Items in the subject area " Crop husbandry > Weed management"

Book

Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie (Ed.) (2009) Kompendium des ökologischen Acker- und Pflanzenbaus. [Compendium for organic agronomy and crop production.] Sächsisches Landesamt fuer Umwelt, Landwirtschaft und Geologie (LFULG), D-Dresden.

Becker, Konstantin and Gengenbach, Heinz (2007) Das Anbauverfahren Weite Reihe. [The "wide row" cultivation method.] Fachinformationen - Ökologische Landwirtschaft und ökologischer Gartenbau, 1/2007. Landesbetrieb Landwirtschaft Hessen (LLH), DE-Kassel in Zusammenarbeit mit der Justus-Liebig-Universität Giessen (Professur für Organischen Landbau) und der Bundesanstalt für Landwirtschaft und Ernährung (BLE)..

Dierauer, Hansueli (2000) Abflammen. Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.

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

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

Haas, Guido (2003) Grundwasserschutz im Organischen Landbau: Untersaaten in Kartoffeln zur Minderung hoher Restnitratmengen im Boden. Schriftenreihe Institut für Organischen Landbau - Universität Bonn. Verlag Dr. Koester, Berlin.

Hermle, Martin; Schaller, Alfred; Thalmann, Hans and Dierauer, Hansueli (2006) Ampferregulierung - Vorbeugende Möglichkeiten ausschöpfen. Merkblätter, 1. FiBL, Bioland Beratung, KÖN und Bio Austria.

Kloepfer, Dr. Florian and Pain, Johannes (2003) Bodenbearbeitung und Beikrautregulierung im ökologischen Landbau. [Soil cultivation and weed controll for organic farming.] KTBL-Schrift 416. KTBL.

Petzold, Winfried and Kolbe, Hartmut (2002) Einführung neuer bodenangetriebener und zapfwellengetriebener Hackgeräte in die Praxis - Leistungsvergleich mit herkömmlicher Pflegetechnik auf ökologisch wirtschaftenden Betrieben. [Introducing novel groundp.t.o.-driven and p.t.o.-driven mechanical hoes into practice - performance compared to traditional cultivation technology on organic farms.] Schriftenreihe des Bundesministeriums für Verbraucherschutz, Ernährung und Landwirtschaft, Reihe A: Angewandte Wissenschaft, Heft 492. Landwirtschaftsverlag GmbH, Münster-Hiltrup.

Book chapter

Ascard, J.; Hatcher, P.E.; Melander, B. and Upadhyaya, M.K. (2007) Thermal Weed Control. In: Upadhyaya, M.K. and Blackshaw, R.E. (Eds.) CAB International 2007. Non-chemical Weed Management, CAB International, chapter 10, pp. 155-175. ^**

Davies, D.H.K. and Welsh, J.P. (2002) Weed control in organic cereals and pulses. In: Younie, D.; Taylor, B.R.; Welch, J.M. and Wilkinson, J.M. (Eds.) Organic cereals and pulses. Papers presented at conferences held at the Heriot-Watt University, Edinburgh, and at Cranfield University Silsoe Campus, Bedfordshire, 6 and 9 November 2001, Chalcombe Publications, chapter 5, pp. 77-114.

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?, Gads Forlag, chapter 2, pp. 21-31.

Lukashyk, P. and Köpke, U. (2005) Combination of different methods for direct control of vicia hirsuta in winter wheat. In: Köpke, Ulrich; Niggli, Urs; Neuhoff, Daniel; Cornish, Peter; Lockeretz, Willie and Willer, Helga (Eds.) Researching Sustainable Systems. Proceedings of the First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), Research Institute of Organic Agriculture FiBL, CH-Frick, and International Society of Organic Agriculture Research (ISOFAR), c/o Institute of Organic Agriculture IOL, DE-University of Bonn, pp. 119-122.

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

Melander, Bo; Rasmussen, Ilse A.; Host, Niels and Bertelsen, Inger (2004) Ikke-kemisk ukrudtsbekæmpelse - mekanisk og termisk. In: Madsen, Kathrine H. (Ed.) Ukrudtsbogen, Danmarks JordbrugsForskning, chapter 4, pp. 207-226. ^**

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

Oesau, Albert (2002) Vegetationskundliche Untersuchungen im Projekt "Ökologische Bodenbewirtschaftung" in Wörrstadt-Rommersheim 1995-2004: Zwischenbericht 2000. In: Bodenbearbeitung und Bodengesundheit: Zwischenergebnisse im Projekt Ökologische Bodenbewirtschaftung in Wörrstadt-Rommersheim (Rheinhessen, Rheinland-Pfalz), Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz und Stiftung Ökologie und Landbau, Bad Dürkheim, pp. 47-56.

Rasmussen, Ilse A. (2004) Weed management in organic cropping systems. In: Goodman, Robert M. (Ed.) Encyclopedia of Plant and Crop Science, Marcel Dekker Inc., pp. 1-4.

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (2006) The Danish organic crop rotation experiment for cereal production 1997-2004. In: Raupp, J.; Pekrun, C.; Oltmanns, M. and Köpke, U. (Eds.) Long-term Field Experiments in Organic Farming, Verlag Dr. Köster, pp. 117-134.

Rasmussen, Ilse Ankjær; Holst, Niels; Graglia, Enrico; Hansen, Preben Klarskov; Melander, Bo; Mathiassen, Solvejg Kopp; Kudsk, Per; Jensen, Peter; Boelt, Birte and Madsen, Katrine Hauge (2004) Ukrudtsøkologi og -biologi. In: Ukrudtsbogen, Danmarks JordbrugsForskning, chapter 2, pp. 19-42.

Schmid, Andi; Weibel, Franco; Allemann, Pius and Santini, Dino (2004) Sandwich-System - die Sache wird konkret. [The FiBL Sandwich System.] In: Häseli, Andreas (Ed.) Tagungsband zur FiBL Bioobstbautagung 28.01.2004 in Frick, Forschungsinstitut für biologischen Landbau, Frick, pp. 41-42.

van Elsen, T.; Köpke, U.; Pallutt, B. and Jüttersonke, B. (2006) Maßnahmen zur Unkrautregulierung. In: Kühne, S.; Burth, U. and Marx, P. (Eds.) Biologischer Pflanzenschutz im Freiland. Pflanzengesundheit im Ökologischen Landbau, Ulmer, Stuttgart, pp. 17-40.

Conference paper, poster, etc.

Ackermann, Kerstin and Saucke, Dr. Helmut (2005) Einfluss des Gemengepartners Leindotter (Camelina sativa L.) auf Beikrautbesatz, Schädlingsbefall und Ertrag in Körnererbsen. [Effect of the companion crop linseed dodder (Camelina sativa L.) on weed development, pest incidence and yield in grain peas.] 8. Wissenschaftstagung Ökologischer Landabau - Ende der Nische, Kassel, 1.3.2005 - 4.3.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Altieri, Dr Miguel; Lovato, Dr. Paulo; Lana, Mr Marcos and Bittencourt, Mr Henrique (2008) Testing and scaling-up agroecologically based organic conservation tillage systems for family farmers in southern Brazil. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Armengot, Laura; José María, Laura; Chamorro, Dr. Lourdes; Romero, Albert and Sans, Dr. F. Xavier (2008) The effect of Avena sterilis L. invasion on weed abundance and diversity in conventional and organic cereal fields in the Mediterranean region. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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

Åstrand, Björn (2005) Robust och kostnadseffektiv automatisering av mekanisk ogräsrensning för ekologisk odling av socker. [Robust and cost-effective automation of mechanical weed control for the cultivation of organic grown sugar beets.] Att navigera i en ny tid. Ekologiskt lantbruk., Ultuna, Uppsala, Sweden, 22-23 November 2005. In: Ekologiskt lantbruk konferens 22-23 november 2005. Ultuna, Uppsala. Sammanfattningar av föredrag och postrar. SLU. Centrum för uthålligt lantbruk., Federativ tryckeri AB, p. 329.

Atanassova, D. and Koteva, V. (2005) Verunkrautung in einer ökologischen Fruchtfolge. [Weed infestation in an ecological crop rotation system.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Ball, Dr Bruce C (2006) Mechanical weeding effects on soil structure under organic vegetables. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

BARBERI, PROF. P.; BIGONGIALI, DR. F.; ANTICHI, DR. D.; CARLESI, DR. S.; FONTANELLI, DR. M.; FRASCONI, DR. C. and LULLI, DR. L. (2008) Innovative crop and weed management strategies for organic spinach: crop yield and weed suppression. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Becker, Konstantin and Leithold, Günter (2007) Das Anbaukonzept Weite Reihe bei verschiedenen Druschkulturen unter Berücksichtung des Vorfruchtwertes. Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Belde, Maren (2003) Einfache Modelle zur Vorhersage der Entwicklung der Ackerwildpflanzen im Ökologischen Landbau. [Simple models for predicting the development of arable weeds in organic farming systems.] 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur, Wien - Institut für ökologischen Landbau, 24. - 26.02.2003. In: Freyer, Bernhard (Ed.) Ökologischer Landbau der Zukunft: Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, pp. 117-119.

Bellostas, Natalia; Kudsk, Per; Sorensen, Jens Christian and Sorensen, Hilmer (2006) Glucosinolate hydrolysis products for weed control. Joint Organic Congress, Odense, Denmark, 30-31 May 2006. In: Proceedings of the Joint Organic Congress.

