fabricio Tomaz ; Nunes, Maria Cândida Moitinho ; Campos, Daniela Tiago da Silva ; Ramos, Denis Tomás and Maia, João Carlos de Souza (2011) Atributos físicos e microbiológicos de um latossolo vermelho-amarelo distrófico típico sob cerrado nativo e monocultivo de soja. [Physical and microbiological attributes of a ferralsol under native cerrado and soybean monoculture.] Revista Brasileira de Agroecologia, 6 (2), pp. 79-91.

Rasche, Frank; Widmer, Franco; Mäder, Paul; Gattinger, Andreas and Fließbach, Andreas (2003) Vergleich von Methoden zur Ermittlung der mikrobiellen Diversität in Böden des DOK-Versuches. [Comparison of methods to study microbial diversity in the soils of the DOK trial.] In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft. Wien, 24.-26. Februar 2003.. Universität für Bodenkultur, Wien - Institut für Ökologischen Landbau, pp. 447-448.

Rasche, Frank; Widmer, Franco; Mäder, Paul; Gattinger, Andreas and Fliessbach, Andreas (2003) Vergleich von Methoden zur Ermittlung der mikrobiellen Diversität in Böden des DOK-Versuches. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft. Wien, 24.-26. Februar 2003, Universität für Bodenkultur, Wien - Institut für Ökologischen Landbau, p. 447.

Raupp, Joachim (2006) Ertrag und Qualitätseigenschaften von Sommerweizen und Kartoffeln bei organischer Düngung tierischer Herkunft (Rottemist) und pflanzlicher Herkunft (Ackerbohnenschrot). [Yield and quality parameters of spring wheat and potatoes with animal based fertiliser (composted manure) and plant based fertiliser (faba bean meal).] Institut für Biologisch-Dynamische Forschung (IBDF), D-Darmstadt.

Raupp, Joachim (2001) Zwanzig Jahre Langzeit-Düngungsversuch. Ökologie & Landbau (2/2001), pp. 29-31.

Raupp, Joachim and Oltmanns, Meike (2006) Farmyard manure, plant based organic fertilisers, inorganic fertiliser - which sustains soil organic matter best? In: Aspects of Applied Biology, Assoc. Applied Biologists, 79, pp. 273-276.

Raupp, Joachim (2001) Wirkungen der biologisch-dynamischen Präparate im Langzeit-Düngerversuch. Lebendige Erde, May 2001, 5, pp. 42-44.

Raviv, Michael; Iviani, Ido and Laor, Yael (2006) The changing needs with time for mineral nutrition of organic stone fruit orchard under Mediterranean conditions. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, p. 111.

Rayns, Francis W; Jackson, Lorna R; Bending, Gary D; Turner, Mary K; Wood, Marting and Marx, Mare-Claude (2002) The effect of organic management on soil quality indicators. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 139-140.

Reents, Hans Jürgen and Levin, Kain (2013) Wirkung von Biochar und organischen Düngern auf Pflanzenwachstum und Bodeneigenschaften. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

Reents, Hans Jürgen; Stollovsky, Moritz; Brandhuber, Robert; Erez, Benny and Kainz, Max (2011) Effekt von Biogas-Fruchtfolgen und Biogas-Gülle auf Boden-struktur und weitere Bodeneigenschaften. Poster at: 11. Wissenschaftstagung Ökologischer Landbau, Gießen, 16.-18. März 2011.

Reeve, Jennifer; Smith, Jeffrey L.; Carpenter-Boggs, Lynne and Reganold, John P. (2005) PLANT UPTAKE OF SOLUBLE ORGANIC MOLECULES AS N SOURCE. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Riepert, Frank; Steindl, Anna; Eibach, Rudolf; Maixner, Michael; Reichmuth, Christoph; Strassemeyer, Jörn and Strumpf, Thomas (2010) Monitoring of total contents of copper in organically and conventionally managed soils. Part 1: Study plan and preliminary sampling of copper and other anthropogenic induced heavy metal contents in vineyard soils. [Erhebung von Kupfergesamtgehalten in ökologisch und konventionell bewirtschafteten Böden. Teil 1: Erhebungsplan und Vorbeprobung von Kupfer und anderen anthropogen eingetragenen Schwermetallen in Weinbergsböden.] Journal für Kulturpflanzen, 62 (2), pp. 42-50.

Robertson, J F (2006) Balancing soil nutrient availability on commercial organic farms. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 297-299.

Rodionov, A.; Nii-Annang, S.; Fischer, T.; Gattinger, A.; Bens, O.; Raab, T. and Hüttl, R. F. (2014) Cross-linked polyacrylates in post-mining substrates: persistence and effects on plant growth. Soil Use and Management. DOI: 10.1111/sum.12103, , - .