Bellostas, Natalia; Nielsen Kudsk, Per; Sørensen, Jens C. and Sørensen, Hilmer (2006) Glucosinolate hydrolysis compounds for weed control. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Berner, Alfred; Frei, Robert; Dierauer, Hans-Ulrich; Vogelgsang, Susanne and Mäder, Paul (2005) EFFECTS OF REDUCED TILLAGE, FERTILISATION AND BIODYNAMIC PREPARATIONS ON CROP YIELD, WEED INFESTATION AND THE OCCURRENCE OF TOXIGENIC FUSARIA. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Bilalis, Ass. Prof. D.; Konstantas, MSc A.; Efthimiadou, MSc A.; Papatheohari, Dr Y and Kakampouki, MSc I. (2008) Effect of two Oat–legumes intercrop systems on weed flora under Mediterranean conditions. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Bo Melander, Scientist; Torben Heisel, Scientist and Martin Heide Jørgensen, Scientist (2002) Aspects of steaming the soil to reduce weed seedling emergence. 12th EWRS Symposium 2002, Papendal, Arnhem, The Netherlands, 24-27 June 2002. In: Proceedings of the 12th EWRS Symposium 2002, pp. 236-237.

Böhm, Herwart and Verschwele, Arnd (2004) Ampfer- und Distelbekämpfung im Ökologischen Landbau. [Control of Rumex spp. and Cirsium arvense in organic farming.] Statusseminar Ressortforschung für den ökologischen Landbau 2004, Klein Machnow, 5. März 2004. In: Rahmann, Gerold and Kühne, Stefan (Eds.) Ressortforschung für den Ökologischen Landbau 2004, Bundesforschungsanstalt für Landwirtschaft (FAL), pp. 39-48.

Cagas, Bohumir and Machac, Radek (2002) The effect of grasses grown for seed in mixture with legumes on the incidence of weeds and soil nitrogen content. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 53-54.

Casagrande, Marion; David, Christophe; Valentin Morison, Muriel and Jeuffroy, Marie-Hélène (2007) Indicators of weed competition on Organic Winter Wheat. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Cici, S.-Z.-H.; Kristiansen, P. and Sindel, B.M. (2005) Improving competitive ability of chickpea with sowthistle. 15th Australian Weeds Conference Papers and Proceedings. Managing Weeds in a Changing Climate, Adelaide Convention Centre, Adelaide, South Australia, 24-28 September 2006.

Clarke, Dr S.M.; Jones, Dr. H; Haigh, Miss Z; Boyd, Miss H and Wolfe, Prof. M.S. (2008) Effects of husked oat varieties, variety mixtures and populations on disease levels, crop cover and their resulting yields. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Cormack, W F (2006) Constraints to the sustainability of a stockless arable rotation. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. [ Unpublished, ]

Cormack, William F (2002) Effect of mowing a legume fertility-building crop on shoot numbers of creeping thistle (Cirsium arvense (L.) Scop.). UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 225-226.

Davies, D H Ken; Hoad, Steve and Boyd, Laura (2002) WECOF: A new project developing enhanced weed control through improved crop and plant architecture. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 299-302.

Davies, G; Turner, R; Bond, B and Gibbon, D (2006) Knowledge development for organic systems: An example of weed management. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. 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. 107-110.

Dibet, Audrey; Hauggaard-Nielsen, Henrik; Kasyanova, Elena; Ruske, Rachel; Gooding, Mike; Pristeri, Aurelio; Monti, Michele; Dahlmann, Christoph; von Fragstein, Peter; Ambus, Per; Jensen, Erik and Crozat, Yves (2006) Pea-barley intercropping for the control of weeds in European organic cropping systems. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Donnelly, Eric; Robertson, Jamie and Robinson, David (2002) Potential and historical Uses for bracken (Pteridium aquilinum (L.) Kuhn) in organic agriculture. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 255-256.

Drews, Sylvia; Juroszek, Peter; Neuhoff, Daniel and Köpke, Ulrich (2003) Konkurrenzkraft verschiedener Weizensorten unter dem Einfluss von Reihenabstand und Drillrichtung. [Competitiveness of winter wheat cultivars against weeds affected by row width and drilling direction.] 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur, Wien - Institut für ökologischen Landbau, 24.-26.02.2003. In: Freyer, Bernhard (Ed.) Ökologischer Landbau der Zukunft - Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, pp. 105-109.

Elers, Barbara (2001) Einfluß der Sorte und Bestandesdichte auf Ertrag und Unkrautbesatz bei Futtererbsen. [Influence of variety and plant density of peas on yield and weed growth.] 6. Wissenschaftstagung zum Ökologischen Landbau - Von Leit-Bildern zu Leit-Linien, Freising-Weihenstephan, 06.-08.03.2001. In: Reents, Hans Jürgen (Ed.) Von Leit-Bildern zu Leit-Linien: Beiträge zur 6. Wissenschaftstagung zum Ökologischen Landbau, Freising, Verlag Dr. Köster, Berlin.

Finze, Jana and Böhm, Herwart (2003) Strategien zur Ampferbekämpfung im Grünland. [Strategies of dock control in grassland.] 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Wien, 24.-26.2.2003. In: Freyer, Bernhard (Ed.) Ökologischer Landbau der Zukunft - Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, Universität für Bodenkultur Wien - Institut für ökologischen Landbau, pp. 603-604.

Finze, Jana and Böhm, Herwart (2003) Strategien zur Ampferbekämpfung im Grünland unter den Bedingungen des ökologischen Landbaus. 47. Jahrestagung der Arbeitsgemeinschaft Grünland und Futterbau in der Gesellschaft für Pflanzenbauwissenschaften e.V., D-Braunschweig, 28. bis 30. August 2003. In: Beiträge der 47. Jahrestagung der AGGF, Wissenschaftlicher Fachverlag Dr. Fleck, D-Gießen, pp. 137-140.

Fogelfors, Håkan; Brandsætter, Lars Olav; Graglia, Scientist Enrico; Vanhala, Petri; Salonen, Jukka and Håkansson, Sigurd (2003) Dormancy of vegetative reproduction in some perennial weeds. Nordic Association of Agricultural Scientists 22nd Congress, Turku, Finland, July 1-4. In: Niemeläinen, Oiva and Topi-Hulmi, Mari (Eds.) Nordic Agriculture in Global Perspective, Tampere University Print, Tampere Finland, p. 97.

FONTANELLI, DR. M.; FRASCONI, DR. C.; LULLI, DR. L.; ANTICHI, DR. D.; BIGONGIALI, DR. F.; CARLESI, DR. S.; BARBERI, PROF. P. and PERUZZI, PROF. A. (2008) Innovative crop and weed management strategies in organic spinach: machine performances and cultivation costs. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Gallandt, Eric and Molloy, Thomas (2008) Exploiting weed management benefits of cover crops requires pre-emption of seed rain. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Glemnitz, Michael; Radics, László and Mackensen, Kerstin (2007) Weed Management in Organic Farming in the New EU Member States and the Acceding Countries - Status Quo and Main Limitations. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Graglia, Enrico (2004) Erfaringer med tidselbekæmpelse på Flakkebjerg. Planteproduktion 2004, Herning, 13-14 January 2004. In: Månedmagasinet Mark, 1, pp. 57-58.

Graglia, Enrico and Melander, Bo (2005) Mechanical control of Cirsium arvense in organic farming. 13. European Weed Research Society Symposium, Bari, Italy, 20-23 June. [ In Press , 2005]

Graglia, Enrico; Melander, Bo; Grøndal, Henrik and Jensen, Rikke K. (2004) Effect of repeated hoeing on growth of Cirsium arvense. XII International Conference on Weed Biology, Dijon, France, 30 August - 2 September 2004. In: XII International Conference on Weed Biology, pp. 107-112.

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

Griepentrog, Hans W. and Nørremark, Michael (2002) Positionering af frø og afgrøderækker med RTK-GPS. [Referencing of crop plants and rows by RTK-GPS.] Teknik i Landbruget, SCC Aarhus, Denmark, 21-22 March, 2002. In: Proceedings, Landbruget Rådgivningscenter, Skejby, pp. 51-52.

Griepentrog, Hans W.; Nørremark, Michael; Nielsen, Henning and Blackmore, Simon (2003) Individual plant care in cropping systems. 4th European Conference on Precision Agriculture, Berlin, Germany, July 2003.

Grundy, A.C.; Peters, N.C.B.; Rasmussen, I.A.; Hartmann, K.A.; Sattin, M.; Andersson, L.; Mead, A.; Murdoch, A.J. and Forcella, F. (2002) Emergence of Chenopodium album and Stellaria media under different climatic conditions. 12th EWRS (European Weed Research Society) Symposium, Papendal, Arnhem, the Netherlands, 24-27 June 2002. In: Bastiaans, L.; Baumann, D.T.; Christensen, S.; Hatcher, P.E.; Kudsk, P.; Grundy, A.C.; Marshall, E.J.P.; Streibig, J.C. and Tei, F. (Eds.) Proceedings: 12th EWRS Symposium, EWRS Bookstore, Postbus 28, NL-6865 ZG Doorwerth, The Netherlands, pp. 264-265. ^**

Grundy, Andrea C and Turner, Rebecca J (2002) Horticultural weed control in organic systems – a modelling approach. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 295-298.

Grøndal, Henrik; Graglia, Enrico and Jensen, Rikke K. (2003) Har Ager-Svinemælk og Ager-Tidsel skudhvile? Dansk Plantværnskonference. In: DJF rapport - Markbrug (89), pp. 357-358.