Rudolph, Gwendolyn; Bochicchio, Davide; Butler, Gillian; Dippel , Sabine; Dourmad, Jean Yves; Edwards , Sandra; Früh, Barbara; Illmann, Gudrun; Meier, Matthias; Prunier, Armelle; Rousing, Tine; Salomon, Eva; Silerova, Jitka; Sorensen, J.T.; Urban, Jiri; Vertes, Francois; Winckler, Christoph and Leeb, Christine (2012) ProPIG - Organic pig health, welfare and environmental impact across Europe. Poster at: Minding Animals, Utrecht, The Netherlands, 4-6 July 2012.

Rühmer, Thomas (2012) Neues Projekt zur Bekämpfung von Nachbauproblemen. Besseres Obst , June 2012 (6), pp. 7-8.

Rupp, Dietmar (2002) Lavagranulat - Möglichkeit zur raschen Verbesserung der Bodenstruktur? [Lava Granules - a Way to improve the Soil Structure ?] In: Boos, Markus (Ed.) Ecofruit - 10th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing and Viticulture. Proceedings to the Conference from 4th to 7th Feb. 2002 at Weinsberg/Germany, pp. 238-242.

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Sanches De Cima, Diego; Reintam, Endla; Eremeev, Viacheslav and Luik, Anne (2013) Soil chemical properties under different nutrient managements in Estonia. In: Mikomägi, Annika and Vilumaa, Kadri (Eds.) Book of Abstracts Down to Earth, p. 63.

Sanches De Cima, Diego; Reintam, Endla and Luik, Anne (2012) Soil physical properties under different cropping systems in Estonia. In: NJF Report seminar 448: Soil compaction – effects on soil functions and strategies for prevention , 8 (1), pp. 65-67.

Sanchez de Cima, Diego; Reintam, Endla and Luik, Anne (2013) Effects of organic versus conventional farming on different chemical soil parameters in Estonia. In: Løes, Anne-Kristin; Askegaard, Margrethe; Langer, Vibeke; Partanen, Kirsi; Pehme, Sirli; Rasmussen, Ilse A.; Salomon, Eva; Sørensen, Peter; Ullvén, Karin and Wivstad, Maria (Eds.) Organic farming systems as a driver for change, NJF Report, no. 9 (3), pp. 163-164.

Sanchez de Cima, Diego; Reintam, Endla and Luik, Anne (2012) Soil physical properties under different cropping systems in Estonia. In: European Confederation of Soil Science Societies, Book of Abstracts S03.01-P-31, p. 1030.

Sangakkara, Dr Ravi; Bandaranayake, Mr P; Dissanayake, Ms U and Gajanayake, Ms J (2008) Organic matter addition in organic farming – Impact on root development and yields in maize and cowpea over dry seasons. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Sangakkara, U. R.; Pietsch, G.; Gollner, M. and Freyer, B. (2005) Effect of incorporating rice straw or leaves of gliricidia (g. Sepium) on the productivity of mungbean (vigna radiata) and on soil properties. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Sans, F. X.; Berner, A.; Armengot, L. and Mäder, P. (2011) Tillage effects on weed communities in an organic winter wheat-sunflower-spelt cropping sequence. Weed Research, 51, pp. 413-421.

Sarapatka, Borivoj and Kouril, Milan (2007) Monitoring Soil Characteristics in Organic Farming: A Comparison of Field vs. Laboratory Methods. Poster at: 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Sarapatka, Prof. Dr. Borivoj; Pokorny, Assoc. Prof. Ing. Eduard; Hejatkova, Ing. Kvetuse; Matlova, Ing. Vera and Krskova, Dr. Milena (2006) AN EVALUATION OF SELECTED SOIL PROPERTIES AND THEIR EFFECT ON THE BIOLOGICAL ACTIVITY OF SOILS IN ORGANIC FARMING IN THE CZECH REPUBLIC. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Sathiya Bama, K Somasundaram; Shanmugasundaram, S Porpavai; Kandasamy, G Selvakumari and Thangamuthu, T Jayaraj (2008) MAINTENANCE OF SOIL QUALITY PARAMETERS THROUGH HUMIC ACID APPLICATION IN AN ALFISOL AND INCEPTISOL. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Scheidler, Vivienne (2004) Die Bedeutung der Anzuchterde für die Pflanzenentwicklung. [The importance of the propagation medium for the development of plants.] . [Unpublished]

Scheller, Edwin (2002) Eiweißstoffwechsel im Boden und Humusaufbau. [Protein metabolism in the soil and humification.] Lebendige Erde, 3/2002, pp. 40-43.

Schjønning, P. (2008) Undgå skadelig pakning af jorden. Økologisk Jordbrug, September 2008 (415), p. 12.

Schjønning, P. (2007) The role of soil science in optimization of soil resource management. Speech at: NJF's 23rd Congress: Trends and Perspectives in Agriculture, Copenhagen, June 26-29 2007.

Schjønning, P. (2004) Kompakt jord. Agrologisk Marken, February 2004 (2), pp. 16-18.

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) 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. (2003) Jordbearbejdning. [Soil tillage (in organic farming).] Økologisk Jordbrug, 2003 (281), p. 4.

Schjønning, P. (2000) Jordens frugtbarhed og kvalitet. [Soil quality and soil fertility.] In: Tidsskrift for Landøkonomi, Landhusholdningsselskabet, 4, pp. 290-292.

Schjønning, P.; Iversen, B.V. and Jacobsen, O.H. (2004) Driftsformen har begrænset effekt på jordens evne til at holde på vandet. FØJOenyt (5).

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, 4, pp. 19-20.

Schjønning, P.; Iversen, B.V.; Munkholm, L.J.; Labouriau, R. and Jacobsen, O.H. (2005) Pore characteristics and hydraulic properties of a sandy loam supplied for a century with either animal manure or mineral fertilizers. Soil Use and Management, 21, pp. 265-275.

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.; 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.

Schjønning, P.; Munkholm, L.J. and Elmholt, S. (2003) Jordkvalitet og dyrkningsmetoder. [Soil quality and management.] In: Holmstrup, M. (Ed.) Økologisk landbrug og naturen - gør økologisk landbrug en forskel for natur og miljø?. Miljøbiblioteket, no. 1. Gads Forlag, chapter 1, pp. 9-19.

Schjønning, P.; Munkholm, L.J.; Elmholt, S.; Debosz, K.; Mikkelsen, G.H. and Trautner, A. (2000) Den danske dyrkningsjords tilstand og kvalitet - konsekvenser af trafik og jordbearbejdning. [The quality of Danish agricultural soils - impact of traffic and tillage.] In: Tidsskrift for Landøkonomi, Landhusholdningsselskabet, 4, pp. 293-300. [Unpublished]

Schjønning, P.; Munkholm, L.J.; Elmholt, S. and Olesen, J.E. (2007) Organic matter and soil tilth in arable farming: Management makes a difference within 5-6 years. Agriculture, Ecosytems and Environment, 122, pp. 157-172.

Schjønning, P. and Rasmussen, K.J. (2000) Soil strength and soil pore characteristics for direct-drilled and ploughed soils. Soil and Tillage Research, 57 (1-2), pp. 69-82.

Schjønning, P.; Thomsen, I.K. and Christensen, B.T. (1998) Soil porosity as a habitat for microorganisms. [Jordens porer som habitat for mikroorganismer.] In: Børresen, T. (Ed.) NJF-UTREDNING/RAPPORT, 124, pp. 49-56.

Schjønning, P.; Thomsen, I.K.; Møberg, J.P.; de Jonge, H.; Kristensen, K. and B.T., Christensen (1999) Turnover of organic matter in differently textured soils. I. Physical characteristics of structurally disturbed and intact soils. Geoderma, 89 (3-4), pp. 177-198.

Schjønning, Per; Elmholt, Susanne; Munkholm, Lars J. and Debosz, Kasia (2002) Soil quality aspects of humid sandy loams as influenced by organic and conventional long-term management. Agriculture, Ecosystems & Environment, 88 (3), pp. 195-214.

Schjønning, Per; Munkholm, Lars J.; Debosz, Kasia and Elmholt, Susanne (2000) Multi-level assessment of soil quality – linking reductionistic and holistic methodologies. In: Elmholt, Susanne; Stenberg, Bo; Grønlund, Arne and Nuutinen, V. (Eds.) DIAS Report, Danish Institute of Agricultural Sciences, 38, pp. 43-52.

Schjønning, Per; Rasmussen, Karl J.; Munkholm, Lars J. and Nielsen, Peter S. (2002) Jordbearbejdning i økologisk jordbrug – pløjedybde og ikke-vendende jordløsning [Soil tillage in organic farming – ploughing depth and non-inversion deep tillage]. DJF Rapport, Markbrug, no. 82. Danish Institute of Agricultural Science, Department of Crop Physiology and Soil Science.

Schjønning, P.; de Jonge, L.W.; Moldrup, P.; Christensen, B.T. and Olesen, J.E. (2010) Searching the critical soil organic carbon threshold for satisfactory tilth conditions – test of the Dexter clay:carbon hypothesis. [På jagt efter et nedre, kritisk indhold af organisk stof i jord - test af Dexter's ler:kulstof hypotese.] In: de Jonge, L.W.; Moldrup, P. and Vendelboe, A.L. (Eds.) Proceedings of the 1st international conference and exploratory workshop on soil architecture and physico-chemical functions "Cesar", Aarhus University, Faculty of Agricultural Sciences, Research Centre Foulum, Tjele, Denmark, pp. 341-346.

Schjønning, P.; de Jonge, L.W.; Munkholm, L.J.; Moldrup, P.; Christensen, B.T. and Olesen, J.E. (2011) Clay dispersibility and soil friability – testing the soil clay-to-carbon saturation concept. Vadose Zone Journal, 11 (1), pp. 174-187.