Gundersen, Hanne; Rasmussen, Jesper and Nørremark, Michael (2006) TOLERANCE OF CEREALS TO POST- EMERGENCE WEED HARROWING. THIRD INTERNATIONAL CONFERENCE ON NON CHEMICAL CROP PROTECTION METHODS, Lille, France, 13-15 March 2006. In: Proceedings from AFPP (on CD-rom), Association française de protection des plantes (AFPP).

Häberle, Annette; Pekrun, Carola; Claupein, Wilhelm; Köhler, Stefan; Stahr, Karl and Römheld, Volker (2003) Untersuchungen zur Wirkung einer einmalig variierten Bodenbearbeitung auf Ertragsbildung, Verunkrautung und Nitratauswaschung unter den Produktionsbedingungen des Ökologischen Landbaus. [Studies on short-time effects of tillage on yields, weeds and nitrate leaching in organic farming.] 46. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Gießen, 2003. In: Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Günter Heimbach, Stuttgart, 14, pp. 286-287.

Häberle, Annette; Pekrun, Carola; Claupein, Wilhelm; Prade, Christoph; Thierfelder, Christian and Stahr, Karl (2004) Untersuchungen zu den Auswirkungen im ersten und zweiten Folgejahr nach einer einmalig variierten Bodenbearbeitung auf Ertragsbildung, Verunkrautung und Nitratauswaschung unter ökologischen Produktionsbedingungen. [Studies of varied tillage in one year on yields, weeds and nitrate leaching in the two consecutive years in organic farming.] 47. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Braunschweig, 2004. In: Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Günter Heimbach, Stuttgart, 16, pp. 69-70.

Haigh, Z. E. L.; Baddeley, J. A.; Boyd, H. E.; Clarke, S.; Jones, H.; Rees, R. M. and Wolfe, M. S. (2008) Organic winter wheat: optimising planting. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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

Hänsel, Martin (2007) Anbau von Erbsen, Sommerweizen und -gerste in Reinsaaten und in Gemengen. [Cultivation of Peas, Spring Wheat and Spring Barley Sole and Intercropped.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Hansen, Preben Klarskov (2005) Suggested outline of the thesis "Crop-Weed interactions determined by sensor techniques"(COMSENS). Midtterm Seminar, KVL, 25. October 2005.

Hansen, Preben Klarskov (2005) Tolerance to weed harrowing in spring barley genotypes. 13th European Weed Research Society (EWRS) Symposium, Bari, Italy, 20-23 June 2005. In: Proceedings from the 13th European Weed Research Society (EWRS) Symposium, CD-ROM.

Hansen, Preben Klarskov; Kristensen, Kristian and Willas, Jakob (2006) Forskellige sorters konkurrenceevne overfor ukrudt. [Competitiveness in different varieties against weeds.] 3. Danske Plantekongres, Herrning, 10.-11. Januar 2006. In: Sammendrag af indlæg 3. Danske Plantekongres. Herrning 10.-11. Januar 2006, Danmarks JordbrugsForskning & Landcentret, pp. 342-343.

Hansen, Preben Klarskov and Rasmussen, Ilse A (2005) Sorters vekselvirkning med miljøet, betydning af mekanisk ukrudtsbekæmpelse. [Genotype*Environment interaction, importance of mechanical weed control.] BAR-OF netværksmøde, Forskningscenter Risø, 14. december 2005.

Hartl, W.; Berger, S.; Birschitzky, J.; Bistrich, H.; Bürstmayr, H.; Diethart, I.; Flamm, C.; Fleck, A.; Friedel, J.; Fuchs, F.; Girsch, L.; Grausgruber, H.; Gollner, M.; Hofer, M.; Hrbek, R.; Jakupaj, S.; Huber, K.; Kinastberger, A.; Lafferty, J.; Leonhardt, C.; Löschenberger, F.; Luftensteiner, H.; Mechtler, K.; Oberforster, M.; Petrasek, R.; Ratzenböck, A.; Schulmeister, K.; Schweiger, P.; Vollmann, J.; Weinhappel, M.; Winkler, J. and Zechner, E. (2009) Österreichisches Projekt Grundlagen zur Züchtung, Vermehrung und Sorten-/Saatgutprüfung für den Biolandbau: Ergebnisübersicht. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Hatcher, Scientist Paul and Melander, Scientist Bo (2004) Combining physical and cultural weed control with biological methods – prospects for integrated non-chemical weed management strategies. 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, 8-10 March. In: Proceedings of the 6th EWRS on Physical and Cultural Weed Control, p. 30.

Hiltbrunner, J.; Liedgens, M.; Stamp, P. and Streit, B. (2005) Einfluss von lebenden Mulchen auf die Begleitflora und die Weizenerträge unter Bedingungen des Ökolandbau. [Impact of living mulches on weeds and yield of winter wheat in organic farming.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Hiltbrunner, Jürg; Herzog, Christine; Hunziker, Hans-Ruedi and Scherrer, Caroline (2009) Mechanische Unkrautregulierung in der Saatreihe von Soja. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Holst, N.; Rasmussen, I.A. and Bastiaans, L. (2005) Field weed population models: a review of approaches and application domains. 13th EWRS (European Weed Research Society) Symposium, Bari, Italy, 19.-23. June 2005. In: Bàrberi, P.; Bastiaans, L.; Christensen, S.; Fernandez-Quintanilla, C.; Froud-Williams, B.; Grundy, A.; Hatcher, P.; Kudsk, P.; Marshall, J.; Melander, B.; Quadranti, M.; Tei, F.; Thompson, A. and Vurro, M. (Eds.) Proceedings of the 13th EWRS Symposium, Bari, Italy, 19-23 June 2005, European Weed Research Society (EWRS), pp. 1-2. ^**

Hunger, Stefan; Pekrun, Carola and Claupein, Wilhelm (2001) Der Stoppelhobel – eine Alternative zu herkömmlichen Geräten der Stoppelbearbeitung im Ökologischen Landbau? [The shallow plough - an alternative to usual machinery for stubble tillage in organic farming?] 6. Wissenschaftstagung zum Ökologischen Landbau, Weihenstephan, 2001. In: Reents, Hans-Jürgen (Ed.) Von Leit-Bildern zu Leit-Linien: Beiträge zur 6. Wissenschaftstagung zum Ökologischen Landbau, Verlag Dr. Köster, Berlin, 357 -360.

Hunger, Stefan; Pekrun, Carola and Claupein, Wilhelm (2001) Unkrautbekämpfung durch Stoppel-bearbeitung – Ergebnisse aus zwei Jahren Praxisversuche im Ökologischen Landbau. [Weed management by stubble tillage - results of two years of on-farm experimentation in organic farming.] 44. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Bonn, 27.-29.9.2001. In: Gesellschaft für Pflanzenbauwissenschaften, (Ed.) 44. Jahrestagung (27.-29.09.) : Kurzfassungen der Vorträge und Poster, pp. 172-173.

Jalli, H. (2006) No-till cultivation suppresses broad-leaved weeds but favours grasses. Tillage systems for the benefit of agriculture and the environment : NJF seminar 378, Odense, Denmark, 29-31 May 2006. In: Book of abstracts, Nordic Association of Agricultural Scientists, 2 (4).

Jalli, Heikki; Laine, Antti and Känkänen, H. (2006) No-till cultivation suppresses broad-leaved weeds but favours grasses. Tillage systems for the benefit of agriculture and the environment : NJF seminar 378, Odense, Denmark, 29-31 May 2006. In: Extended abstracts, Nordic Association of Agricultural Scientists.

Jensen, Erik Steen; Hauggaard-Nielsen, Henrik; Kinane, Julia; Andersen, Mette Klindt and Jørnsgaard, Bjarne (2005) Intercropping – The practical application of diversity, competition, and facilitation in arable and organic cropping systems. First Scientific Conference of the International Society of Organic Agricultural Research (ISOFAR), Adelaide, Australia, 21-23 September 2005. In: Köpke, U.; Niggli, U.; Neuhoff, D.; Lockeretz, W. and Willer, H. (Eds.) Researching Sustainable Systems 2005. Proceedings of the First Scientific Conference of the International Society of Organic Agricultural Research (ISOFAR)., ISOFAR, Bonn, Germany, pp. 22-25.

Jørgensen, M.H.; Kristensen, E.F.; Kristensen, J.K. and Melander, B. (2004) Thermal Band Heating for Intra-Row Weed Control. AgEng2004 Engineering The Future, Leuven, Belgium, 12 - 16 September 2004. In: De Baerdemaaker, Josse (Ed.) AgEng 2004, Leuven, Belgium. Book of Abstracts, ISBN 90-76019-258. Paper on CD 287, 8 pp, Technological Institute, Belgium.

Kaar, B. and Freyer, B. (2008) Weed species diversity and cover-abundance in organic and conventional winter cereal fields and 15 years ago. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Kainz, M; Gerl, G; Lemnitzer, B; Bauchenß, J and Hülsbergen, K-J (2005) Wirkungen differenzierter Bodenbearbeitungssysteme im Dauerversuch Scheyern. [Effects of Different Tillage Systems in the Long-term Field Experiment Scheyern.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Kakriainen-Rouhiainen, S.; Väisänen, J.; Vanhala, P. and Lötjönen, T. (2004) Terminating ley with mid-summer bare fallow controls Elymus repens. 6th EWRS workshop on physical and cultural weed control, Lillehammer, Norway, 8-10 March 2004. In: Proceedings, European Weed Research Society, pp. 181-182.

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

Kakriainen-Rouhiainen, Sanna; Väisänen, Jaana; Vanhala, Petri and Lötjönen, Timo (2003) Mid-summer bare fallow effective in controlling perennial weeds. Nordic agriculture in global perspective: NJF's 22nd congress, Turku, Finland, July 1-4, 2003.