Schjønning, P.; de Jonge, L.W.; Olesen, J.E. and Greve, M.H. (2009) Effekten af økologiske driftsmetoder på ler-dispergering i kulstof-udpinte jorde. ICROFS Nyt, December 2009 (4), pp. 5-7.

Schjønning, P.; de Jonge, L.W.; Olesen, J.E. and Greve, M.H. (2009) Organic farming effects on clay dispersion in carbon-exhausted soils. ICROFS News, November 2009 (4), pp. 8-10.

Schjønning, P.; Heckrath, G. and Christensen, B.T. (2009) Threats to soil quality in Denmark - A review of existing knowledge in the context of the EU Soil Thematic Strategy. [Trusler mod jordkvalitet i Danmark - En gennemgang af eksisterende viden set i lyset af EU's tematiske jordstrategi.] DJF Report Plant Science, no. 143. Aarhus University, Faculty of Agricultural Sciences, Research Centre Foulum, Tjele, Denmark.

Schjønning, P.; Munkholm, L.J.; Moldrup, P. and Jakobsen, O.H. (2002) Modelling soil pore characteristics from measurements of air exchange: the long-term effects of fertilization and crop rotation. European Journal of Soil Science, 53 (2), pp. 331-339.

Schjønning, Per and Lamandé, M. (2012) Bæredygtig trafik i marken. [Sustainable transport in the field.] In: Blume, Steffen (Ed.) Økologisk Planteavlsberetning 2012. Økologisk Rådgivning, chapter 12, pp. 3-6.

Schmidt, Harald (2007) Untersuchung ackerbaulicher Probleme langjährig ökologisch wirtschaftender Betriebe; Kooperationsmodell Praxis - Beratung - Wissenschaft. [Investigation of problems in plant production of long-term organic farms; cooperation model farmers – advisors – scientists.] Stiftung Ökologie & Landbau, D-Bad Dürkheim.

Schmidt, Reiner (2002) Baldrianpräparate im Vergleich mit verschiedenen Phosphatdüngern im Grünland. Lebendige Erde, May 2002, 5, pp. 46-47.

Schmutz, Res; Koller, Martin; Morgner, Marion; Fichtenbusch, Lars and Puffarth, Souila (2004) Fruchtfolge-Planer. [Rotation planning tool.] . Online at <http://www.oekolandbau.de/index.cfm/000E1791DE101FB89CA16521C0A8D816>.

Schuler, Christiana; Raupp, Joachim and George, Eckhard (2008) The importance of amino-N for humus formation studied by comparing amino-N input to the soil and soil total nitrogen content in long-term experiments. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Schulz, Franz; Brock, Christopher and Leithold, Günter (2014) LIVESTOCK IN ORGANIC FARMING – HOW IMPORTANT IS IT FOR SOIL FERTILITY MANAGEMENT? In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 2, Thuenen Report, no. 20, pp. 459-462.

Schulz, Franz; Brock, Christopher and Leithold, Günter (2013) Viehhaltung im Ökologischen Landbau - ja oder nein? Effekte auf Bodenfruchtbarkeit, N-Bilanzen und Erträge. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

Seibt, Perry (2007) Anwendung einer neuen standortabhängigen Methode zur Humusbilanzierung an sächsischen Dauertestflächen und Vergleich mit anderen üblichen Methoden zur Feststellung des Versorgungsgrades mit organischer Substanz im Hinblick auf Sicherung der Nachhaltigkeit der Betriebe im konventionellen und ökologischen Landbau. Thesis, TU Dresden, Fakultät Forst-, Geo- und Hydrowissenschaften, Institut für Bodenkunde und Standortlehre. . [Unpublished]

Serra, Anderson Borges (2005) Indicadores de sustentabilidade do solo em sistemas alternativos ao uso do fogo, baseados nos princípios da agroecologia, desenvolvidos por agricultores familiares na região da rodovia transamazônica - oeste do Pará. [Indicators of soil sustainability in alternative to the use of fire, based on the principles of agroecology, developed by farmers in the region of the trans-Amazon highway systems - west of Pará.] Masters thesis, Universidade Federal do Pará. .

Shepherd, Mark; Hatch, David and Hatley, Damian (2002) Understanding soil nitrogen supply: organic matter quality and quantity. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 145-146.

Shepherd, Mark; Hatley, Damian and Gosling, Paul (2002) Assessing soil structure in organically farmed soils. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 143-144.

Siebrecht, Norman and Kainz, Max (2009) Wirkungen des Ökologischen Landbaus auf Bodenerosion – Beitrag 3: Eignung bestehender Methoden, Defizite und Anpassungsbedarf. Poster at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Silva, Edmilson Evangelista da (2010) Cultivo orgânico de taro e impacto do manejo fitotécnico na qualidade do solo na região de Paty do Alferes. [Organic cropping of taro and phytotechny management impacts on the quality of soil in Paty do Alferes region.] Masters thesis, Universidade Federal Rural do Rio de Janeiro. .

SIMON, S.; BUSSI, C.; GIRARD, T. and CORROYER, N. (2006) Arboriculture Biologique : 11 années d'expérimentation en vergers de pêchers et pommiers. [Organic peach and apple production : an 11 year-experience of experimentation in orchards.] INRA National Institute for Agricultural Research, Unité Expérimentale Gotheron.

Skinner, Colin; Gattinger, Andreas; Müller, Adrian; Mäder, Paul; Fließbach, Andreas; Stolze, Matthias; Ruser, Reiner and Niggli, Urs (2014) Greenhouse gas fluxes from agricultural soils under organic and non-organic management - A global meta-analysis. Science of the Total Environment, 468-69, pp. 553-563.

Stefano, Dr. Canali; Alessandra, Dr. Trinchera; Emanuela, Dr. Di Bartolomeo; Luigi, Dr. Nisini; Anna, Dr. Benedetti and Francesco, Dr. Intrigliolo (2002) Soil fertility comparison among organic and conventional managed citrus orchards in Sicily. Speech at: 17th World Congress of Soil Science, Bangkok (Thailand), 14 – 21 August.

Stieber, Jette and Schmidtke, Knut (2011) Leistung legumer Untersaaten in Körnererbse: Unkrautunterdrückung, symbiotische N2-Fixierung und N-Vorfruchtwirkung in Systemen differenzierter Grundbodenbearbeitung. [Performance of legumes as undersown crops in peas: weed suppression, symbiotic N2 fixation and preceding crop effect in systems of differentiated tillage.] Hochschule für Technik und Wirtschaft Dresden, Fachgebiet Ökologischer Landbau.

Strüber, Klaus (2009) Humussphäre - Projekt zu energiesparenden und humhusaufbauenden Methoden in der Landwirtschaft Teil 5: Das Jahr 2009. [Humussphäre- a projekt about energy-saving and build-on humus methods in agriculture Part 5: The year 2009.] Starke Pferde (54), pp. 24-27.

Strüber, Klaus (2008) Humussphäre Projekt zu energiesparenden und humusaufbauenden Methoden in der Landwirtschaft Teil 3: Das Jahr 2007. [Humussphäre- a projekt about energy-saving and build-on humus methods in agriculture Part 3: The year 2007.] Starke Pferde (46), pp. 62-65.

Strüber, Klaus (2005) Arbeitspferde im biologisch-dynamischen Gemüsebau. Zusammenfassung des Berichtes 2004. [Working horses in biodynamic gardening. Summary of the report 2004.] Starke Pferde, 33 (01/2005), pp. 15-18.

Stumm, Christoph (2012) Stimmt die Humusbilanz? bioland, 3/2012, pp. 12-13.

Sukkel, Wijnand; van Geel, Willem and de Haan, Janjo (2008) Carbon sequestration in organic and conventional managed soils in the Netherlands. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Surböck, A.; Faustmann, P.; Heinzinger, M.; Friedel, J.K.; Klick, A. and Freyer, B. (2005) Auswirkungen einer Hecke auf Bodenwasserhaushalt, Bodenparameter und Ertrag in angrenzenden Ackerflächen. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 17, pp. 20-21.

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Talgre, Liina; Eremeev, Viacheslav; Sanchez de Cima, Diego; Tein, Berit; Reintam, Endla; Matt, Darja and Luik, Anne (2014) Green manures as winter cover crops enhance soil improvement and weed regulation in crop rotation. Poster at: TILMAN-ORG project meeting in Lyon, France, Lyon, France, 25.-27.06.2014.

Tamm, Lucius; Bruns, Christian; Leifert, Carlo; Fuchs, Jacques G.; Thürig, Barbara; Specht, Nicole and Fliessbach, Andreas (2006) Impact of soil management practices on soil fertility and disease suppressiveness. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Tein, Berit; Eremeev, Viacheslav; Reintam, Endla; Talgre, Liina; Sanchez de Cima, Diego and Luik, Anne (2013) Effect of green manures on weeds, crop yields and soil properties in Estonia. Poster at: 7th ORC Organic Producers Conference: Making producer-led innovation a reality, Birmingham, UK, January 2013.

Tein, Berit; Kauer, Karin; Eremeev, Viacheslav; Luik, Anne and Loit, Evelin (2013) Effect of conventional and organic cropping systems on SOC dynamics. In: Proceedings of the International conference “Soil carbon sequestration for climate food security and ecosystem services” Reykjavík, Iceland 26-29 May 2013.

Terhoeven-Urselmans, Thomas; Ilein, Florian; Schmidt, Harald and Ludwig, Bernard (2007) Kann man mit Nahinfrarot-Spektroskopie die Bodenfruchtbarkeit bestimmen? [Is near-infrared spectroscopy capable to determine soil fertility?] Paper at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Thomsen, I.K.; Schjønning, P.; Jensen, B.; Kristensen, K. and Christensen, B.T. (1999) Turnover of organic matter in differently textured soils: II. Microbial activity as influenced by soil water regimes. Geoderma, 89 (3-4), pp. 199-218.