Kelderer, Markus; Casera, Claudio and Lardschneider, Ewald (2006) Was bringen die derzeit 'verfügbaren' Bioherbizide? [What can we expect from the commercially available bio-herbicides?] ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg/Germany, 31.1.-2.2.2006. In: Boos, Markus (Ed.) ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 31st January to 2nd February 2006 at Weinsberg/Germany, Fördergemeinschaft Ökologischer Obstbau e.V. (FÖKO), Traubenplatz 5, D-74189 Weinsberg, pp. 172-177.

Kivijärvi, Pirjo (2006) Weed management with different mulches under organic strawberry production. Pest, disease and weed management in strawberry - progress and challenges for the Nordic production : NJF seminar 389, Lepaa, Finland, 8-9 November 2006. In: NJF Report, Nordic Association of Agricultural Scientists, 2 (10), p. 35.

Kiær, Lars; Skovgaard, Ib and Østergård, Hanne (2006) Meta-analysis is a powerful tool to summarize variety mixture effects - exemplified by grain yield and weed suppression of spring barley. COST SUSVAR workshop, La Besse, France, 12-15 June 2006. In: Østergård, H. and Fontaine, L. (Eds.) Cereal crop diversity: Implicatons for production and products, ITAB, Paris, France, pp. 49-52. ^**

Kolbe, Dr. Hartmut and Heinig, Caterina (2006) Das Öko-Feld der Versuchsstation Roda (Sachsen). [The organic field of the experimental station of Roda (Saxony).] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Koller, Martin; Vieweger, Anja; Lüscher, Samuel and Lichtenhahn, Martin (2006) Ertrag und Qualität von ökologisch angebauten Zwiebeln in drei Anbausystemen (Direktsaat, Kultur über Steckzwiebeln bzw. Jungpflanzen) unter besonderer Berücksichtigung der Unkrautregulierung. 43. Gartenbauwissenachaftliche Tagung "Gartenbauwissen-schaf(f)t grüne Stadt, Potsdam, Germany, 22.02.-26.02.2006. In: Piontek, Eva and Gabbert, Andrea (Eds.) Tagungsband des Bundesverband der Hochschulabsolventen/Ingenieure Gartenbau und Landschaftsarchitektur e.V. und Deutsche Gartenbauwissenschaftliche Gesellschaft e.V., p. 189.

König, Dr. Hans-Peter and Koch, Dr. Heinz-Josef (2005) Strategien der Unkrautregulierung in Zuckerrüben - Ergebnisse aus Anbauvergleichen. [Strategies of weed control in sugar beet - results from on-farm trials.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Köpke, Prof. Ulrich and Schulte, Harald (2008) Direct Seeding of Faba Beans in Organic Agriculture. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Kristensen, E.F and Kristensen, J.K (2005) Intra-Row Weed Control by use of Band Steaming. 15th IFOAM Organic World Congrees, Adelade, Australia, 20-23 Sept. 2005. In: Sharping Sustainable System, CD Conference Proceedings.

Kristensen, Erik Fløjgaard; Jørgensen, Martin Heide and Kristensen, Jens Kristian (2005) Intra-Row Weed Control by use of Band Steaming. Organic Farming for a New Millenium, NJF-Siminar 369, Alnarp, Sweden. In: NJF Report, 1 (1), pp. 185-187.

Kristensen, Erik Fløjgaard; Kristensen, Jens Kristian and Melander, Bo (2006) Rækkedampning, effekter og økonomi. [Band steaming, effect and economy.] European Joint Organic Congress, Odense, Denmark, 30-31 May 2006. In: Økologi-kongres 2006 - Indblik og udsyn. Kongresbilag, pp. 74-75.

Kristiansen, Mr P; Sindel, Dr B and Jessop, Dr R (2003) Agronomic and economic evaluation of weed management methods in organic herb and vegetable production systems. Solutions for a Better Environment. 11th Australian Agronomy Conference, Deakin University, Geelong, Victoria, 2-6 February 2003. In: Proceedings of the 11th Australian Agronomy Conference, CD-ROM. Australian Society of Agronomy.

Kristiansen, P.; Sindel, B.M.; Jessop, R. and Cerrai, D. (2005) Brassica cover crops for weed control in organic vegetable production. Shaping Sustainable Systems. Proceedings of the 15th IFOAM Organic World Congress, Adelaide Australia, 20-23 September 2005.

Latsch, Dr. Roy and Sauter, Dr. Joachim (2009) Ergebnisse zur Ampferbekämpfung mittels Mikrowellentechnologie. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

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

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

Litterick, Audrey M; Watson, Christine A and Atkinson, David (2002) Crop protection in organic agriculture - a simple matter? UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 203-206.

Litterick, Audrey M; Watson, Christine A and Robson, Melissa C (2002) An investigation into the relationship between preceding break crops and weed populations in barley crops in organic ley/arable rotations. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 227-228.

Loges, Dr Ralf; Häussler, M. Sc Robert and Taube, Prof. Dr. Friedhelm (2009) Beitrag einer termingerecht durchgeführten Kainit-Düngung zur Beikrautregulierung in Winterweizen. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Lötjönen, T.; Vanhala, P.; Hurme, T. and Salonen, J. (2005) Sonchus arvensis - a challenge for organic farming. Organic farming for a new millenium - status and future challenges : NJF-seminar 369, Alnarp, Sweden, June 15-17, 2005. In: NJF Report, Nordic Association of Agricultural Scientists, 1 (1), pp. 189-192.

Lötjönen, Timo and Mikkola, Hannu (1997) Weed control with inter-row hoeing in cereals. NJF technia 97, technology of cost-efficient agricultural production : NJF seminar nr. 272, Pärnu, Estonia, 23.-25.10.1997.

Lötjönen, Timo and Vanhala, Petri (2003) Does mechanical weed control take effect on Sonchus arvensis? NJF's 22nd congress "Nordic agriculture in global perspective", Turku, Finland, July 1-4, 2003.

Lukashyk, P; Berg, B and Köpke, U (2005) Einsatz des Striegels zur Regulierung von Vicia hirsuta in Winterweizen. [Controlling Vicia hirsuta in winter wheat by using a tine - harrow.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Lukashyk, P; Berg, M and Köpke, U (2005) Kontrolle von Cirsium arvense durch Stoppelbearbeitung. [The effect of stubble tillage on Cirsium arvense.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Lukashyk, P.; Berg, M.; Juroszek, P. and Köpke, U. (2002) Direkte Kontrolle von Vicia hirsuta (L.) S.F. Gray in Wintergetreide. [Direct control of Vicia hirsuta (L.) S.F. Gray in winter grains.] 45. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Berlin, vom 26. bis 28. September 2002. In: Maidl, F.-X. and Diepenbrock, W. (Eds.) Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Freisinger Künstlerpresse W. Bode, 14, pp. 173-174.

Lukashyk, P.; Berg, M.; Juroszek, P. and Köpke, U. (2002) Direkte Kontrolle von Vicia hirsuta (L.) S.F. Gray in Wintergetreide. [Direct control of Vicia hirsuta (L.) S.F. Gray in winter grains.] 45. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Berlin, vom 26. bis 28. September 2002. In: Maidl, F.-X. and Diepenbrock, W. (Eds.) Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Freisinger Künstlerpresse W. Bode, 14, pp. 173-174.

Lukashyk, P.; Berg, M. and Köpke, U. (2006) Strategies for controlling Cirsium arvense in organic crop production. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Lukashyk, P.; Berg, M. and Köpke, U. (2003) Vicia hirsuta in Wintergetreide: Direkte Kontrolle bei starker Verunkrautung. [Vicia hirsuta in winter cereals: direct control at high weed infestation.] 7. Wissenschaftstagung zum Ökologischen Landbau, Wien, 24. - 26. Februar 2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Verlag: Universität für Bodenkultur Wien- Institut für Ökologischen Landbau, pp. 527-528.

Lundin, Gunnar (2005) Radmyllning och kombisådd av flytande gödselmedel i ekologisk spannmålsodling. [Band Fertilizing and Combinated Drilling of Liquid Fertilizer for Cereals in Organic Farming.] Organic Farming, Uppsala, Sweden, 22-23 November 2005. In: Ullvén, Karin and Alm, Jessica (Eds.) Ekologiskt Lantbruk Konferens, 22-23 november 2005, Ultuna, Uppsala, Centrum för uthålligt lantbruk, p. 305.

Mangerud, Kjell; Brandsæter, Lars Olav and Wærnhus, Kjell (2005) Ugrasharving i korn. [Weed harrowing in cereal crops.] Plantemøtet Østlandet 2005 (The Crop Research Conference in Eastern Norway 2005), Sarpsborg, Norway, February 9-10, 2005. In: Heiberg, Nina; Sundheim, Leif and Munthe, Kari (Eds.) Grønn kunnskap, Planteforsk, Ås, Norway, 9 (2), pp. 375-382.

Marshall, Athole H and Humphreys, Mervyn O (2002) Challenges in organic forage seed production. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 95-96.

Melander, Bo (2006) Current achievements and future directions of physical weed control in Europe. AFPP 3rd International conference on non-chemical crop protection methods, Lille, France, 13, 14 and 15 March 2006. ^**

Melander, B. (2007) Status on physical and cultural weed control methods for field crops in Europe. Novel and Sustainable Weed Management in Arid and Semi-Arid Ecosystems, Rehovet, Israel, October. ^**

Melander, Bo (2006) Current European weed control methods and strategies against annual and perennial weeds in organic farming. CHANNEL conference FOOD-CT-2004-003375, Budapest, Hungary, 4-7 April. ^**

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

Melander, Bo; Heisel, Torben and Jørgensen, Martin Heide (2002) Band-steaming for intra-row weed control. 5th Workshop of the EWRS Working Group: Physical and Cultural Weed Control, Pisa, Italy, 11 – 13 March 2002.