Thorup-Kristensen, Kristian (2005) Kapitel 1: Grøngødning og efterafgrøder, Kapitel 2: Grøngødningens biologi, og Kapitel 3: Grøngødningens virkninger. In: Bjerg, Anna-Christa (Ed.) Grøngødning, efterafgrøder og dækafgrøder. Landbrugsforlaget, chapter 1-2-3, pp. 1-37.

Thorup-Kristensen, Kristian; Magid, Jacob and Jensen, Lars Stoumann (2003) Catch crops and green manures as biological tools in nitrogen management in temperate zones. Elsevier, .

TILMAN-ORG, Partnership (2013) Gereduceerde bodembewerking en groenbemesters. Integreren van gereduceerde bodembewerking en groenbemesters voor duurzame biologische teeltsystemen. .

Timmermans, B.G.H. and Eekeren, N. van (2014) Organic farmers grow grassclover in nature areas to remove soil phosphate for development of specious rich grasslands. In: Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 799-802.

Timmermans, B.G.H. and Hospers - Brands, Monique (2014) Soil and water salinization and the development of organic saline crops. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 3, Thuenen Report, no. 20, pp. 795-798.

Timmermans, B.G.H.; Sukkel, Wijnand and Bokhorst, J.G. (2012) Telen bij lage fosfaatniveaus in de biologische landbouw; achtergronden en literatuurstudie. [Grow at low phosphate levels in organic farming; backgrounds and literature study.] Louis Bolk Instituut Publication. Louis Bolk Instituut .

Tontti, Tiina and Lehtonen, Keijo (2002) Sustainable recycling of compost products in plant production. Forskningsnytt om økologisk landbruk i Norden (2), p. 10.

Treisch, Melanie and Brandhuber, Robert (2014) Wertzahlen der Bodenschätzung von konventionell und ökologisch bewirtschafteten Flächen in Bayern. In: Wiesinger, Klaus; Cais, Kathrin and Obermaier, Sabine (Eds.) Angewandte Forschung und Beratung für den ökologischen Landbau in Bayern, Bayerische Landesanstalt für Landwirtschaft, D-Freising, Schriftenreihe der LfL, no. 2, pp. 169-173.

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Urbatzka, Peer; Cais, Kathrin; Rehm, Anna and Rippel, Rudolf (2011) Status-Quo-Analyse von Dauerversuchen: Bestimmung des Forschungsbedarfes für den ökologischen Landbau. [Status-Quo-Analysis from long-term field experiments: determination of research requirements for organic farming.] Bayerische Landesanstalt für Landwirtschaft (LfL), Institut für Agrarökologie, Ökologischen Landbau und Bodenschutz.

Usman, Suleiman (2012) Properties and functions of organic materials in poor agricultural soil condition. . [Completed]

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Valarini, Pedro José ; Schlickmann, Sônia; Oliveira, Fernanda R. de and Ishikawa, Salete (2007) Influência das práticas de manejo orgânico e convencional na qualidade do solo em produção familiar de hortaliças. [Influence of organic and convencional management on soil quality in familiar vegetable production.] Revista Brasileira de Agroecologia, 2 (2), pp. 257-260.

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 der Burgt, Ir. G.J.H.M.; Timmermans, Dr. B.G.H. and Staps, Ing. J.J.M. (2008) Dutch (organic) agriculture, carbon sequestration and energy production. Paper at: Ecomit, 5th international scientific conference on sustainable farming systems, Piestany, Slovakia, 5-7 November 2008.

van der Burgt, Geert-Jan; Timmermans, Bart and Staps, S. (2012) Minder en Anders Bemesten; resultaten van een vierjarig project over innovatieve bemesting. [Less and adapted fertilizers: results of a 4-year project on innovative fertilizer strategies.] Louis Bolk Instituut, 2011.

van der Heijden, Marcel; Wagg, Cameron; Lukasiewicz, Kasia and Olbrecht, Luise (2013) Bedeutung von Mykorrhiza-Pilzen für Rotklee-Gras-Mischungen. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

van Diepeningen, Anne D.; Blok, Wim; Korthals, Gerhard W. and van Bruggen, Ariena H.C. (2005) Soil heath: a comparison between organically and conventionally managed arable soils in the netherlands. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

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Van Gils, Bert; Willekens, Koen; Beeckman, Annelies and Delanote, Lieven (2013) Onderzoek naar niet-kerende bodembewerking en groenbemesters: resultaten veldproeven 2012. BIOpraktijk, 1 February 2013, pp. 1-3.

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van Opheusden, A.H.M.; van der Burgt, G.J.H.M. and Rietberg, P.I. (2012) Decomposition rate of organic fertilizers: effect on yield, nitrogen availability and nitrogen stock in the soil. [Afbraaksnelheid van organische mest: effect op opbrengst, stikstofbeschikbaarheid en stikstof voorraad in de grond.] Louis Bolk Instituut, Driebergen, The Netherlands.

Védie, Hélène and Romet, Lionel (2006) Diagnostic et évolution de la fertilité du sol : comparaison de différentesméthodes d'analyse : compte-rendu 2005. [Diagnosis and evolution of soil fertility : comparison of different methods of analysis : annual report 2005.] Groupe de Recherche en Agriculture Biologique.

Védie, Hélène and Taulet, Annick (2006) Engrais verts en interculture d’automne-hiver en plein champ - rapport final 2005. [Test of different green manures as winter intercrops in open field - annual report 2005.] Groupe de Recherche en Agriculture Biologique.

Vedie, Hélène; Berry, Dominique; Leclerc, Blaise; Grébert, David and Lhôte, Jean-Michel (2008) A new approach to soil tillage for organic vegetable production: permanent beds. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Vestberg, Mauritz; Kukkonen, Sanna; Saari, Kaisa; Uosukainen, Marjatta; Palojärvi, Ansa; Tuovinen, Tuomo; Vepsäläinen, Milja and Niemi, Maarit (2002) Cropping system impact on soil quality determinants. Agricultural and Food Science in Finland, 11 (4), pp. 311-328.

VIAN, Ph D Jean François; PEIGNE, Dr Joséphine; CHAUSSOD, Dr Rémi; DAVID, Dr Christophe and ROGER-ESTRADE, Pr Jean (2006) Spatial variability of microbial indicators and assessment of tillage systems on the soil microbiological functioning on organic farming. Poster at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

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, F.P.; Hansen, E.M. and Olesen, J.E. (2003) Grass-clover and catch crops - How does grass-clover and catch crops affect crop performance and soil microbiology in unfertilised organic crop rotations? DARCOFenews, September 2003, 3.

Vinther, F.P.; Hansen, E.M. and Olesen, J.E. (2002) Relationship between crop rotation and microbial biomass and activity including field CO2 and N2O fluxes and N mineralization. In: Abstracts of NJF seminar no: 342 "Agricultural soils and greenhouse gasses in cool-temperate climate", p. 12.

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Wang, Yaosheng; Andersen, Sven Bode; Thorup-Kristensen, Kristian; Jensen, Lars Stoumann and Magid, Jakob (2014) Low-P solution culture may assist screening of root growth vigor in soil for high nutrient uptake of spring wheat varieties. Soil Science and Plant Nutrition. [Submitted]

Wang, Yaosheng; Thorup-Kristensen, Kristian; Jensen, Lars Stoumann and Magid, Jakob (2014) Genetisk variation af rødder og rodhår mellem sorter af vårhvede. ICROFS nyt, 2014 (2), pp. 1-3.

Wang, Yaosheng; Thorup-Kristensen, Kristian; Jensen, Lars Stoumann and Magid, Jakob (2014) Root growth vigour is a better predictor than root hair traits of early nutrient uptake in spring wheat plants grown at low soil fertility. Plant and Soil. [Submitted]

Watson, C.A.; Atkinson, D.; Gosling, P.; Jackson, L.R. and Rayns, F.W. (2002) Managing soil fertility in organic farming systems. Soil Use and Management, 18, pp. 239-247.

Watson, C.A.; Bengtsson, H.; Ebbesvik, M.; Loes, A-K.; Myrbeck, A.; Salomon, E.; Schroder, J. and Stockdale, E.A. (2002) A review of farm-scale nutrient budgets for organic farms as a tool for management of soil fertility. Soil Use and Management, 18, pp. 264-273.

Watson, Christine; Stockdale, Elizabeth and Philipps, Lois (2008) Laboratory mineral soil analysis and soil mineral management in organic farming. Institute of Organic Training and Advice, Craven Arms, Shropshire, UK.

Weber, Marion and Emmerling, PD Dr. Christoph (2005) Zehn Jahre differenzierte Grundbodenbearbeitung im ökologischen Ackerbau (Projekt Ökologische Bodenbewirtschaftung) - Entwicklung der organischen Bodensubstanz, Nährstoffgehalte sowie bodenbiologischen Eigenschaften. [Long-term effects of reduced and conservation tillage in organic farming on soil organic matter and nutrient content, and soil biological properties.] In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Welc, Monika; Bünemann, Else K.; Fließbach, Andreas; Frossard, Emmanuel and Jansa, Jan (2012) Soil bacterial and fungal communities along a soil chronosequence assessed by fatty acid profiling. Soil Biology and Biochemistry, 49, pp. 184-192.

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.