Melander, Bo; Nørremark, Michael and Fløjgaard, Erik (2008) Exposure and destruction of Elymus repens rhizomes and Rumex crispus rootstocks. EWRS workshop. Perennial weeds - growing problem, Wageningen, The Netherlands, 10-12 November 2008. In: Perennial Weeds - A growing problem, EWRS, Wageningen.

Melander, Bo; Rasmussen, Ilse A and Bertelsen, Inger (2005) Integration of Elymus repens control and post-harvest catch crop growing in organic cropping systems. 13th European Weed Research Society Symposium, Bari, Italy, 19 - 23 June 2005. [ In Press , 2005]

Melander, Bo and van der Weide, Rommie (2006) Emerging technologies for physical weed control in row crops in Euro. 46th Annual Meeting of the Weed Science Society of America (WSSA), New York, USA, 13-16 February 2006. ^**

Melander, Scientist Bo (2003) INTERGRATING PHYSICAL AND CULTURAL METHODS OF WEED CONTROL – EXAMPLES FROM EUROPEAN RESEARCH. North Central Weed Science Society’s annual meeting, December 2003, Lousville, USA, 1-4 December 2003. [ In Press , 2003]

Melander, Scientist Bo and Heisel, Scientist Torben (2002) Band-steaming for intra-row weed control. 5th Workshop of the EWRS Working Group: Physical and Cultural Weed Control, Pisa, Italy, 11 – 13 March 2002. In: Proceedings of the 5th Workshop of the EWRS Working Group: Physical and Cultural Weed Control, pp. 216-219.

Melander, Scientist Bo and Heisel, Scientist Torben (2002) Prospects and limitations for agricultural engineering in the development of sustainable weed control methods – examples from European research. Australian Conference on Agricultural Engineering, Charles Sturt University, Wagga Wagga, September 2002.

Melander, Scientist Bo; Heisel, Scientist Torben and Jørgensen, Scientist Martin Heide (2002) Stribedampning og andre teknologiske nyheder til bekæmpelse af ukrudt i økologiske grønsager. Den nasjonale kongress for økologisk landbruk 2002, Hamar, Norge, Februar 2002. In: Thomas Cottis, (Ed.) Den nasjonale kongress for økologisk landbruk 2002, Høgskolen i Hedmark, pp. 9-16.

Melander, Scientist Bo; Jørgensen, Scientist Martin Heide and Elsgaard, Scientist Lars (2004) Recent results in the development of band steaming for intra-row weed control. 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, 8-10 March. In: Abstracts 6th EWRS Workshop on Physical and Cultural Weed Control, p. 21.

Melander, Senior Scientist Bo (2003) The importance of crop competition in physical and cultural weed control strategies. Workshop of the EWRS working group: Crop-weed interactions, Viterbo, Italy, 10-12 April 2003. In: Proceeding of the workshop, p. 11.

Melander, Senior scientist Bo (2001) Danish research on physical weed control in bulb onion (Allium cepa L.) and leek (Allium porrum L.). EWRS Workshop on "Weed Mangement Systems in Vegetables", Zaragoza, Spain, 4-5 June.

Melander, Senior scientist Bo (2001) Radrensning med og uden ukrudtsharvning i vintersæd om foråret i samspil med forskellige dyrkningsfaktorer. [Row hoeing followed by weed harrowing in winter cereals in spring under the influence of different cropping factors.] 18. Danske Planteværnskonference, Marts.

Melander, Senior scientist Bo (2000) Mechanical weed control in transplanted sugar beet. 4th EWRS Workshop on Physical Weed Control Elspeet, the Netherlands, Elspeet, the Netherlands, March 20-22, 2000. In: Proceedings of the 4th EWRS Workshop on Physical Weed Control Elspeet, the Netherlands, p. 25.

Melander, Senior scientist Bo (1999) A 2-year cropping system for intra-row weed control in row crops. 11th EWRS (European Weed Research Society) Symposium 1999, Basel, Switzerland, 28 June - 1 July. In: Proceedings of the 11th EWRS (European Weed Research Society) Symposium 1999, p. 101.

Melander, Senior scientist Bo (1998) Anvendelse af falsk såbed, blindharvning og flammebehandling i højværdiafgrøder. [Pre-emergence weed control in crops of high value by means of a false seedbed techniques, weed harrowing, and flaming.] 15 Danske Planteværnskonference / Ukrudt, Marts.

Melander, Senior scientist Bo (1998) Economic Aspects of Physical Intra-Row Weed Control in Seeded Onions. 12th International IFOAM Scientific Conference. In: Foguelman, Dina and Lockeretz, Willie (Eds.) Proceedings og the 12th International IFOAM Scientific Conference, pp. 180-185.

Melander, Senior scientist Bo and Hartvig, Technician Peter (1995) Weed harrowing in seeded onions. 9th EWRS (European Weed Research Society) Symposium Budapest 1995, Budapest, Hungary, June 1995. In: Proceedings of the Symposia, pp. 543-549.

Melander, Senior scientist Bo and Jørgensen, Scientist Martin Heide (2003) Band steaming for intra-row weed control in direct-sown vegetables. EWRS working group workshop: "Weed Management Systems in Vegetable Crops", Skierniewice, Poland, 26-27 June 2003. In: Dobrzanski, Dr. Adam (Ed.) Abstracts, EWRS, Skierniewice, 2003, Research Institute of Vegetable Crops, Instytut Warzywnictwa, pp. 13-15.

Melander, Senior scientist Bo; Korsgaard, Konsulent Maren and Willumsen, Senior scientist Jens (1999) Resultater og erfaringer med ukrudtsbekæmpelse i økologiske frilandsgrønsager. [Results and experiences with weed control in organic outdoor vegetables.] 16 Danske Planteværnskonference / Ukrudt, Nyborg, Danmark, 4-5 marts.

Mercer, P C (2006) Growing oganic cereals in Northern Ireland - disease and weed problems. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. 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. 229-232.

Niggli, Urs and Dierauer, Hansueli (2000) Unkrautbekämpfung im ökologischen Landbau in der Schweiz. [Weed Management in Organic Agriculture in Switzerland.] Pflanzenschutz im Ökologischen Landbau - Probleme und Lösungsansätze - Drittes Fachgespräch "Unkrautregulierung im Ökologischen Landbau", Kleinmachnow, 02. November 1999. In: Pallutt, Bernhard (Ed.) "Unkrautregulierung im Ökologischen Landbau"; Berichte aus der Biologischen Bundesanstalt, Saphir Verlag, D-Ribbesbüttel, 72, pp. 17-26.

Nørremark, Michael and Griepentrog, Hans W. (2004) Analysis and Definition of the close-to-crop Area in Relation to Robotic Weeding. 6th Workshop of the EWRS Working Group 'Physical and Cultural Weed Control', Lillehammer, Norway, 8th March 2004.

Nørremark, Michael and Griepentrog, Hans W. (2003) A method for high accuracy geo-referencing of data from field operations. 4th European Conference on Precision Agriculture, Berlin, Germany, July 2003.

Olesen, Jørgen E.; Askegaard, Margrethe and Rasmussen, Ilse A. (2005) Learning from a long-term crop rotation experiment. Organic farming for a new millennium - status and future challenges, Alnarp, Sweden, 15-17 June 2005. In: NJF Report, Nordic Association of Agricultural Scientists (NJF), 1 (1), pp. 91-94.

Owen, D; LeBlanc, S and Fillmore, S A E (2006) Short-term effect of soil disturbance by mechanical weeding on plant available nutrients in an organic vs conventional rotations experiment. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. 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. 301-305.

P. Massucati, Dipl.-Ing.agr. Luiz F.; Windisch, Evi; Täufer, Frank and Köpke, Prof. Dr. Ulrich (2009) Kontrolle von Rumex spp. mit Citronella-Öl im Organischen Landbau. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Pallutt, Bernhard (2000) Unkrautunterdrückung und -bekämpfung durch Fruchtfolgegestaltung, Bodenbearbeitung, Aussaatzeit, Saatmenge und Stickstoffversorgung. [Weed suppression and weed control with crop rotation, soil cultivation, sowing time, sowing rate and nitrogen availability.] Pflanzenschutz im ökologischen Landbau - Probleme und Lösungsansätze. Drittes Fachgespräch: "Unkrautregulierung im ökologischen Landbau", Kleinmachnow, 02.11.1999. In: Pallutt, Bernhard (Ed.) Pflanzenschutz im Ökologischen Landbau - Probleme und Lösungsansätze - Drittes Fachgespräch am 02.11.1999 in Kleinmachnow - "Unkrautregulierung im ökologischen Landbau", Saphir Verlag, D-Ribbesbüttel, pp. 35-46.

Paulsen, H M; Schochow, M; Ulber, B; Kuhne, S and Rahmann, G (2006) Mixed cropping systems for control of weeds and pests in organic oilseed crops. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. 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. 215-219.

Paulsen, Hans Marten; Schochow, Martin; Ulber, B; Kühne, Stefan and Rahmann, Gerold (2006) Mixed cropping systems for biological control of weeds and pests in organic oilseed crops. COR 2006, Heriot-Watt University, Edinburgh, UK, 18-20 September 2006. In: Atkinson, Chris and Younie, David (Eds.) What will organic farming deliver?, AAB Office, Warwick, UK, pp. 215-220.