Widmer, F.; Fliessbach, A.; Laczkó, E.; Schulze-Aurich, J. and Zeyer, J. (2001) Assessing soil biological characteristics: a comparison of bulk soil community DNA-, PLFA-, and Biolog-analyses. Soil Biology & Biochemistry (33), pp. 1029-1036.

Wießner, S.; Thiel, B.; Krämer, J. and Köpke, U. (2009) Hygienic quality of head lettuce: Effects of organic and mineral fertilizers. Food Control, 20, pp. 881-886.

Wild, Melanie; Demmel, Markus and Brandhuber, Robert (2009) Interdisziplinäres Forschungsvorhaben „Optimierung des Managements der Bodenfruchtbarkeit“ - Arbeitspaket Bodenverdichtung und Bodenbearbeitung. In: Wiesinger, Klaus and Cais, Kathrin (Eds.) Angewandte Forschung und Beratung für den ökologischen Landbau in Bayern, Bayerische Landesanstalt für Landwirtschaft , Freising-Weihenstephan, Schriftenreihe der Bayerischen Landesanstalt für Landwirtschaft (LfL), no. 7/2009, pp. 125-131.

Willekens, Koen; De Vliegher, Alex; Vandecasteele, Bart and Carlier, Lucien (2008) Effect of Compost versus Animal Manure Fertilization on Crop Development, Yield and Nitrogen Residue in the Organic Cultivation of Potatoes. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Willekens, Koen and Van Gils, Bert (2013) TILMAN-ORG veldproef 2012-2013 Design, parameters en meetmethoden. Poster at: [Completed]

Willekens, Koen and Van Gils, Bert (2012) TILMAN-ORG veldproef 2012-2013 Overzicht van de werkzaamheden 2012. Poster at: [Completed]

Willekens, Koen; Vandecasteele, Bart and De Vliegher, Alex (2014) SOIL QUALITY AND CROP PRODUCTIVITY AS AFFECTED BY DIFFERENT SOIL MANAGEMENT SYSTEMS IN ORGANIC AGRICULTURE "TILMAN-ORG Session". In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 1, Thuenen Report, no. 20, pp. 65-68.

Wolf, Daniel; Möller, Detlev; Schmidt, Harald; Lux, Guido and Schmidtke, Knut (2013) Wirtschaftlichkeit von Grünguthäcksel: Eine risikoorientierte Systembewertung. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

Wolf, Daniel; Möller, Detlev; Schmidt, Harald; Wild, Melanie and Demmel, Markus (2013) Monetäre Auswirkungen angepassten Reifeninnendrucks im Ackerbau unter besonderer Berücksichtigung der Erbsen. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

Woodward, Lawrence; Philipps, Lois; Wolfe, Martin; Jones, Hannah; Hinchsliffe, Kay; Hitchings, Roger; O'Brien, Josie and Deane, Tim (2005) Elm Farm Research Centre Bulletin with Technical Updates from the Organic Advisory Service 80. Elm Farm Research Centre.

Woolf, Dominic (2008) Biochar as a Soil Amendment: A Review of the Environmental Implications. Swansea University, School of the Environment and Society.

Wyss, Gabriela; Speiser, Bernhard; Thönen, Melanie and Stampfli, Natalie (2012) Résidus dans les cucurbitacées. FiBL-Merkblatt. Institut de recherche de l'agriculture biologique (FiBL) et Bio Suisse, CH-Frick et CH-Basel.

Wyss, Gabriela; Speiser, Bernhard; Thönen, Melanie and Stampfli, Natalie (2012) Rückstände in Kürbisgewächsen. FiBL-Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL) und Bio Suisse, CH-Frick und CH-Basel.

Z

Zanen, M.; Bokhorst, J.G. and Koopmans, C.J. (2008) Soil Fertility and Biodiversity effects from Organic Amendments in Organic Farming. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Zanen, Ir. M. and Koopmans, Dr. Ir. C.J. (2008) Improving Soil Structure and Nitrogen Use Efficiency by GPS-controlled Precision Tillage Technology in Organic Farming. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Zanen, Marleen and Koopmans, Chris (2005) Nitrogen efficiency in organic farming using a GPS precision farming technique. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

Zundel, Christine; Kilcher, Lukas and Mäder, Paul (2007) Was kann der biologische Landbau zur nachhaltigen Entwicklung im Süden beitragen? – Langfristige Systemvergleiche in den Tropen. [What can organic agriculture contribute to sustainable development? – Long-term farming system comparisons in the tropics.] Paper at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Ø

Østergård, H.; Finckh, M.R.; Fontaine, L.; Goldringer, I.; Hoad, S.P.; Kristensen, K.; Lammerts van Bueren, E.T.; Mascher, F.; Munk, L. and Wolfe, M.S. (2009) Time for a shift in crop production: embracing complexity through diversity at all levels. Journal of the Science of Food and Agriculture (J Sci Food Agric), doi: 10.1002/jsfa.5784, 89, pp. 1439-1445.

This list was generated on Mon Dec 22 04:50:01 2014 CET.