Pekrun, Carola and Claupein, Wilhelm (2005) Bedeutung der Stoppelbearbeitung für die Unkrautkontrolle im Ökologischen Landbau. [The implication of stubble tillage for weed control in Organic Farming.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005-04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Pekrun, Carola and Claupein, Wilhelm (2003) Unkrautmanagement durch Bodenbearbeitung und andere Maßnahmen indirekter Unkrautkontrolle im ökologischen Landbau. [Weed management by tillage and other indirect means of weed control in organic farming.] XXVII. Fortbildungskurs der Sächsischen Interessengemeinschaft Ökologischer Landbau, Bad Düben, 2003.

Pekrun, Carola and Claupein, Wilhelm (2001) Einfluß der Stoppelbearbeitung auf Ertagsbildung und Unkrautaufkommen unter den Produktionsbedingungen des Ökologischen Landbaus unter besonderer Berücksichtigung der Wirkung des Stoppelhobels. [The influence of stubble tillage on yields and weeds under the conditions of organic farming with special reference to shallow ploughing post harvest.] 6. Wissenschaftstagung zum Ökologischen Landbau, Weihenstephan, 2001. In: Reents, Hans Jürgen (Ed.) Von Leit-Bildern zu Leit-Linien: 6. Wissenschaftstagung zum Ökologischen Landbau, Verlag Dr. Köster, Berlin, pp. 203-206.

Pekrun, Carola; Hofrichter, Veit; Link, Johanna; Thymian, Frank; Thumm, Ulrich and Claupein, Wilhelm (2005) Beeinflussung der generativen Vermehrung von Rumex obtusifolius durch produktionstechnische Maßnahmen. [Influencing generative reproduction of Rumex obtusifolius by agronomic means.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005-04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Peruzzi, A.; Raffaelli, M.; Fontanelli, M.; Frasconi, C.; Ginanni, M. and Lulli, L. (2008) Physical Weed Control in Organic Carrot in Sicily (Italy). Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Peruzzi, A.; Raffaelli, M.; Fontanelli, M.; Frasconi, C.; Lulli, L. and Ginanni, M. (2008) Innovative Mechanization of Garlic in Vessalico (North Italy). Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Peruzzi, A.; Raffaelli, M.; Ginanni, M.; Lulli, L.; Frasconi, C. and Fontanelli, M. (2008) Innovative strategies for physical weed control on processing tomato in the Serchio Valley (Central Italy). Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Petersen, J. and Eskesen, K. (2002) Afgrøde og ukrudt konkurrerer om kvælstof. Åbent hus, Foulumgård, 13 june 2002. [ Unpublished, ] ^**

Petersen, Jens (2005) Kvælstofoptagelse i afgrøde og ukrudt ved placeret handels- og husdyrgødning. Plantekongres 2005. ^*

Petersen, Jens (2002) Konkurrence mellem afgrøde og ukrudt om tilført husdyrgødningskvælstof. 19. Danske Planteværnskonference 2002, Hotel Nyborg Strand, 5. marts 2002. In: DJF-rapport nr. 64 Markbrug, Danmarks JordbrugsForskning, pp. 119-127. ^**

Plagge, Jan (2000) Probleme der Unkrautbekämpfung im ökologischen Gartenbau aus der Sicht der Praxis. [Problems in weed management in organic horticulture from a practical point of view.] Pflanzenschutz im Ökologischen Landbau - Probleme und Lösungsansätze - Drittes Fachgespräch "Unkrautregulierung im Ökologischen Landbau", Kleinmachnow, 02. November 1999. In: Pallutt, Bernhard (Ed.) "Unkrautregulierung im Ökologischen Landbau"; Berichte aus der Biologischen Bundesanstalt, Saphir Verlag, D-Ribbesbüttel, 72, pp. 14-16.

Prins, U.; Eekeren, N. van and Oomen, G.J.M. (2006) Bi-cropping fodder maize in an existing (grass)clover sward. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Prins, U. and Wit, J. de (2006) Intercropping cereals and grain legumes: a farmer’s perspective. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2007) Perennial weed control and nitrogen leaching in long-term organic crop rotation experiments for cereal production. 7th EWRS workshop on Physical and Cultural Weed Control, Salem, Germany, 11-14 March 2007. In: Melander, B.; Cloutier, D. and Gerowitt, B. (Eds.) Proceedings 7th EWRS sorkshop on Physical and Cultural Weed Control, p. 133.

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2007) Perennial weeds in organic arable farming – challenges & dilemmas. NJF 23rd Congress 2007 Trends and Perspectives in Agriculture, Copenhagen, Denmark, 26-29 June 2007. In: Lund, M.; Larsen, T.U.; Thøgersen, J.O.; Christensen, S.; Børsting, C.; Plauborg, F.; Munkholm, L.J.; Olesen, J.E.; Callesen, O.; Askegaard, M.; Hansen, J.G. and Hvelplund, T. (Eds.) NJF Report, 3 (2), pp. 316-317.

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2005) Development of weeds in organic crop rotation experiments. 13th EWRS (European Weed Research Society) Symposium, Bari, Italy, 19.-23. June 2005. In: Bàrberi, P.; Bastiaans, L.; Christensen, S.; Fernandez-Quintanilla, C.; Froud-Williams, B.; Grundy, A.; Hatcher, P.; Kudsk, P.; Marshall, J.; Melander, B.; Quadranti, M.; Tei, F.; Thompson, A. and Vurro, M. (Eds.) Proceedings of the 13th EWRS Symposium, Bari, Italy, 19-23 June 2005, European Weed Research Society (EWRS), pp. 1-2.

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2005) Long-term organic crop rotation experiments for cereal production - perennial weed control and nitrogen leaching. First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR): Researching Sustainable Systems, Adelaide, South Australia, 21-23 September 2005. In: Köpke, U.; Niggli, U.; Neuhoff, D.; Cornish, P.; Lockeretz, W. and Willer, H. (Eds.) Researching Sustainable Systems: Proceedings of the First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), International Society of Organic Agriculture Research (ISOFAR), pp. 227-230.

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2005) Management of perennial weeds and nitrogen leaching in arable cropping systems. NJF Seminar 369: Organic Farming for a New Millenium - status and future challenges, Alnarp, Sweden, 15-17 June 2005. In: NJF Report, Nordic Association of Agricultural Scientists (NJF), 1 (1), pp. 153-156.

Rasmussen, I.A.; Bastiaans, L.; Holst, N.; Grundy, A. and Melander, B. (2007) 'All models are wrong - but some are useful' - a report from an EWRS workshop on modelling weed population dynamics. 14th EWRS Symposium, Hamar, Norway, 17-21 June 2007. In: Bàrberi, P.; Bastiaans, L; Bohren, C.; Christensen, S.; Gerowitt, B.; Grundy, A.; Hatcher, P.; Kudsk, P.; Melander, B.; Rubin, B.; Streibig, J.; Tei, F.; Thompson, A. and Vurro, M. (Eds.) 14th EWRS Symposium 17-21 June 2007 Hamar Norway, p. 116. ^**

Rasmussen, I.A.; Bastiaans, L.; Holst, N.; Grundy, A. and Melander, B. (2007) Report from an EWRS workshop on modelling weed population dynamics. 7th EWRS workshop on Physical and Cultural Weed Control, Salem, Germany, 11-14 March 2007. In: Melander, B.; Cloutier, D. and Gerowitt, B. (Eds.) Proceedings 7th EWRS workshop on Physical and Cultural Weed Control, p. 174. ^**

Rasmussen, I.A.; Holst, N.; Pedersen, L. and Rasmussen, K. (2002) Computer model for simulating the long-term dynamics of annual weeds under different cultivation practices. 5th EWRS Workshop on Physical and Cultural Weed Control, Pisa, Italy, 11.-13. March 2002. In: Barberi, P. and Cloutier, D. (Eds.) Proceedings of the 5th EWRS Workshop on Physical and Cultural Weed Control, pp. 6-13.

Rasmussen, Ilse A. (2006) Følfod og agertidsel. Temadag om Sædskifte og Rodukrudt, Den økologiske Landbrugsskole, Kalø, 23. november 2005.

Rasmussen, Ilse A. (2006) Perennial weeds in a crop rotation perspective. Ecological Agriculture course at KVL, Research Centre Flakkebjerg, 2 March 2006.

Rasmussen, Ilse A. (2006) Ukrudtsbekæmpelse i økologisk jordbrug. Beder Gartnerskole, Forskningscenter Flakkebjerg, 28 Februar 2006.

Rasmussen, Ilse A. (2001) Strategier for ukrudtsbekæmpelse i økologisk vinterhvede. 18. Danske Planteværnskonference, Nyborg, Danmark, 6.-7. marts 2001. In: DJF-rapport nr. 40, Markbrug. 18. Danske Planteværnskonference, Danmarks JordbrugsForskning, pp. 197-210.

Rasmussen, Ilse A. (2000) Sowing time, false seedbed, row distance and mechanical weed control in organic winter wheat. 4th EWRS Workshop on Physical Weed Control, Elspeet, Netherlands, 20-22 March 2000. In: Cloutier, Daniel (Ed.) Abstracts 4th EWRS Workshop on Physical Weed Control, pp. 5-7. [ Unpublished, ]

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (2000) Weed control in organic crop rotation experiments for grain production. 13th IFOAM Scientific Conference, Basel, Switzerland, 28 to 31 August 2000. In: Alföldi, T.; Lockeretz, W. and Niggli, U. (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag AG an der ETH Zürich, p. 182.

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (1999) Plant protection in an organic crop rotation experiment for grain production. Designing and testing crop rotations for organic farming, Borris, Denmark, 13th-16th June 1999. In: Olesen, Jørgen E.; Eltun, Ragnar; Gooding, Mike J.; Jensen, Erik Steen and Köpke, Ulrich (Eds.) DARCOF report no. 1: Designing and testing crop rotations for organic farming. Proceedings from an international workshop, Danish Research Centre for Organic Farming, pp. 321-330.

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (1999) Weed control in organic crop rotations for grain production. 11th EWRS (European Weed Research Society) Symposium, Basel, Switzerland, 28 June - 1 July 1999. In: Kropff, M.J.; Gut, D.; Streibig, J.C. and Baumann, D.T. (Eds.) Proceedings 11th EWRS Symposium, European Weed Research Society, p. 98.

Rasmussen, Ilse A. and Holst, Niels (2004) Computer model for simulating the long-term dynamics of annual weeds. 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 8-10 March 2004. In: Cloutier, Daniel C. and Ascard, Johan (Eds.) Proceedings of the 6th EWRS Workshop on Physical and Cultural Weed Control, CD-ROM, Europeon Weed Reserach Society, p. 69. ^**

Rasmussen, Ilse A.; Holst, Niels and Madsen, Kathrine Hauge (2003) Modeling the effect of management strategies on the seed bank dynamics of volunteer oilseed rape. 1st European conference on the Co-existence of Genetically Modified Crops with Conventional and Organic Crops, Helsingør, Denmark, 13-14 November 2003. In: Boelt, Birte (Ed.) Proceedings of the 1st European Conference on the Co-existence of Genetically Modified Crops with Conventional and Organic Crops, Danish Institute of Agricultural Sciences, pp. 184-186. ^**

Rasmussen, Ilse A.; Melander, Bo; Hansen, Preben Klarskov and Holst, Niels (2004) Langsigtet balance i ukrudtsbestanden. [Long-Term balance in the weed population.] Seminar om planteværn, Landbrugsafgrøder, Januar 2004. In: Seminar om Planteværn 2004, Landbrugsafgrøder, Dansk Landbrugsrådgivning, Landcentret, Planteavl, pp. 12-15. ^**

Rasmussen, Ilse A.; Melander, Bo; Rasmussen, Karsten; Jensen, Rikke K.; Hansen, Preben K.; Rasmussen, Gitte; Christensen, Svend and Rasmussen, Jesper (2000) Recent advances in weed management in cereals in Denmark. 13th IFOAM Scientific Conference, Basel, Switzerland, 28 to 31 August 2000. ^**

Rasmussen, Ilse A. and Rasmussen, Karsten (2003) Mekanisk ukrudtsbekæmpelse i kartofler. [Mechanical weed control in potatoes.] 20. Danske Planteværnskonference, Nyborg, Denmark, 4.-5. Marts 2003. In: DJF-rapport, Markbrug: 20. Danske Planteværnskonference - Korn, kartofler, skadedyr, miljø og postere, Danmarks JordbrugsForskning, Foulum (89), pp. 91-104.

Rasmussen, Ilse A.; Thomsen, Henning C.; Askegaard, Margrethe and Olesen, Jørgen E. (2006) Den langsigtede effekt af kløvergræsgrøngødning og efterafgrøder på udviklingen af kvik og tidsler. Plantekongres 2006, Herning, 10.-11. januar 2006. In: Jespersen, Jørgen B. and Pedersen, Carl Åge (Eds.) Sammendrag af indlæg Plantekongres 2006, Danmarks JordbrugsForskning og Dansk Landbrugsrådgivning, pp. 358-359.

Rasmussen, Ilse A.; Thomsen, Henning C. and Melander, Bo (2004) Erfaringer med kvikbekæmpelse på Jyndevad Forsøgsstation. Planteproduktion 2004, Herning, Danmark, 13-14 januar 2004. In: Sørensen, Henning Laen (Ed.) Månedsmagasinet Mark, Dansk Landbrugs Medier (1).

Rasmussen, Jesper (2009) Ukrudtsharvning - mod et mere nuanceret vejledningsgrundlag. [Post-emergence weed harrowing - working on better guidelines.] Plantekongres, Herning Kongrescenter, 13.-14. januar 2009. In: Sammendrag af indlæg Plantekongres 2009, pp. 286-288.

Rasmussen, Jesper (2009) Unifying parameters in mechanical weed control research - report of the roundtable. 8th EWRS Workshop on Physical and Cultural Weed Control, Zaragoza, Spain, 9-11 March 2009. In: Proceedings 8th EWRS Workshop on Physical and Cultural Weed Control, pp. 142-145.

Rasmussen, Jesper (2004) Are we making progress in mechanical weed control research? 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 8-10 March 2004.

Rasmussen, Jesper (2004) Are we making progress in mechanical weed control research? 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 8-10 March 2004. In: Proceedings 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 115-122., pp. 115-122.

Rasmussen, Jesper and Nørremark, Michael (2007) Digital images for assessing soil cover of crop plants. 7th EWRS Workshop on Physical and Cultural Weed Control, Salem, Germany, 11-14 March 2007. In: Proceedings 7th EWRS Workshop on Physical and Cultural Weed Control, pp. 123-129.

Rasmussen, Jesper and Nørremark, Michael (2007) Digital images for assessing soil cover of crop plants. 7th EWRS Workshop on Physical and Cultural Weed Control, Salem, Germany, 11-14 March 2007.

Rasmussen, Jesper; Nørremark, Michael and Bibby, Bo Martin (2008) New Technologies Call for New Research Priorities in Physical Weed Control with Low Selectivity. 5th International Weed Science Congress, Vancouver, BC, Canada, 23-27 June 2008.

Salonen, Jukka (2009) Comparison of three tillage intensities on grass weed occurrence in cereal rotation. 8th EWRS workshop on physical and cultural weed control, Zaragoza, Spain, 9-11 March 2009. In: Proceedings, European Weed Research Society, p. 77.

Salonen, Jukka and Hyvönen, Terho (2009) Repeated surveys in Finland follow the changes of weed flora in spring cereal fields. 3rd workshop of the EWRS working group: weeds and biodiversity, Lleida (Spain), 12-13 March 2009. In: Proceedings of the workshop, European Weed Research Society, p. 38.

Schmutz, U; Rayns, F and Sumpton, P (2006) 10-year interdisciplinary monitoring of organic stocklass, vegetable rotations at Warwick-HRI, Kirton, South Lincolnshire, UK. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. 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. 29-32.

Schochow, Dipl.-Ing. agr. Martin and Paulsen, Dr. Hans Marten (2005) Unkrautunterdrückung von ökologischen Mischfruchtanbausystemen: Effektivitätskontrolle durch Messung der photosynthetisch aktiven Strahlung. [Weed suppression of organic mixed cropping systems: Control of efficiency with measurement of photosynthetic active radiation.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Schrade, Sabine; Pekrun, Carola; Oechsner, Hans and Claupein, Wilhelm (2003) Untersuchungen zum Einfluss der Biogasgärung auf die Keimfähigkeit von Unkraut- und Kulturpflanzensamen unter besonderer Berücksichtigung des Ampfers (Rumex obtusifolius). [Studies on the impact of biogas fermentation on germinability of weed and crop seeds with special consideration of Rumex obtusifolius.] 7. Wissenschaftstagung zum Ökologischen Landbau, Wien, Austria, 24.-26.3.2003. In: Freyer, Bernhard (Ed.) 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft, pp. 531-532.

Schultz, Britta and Saucke, Dr. Helmut (2005) Einfluss verschiedener Saattermine auf den Erbsenwicklerbefall (Cydia nigricana Fabr.) in ökologischen Gemüseerbsen. 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Schulz, Franz; Brock, Christopher and Leithold, Günter (2009) Effekte unterschiedlicher Systeme der Grundbodenbearbeitung auf Erträge und Beikraut im Dauerfeldversuch Gladbacherhof. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Schuster, Martina (2006) Feldversuche zum Winterraps und Sommerraps im ökologischen Anbau. [Field trials of organic farming winter and spring rape seed cultivation.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Sjursen, Helge; Brandsæter, Lars Olav and Seljåsen, Randi (2008) Change of the weed seed bank during the first four years of a five-course crop rotation with organic vegetables. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Sprenger, B. (2005) Auswirkungen reduzierter Bodenbearbeitung und Vorfrucht auf die Unkrautvegetation. [Effects of reduced tillage and previous crop on weed vegetation.] 8. Wissenschaftstagung zum ökologischen Landbau - Ende der nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Sprenger, Barbara and Belde, Maren (2003) Auflaufraten von Ackerwildpflanzen auf ökologisch bewirtschafteten Flächen des Forschungsverbundes Agrarökosysteme München (FAM). [Emergence of weeds on organically cultivated fields of the Research Association Agrarian Ecosystems in Munich (FAM).] 7. Wissenschaftstagung zum Ökologischen Landbau, Ökologischer Landbau der Zukunft, Wien, 24.-26. Februar 2003.

Stumm, Christoph; Berg, Dr. Martin and Köpke, Prof. Dr. Ulrich (2009) Anbau und Düngung von Winterraps (Brassica napus L.) im Ökologischen Landbau. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Stumm, Christoph and Köpke, Ulrich (2007) Untersaaten in Kartoffeln zur Reduzierung der Spätverunkrautung. [Underseeds in potatoes to reduce late weed infestation.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Suter, Matthias; Siegrist-Maag, Sandra and Luescher, Andreas (2007) Beeinflusst die Bewirtschaftung das Vorkommen von Jakobskreuzkraut (Senecio jacobaea)? [Can the occurrence of Senecio jacobaea be influenced by management practice?] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Suter, Dr. Matthias and Lüscher, Dr. Andreas (2009) On-Farm Risikoanalysen zur Entwicklung von Kontrollmaßnahmen bei Kreuzkraut-Arten. [On-farm risk-assessment supports the control of Senecio species.] 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Sørensen, Cand.agro Søren (2003) Simple artificial infection method of Cirsium arvense (L.) Scop. with the obligate pathogen Puccinia punctiformis and regrowth from root. Nordic Association of Agricultural Scientists 22nd Congress, Turku, Finland, July 1-4 2003. In: Nordic Association of Agricultural Scientists 22nd Congress, Nordic agriculture in Global Perspective, MMT Agrifood Research Finland and NJF, p. 101.

Teasdale, John R. and Cavigelli, Michel A. (2008) Performance of Organic Grain Cropping Systems in Long-Term Experiments. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Turner, Rebecca J and Grundy, Andrea C (2002) Weed control strategies in organically grown carrots. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 229-230.

Tørresen, K.S.; Salonen, J.; Fogelfors, H.; Håkansson, S. and Melander, B. (2006) Weed problems in various tillage systems in the Nordic countries. Tillage systems for the benefit of agriculture and the environment : NJF seminar 378, Odense, Denmark, 29-31 May 2006. In: Extended abstracts, Nordic Association of Agricultural Scientists.

Tørresen, K.S.; Salonen, J.; Fogelfors, H.; Håkansson, S. and Melander, B. (2006) Weed problems in various tillage systems in the Nordic countries. Tillage systems for the benefit of agriculture and the environment : NJF seminar 378, Odense, Denmark, 29-31 May 2006. In: Book of abstracts, Nordic Association of Agricultural Scientists, 2 (4).

Urbatzka, MSC Peer; Graß, Dr. Rüdiger and Schüler, Dr. Christian (2005) Nutzung pflanzengenetischer Ressourcen für den ökologischen Landbau am Beispiel von Wintererbsen. [Use of plant genetic resources in organic agriculture - the example of winter pea.] 8. Wissenschaftstagung zum ökologischen Landbau, Kassel, 01.03.2005 - 04.03. 2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

van Eekeren, Nick; Fehér, L.; Smeding, Frans; Prins, Udo and Jansonius, PieterJans (2006) Controlling broad-leaved dock (Rumex obtusifolius) in grass clover mixtures. 21st General Meeting of the European Grassland Federation: Sustainable Grassland Productivity, Badajoz, Spain, 03 April 2006 - 06 April 2006. In: Lloveras, J.; Gonazalez-Rodriguez, A.; Vasquez-Yanez, O.; Pinero, J.; Santamaria, O.; Oleaamd, L. and Poblaciones, M.L. (Eds.) Sustainable grassland, 11.

van Loenen, Mariska C A; Turbett, Yzanne; Mullins, Chris E; Wilson, Michael J; Fielden, Nigel; Seel, Wendy E and Leifert, Carlos (2002) Low temperature/short duration steaming as a sustainable method of soil disinfection. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. 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. 211-214.

Vanhala, P.; Kurstjens, D.; Ascard, J.; Bertram, A.; Cloutier, D.C.; Mead, A.; Raffaelli, M. and Rasmussen, Jesper (2004) Guidelines for physical weed control research: flame weeding, weed harrowing and intra-row cultivation. 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, Norway, 8-10 March 2004. In: Proceedings 6th EWRS Workshop on Physical and Cultural Weed Control, 194-225, pp. 194-225.

Vanhala, P.; Lötjönen, T. and Salonen, J. (2004) Response of Sonchus arvensis to mechanical and cultural weed control. 6th EWRS workshop on physical and cultural weed control, Lillehammer, Norway, 8-10 March 2004.

Vanhala, P. and Salonen, J. (2007) Overwintering and regrowth of Sonchus arvensis roots in Finland as affected by fragmentation and burial in three different soil types. 7th EWRS workshop on physical and cultural weed control, Salem, Germany, 11-14 March 2007.

Vanhala, Petri (2002) Relationship between the timing of seedbed preparation and the efficacy of pre-emergence flaming. 4th EWRS workshop on physical weed control, Elspeet, The Netherlands, 20-22 March 2000.

Vanhala, Petri; Lötjönen, Timo and Salonen, Jukka (2003) Effect of crop species and management practices on perennial weeds in organic farming. NJF's 22nd congress "Nordic agriculture in global perspective", Turku, Finland, July 1-4, 2003.

Vanhala, Petri and Rahkonen, Jukka (1998) Laboratory assessment of crop tolerance to selective flaming. 3rd EWRS workshop on physical weed control, Wye College, UK, 23-25 March 1998.

Verschwele, Arnd (2005) Unkrautregulierung mit Herbiziden - Chancen und Risiken für den Ökologischen Landbau. [Weed control with herbicides - chances and risks for organic farming.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005-04.03.2005.

Verschwele, Arnd (2004) Herbizide im Ökologischen Landbau? [Herbicides for Organic farming?] 54. Deutsche Pflanzenschutztagung, Hamburg, 20.-23. September 2004. In: Biologische Bundesanstalt für Land- und Forstwirtschaft, (Ed.) Mitteilungen aus der Biologischen Bundesanstalt für Land- und Forstwirtschaft (396), p. 258.

Verschwele, Arnd and Böhm, Herwart (2004) Ampfer- und Distelbekämpfung im Ökolandbau. Statusseminar der Ressortforschungseinrichtungen des BMVEL, D-Braunschweig, 5. März 2004. In: Rahmann, G. and Kühne, S. (Eds.) Ressortforschung für den ökologischen Landbau 2003, Senatsarbeitsgruppe Ökologischer Landbau, D-Trenthorst, D-Kleinmachnow, pp. 16-18.

Verschwele, Arnd and Zwerger, Peter (2005) Effects of organic farming on weed abundance - long-term results from a site in northern Germany. [Auswirkungen des Ökologischen Landbaus auf die Verunkrautung - Langzeitergebnisse von einem Standort in Norddeutschland.] XIII European Weed Research Society Symposium, Bari, Italy, 19.06.2005 - 23.06.2005. In: Barberi, Paolo, et al. (Ed.) Proceedings of the 13th EWRS Symposium, EWRS.

Verschwele, Dr. Arnd (2009) Versuche zum Falschen Saatbett bei Winterweizen. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Verschwele, Dr. Arnd (2005) Unkrautregulierung mit Herbiziden - Chancen und Risiken für den Ökologischen Landbau. [Weed control with herbicides - chances and risks for organic farming.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005-04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Walker, R L; Svoboda, K; Booth, E J and Walker, K C (2006) Coloured mulch as a weed control technology and yield booster for summer savory. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. 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. 233-236.

Younie, David; Taylor, Dick; Coutts, Michael; Matheson, Stella; Wright, G and Squire, Geoff (2002) Effect of organic crop rotations on long-term development of the weed seedbank. UK Organic Research 2002, Aberystwyth, 26-28th March 2002. In: Jane, Powell (Ed.) Research in context. Proceedings of the UK Organic Research 2002 Conference, 26-28 March 2002, Aberystwyth, Organic Centre Wales, Aberystwyth, pp. 215-220.

Østergård, Hanne; Kristensen, Kristian; Hovmøller, Mogens and Willas, Jakob (2006) Genetic potential for grain yield in spring barley varieties and variety mixtures in variable organic environments. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Journal paper

Ascard, Johan and Fogelberg, Fredrik (2008) Mechanical In-Row Weed Control in Transplanted and Direct-Sown Bulb Onions. Biological Agriculture and Horticulture, 25, pp. 235-251.

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

Böhm, Herwart (2005) Ampfer ohne Chemie bekämpfen. Top agrar (3/2005), pp. 100-103.

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

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

Braband, D. and van Elsen, T. (2006) Ackerwildkräuter als „ökologische Leistung“ – Entwicklung einer Methode zur Feststellung förderwürdiger, artenreicher Ackerflächen. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Journal of Plant Diseases and Protection, Sonderheft XX, pp. 535-546.

Cirujeda, A.; Melander, B.; Rasmussen, K. and Rasmussen, I.A. (2003) Relationship between speed, soil movement into the cereal row and intra-row weed control efficacy by weed harrowing. Weed Research, 43 (4), pp. 285-296.

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.

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

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

Graglia, Enrico; Melander, Bo and Jensen, Rikke (2005) Mechanical and cultural strategies to control Cirsium arvense. Weed Research (46), pp. 304-312.

Griepentrog, Hans W.; Nørremark, Michael; Nielsen, Henning and Blackmore, Simon (2005) Seed Mapping of Sugar Beet. journal, 6 (2), pp. 157-165.

Grundy, A.C.; Peters, N.C.B.; Rasmussen, I.A.; Hartmann, K.A.; Sattin, M.; Andersson, L.; Mead, A.; Murdoch, A.J. and Forcella, F. (2003) Emergence of Chenopodium album and Stellaria media of different origins under different climatic conditions. Weed Research, 43 (3), pp. 163-176. ^**

Hansen, Preben Klarskov (2005) Forskelle i bygsorters tolerance overfor ukrudtsharvning. [Differences in tolerance to weed harrowing by spring barley varieties.] FØJOenyt, 2.

Hansen, Preben Klarskov; Kristensen, Kristian and Willas, Jakob (2007) A weed suppressive index for spring barley (Hordeum vulgare L.) varieties. Weed Research Oxford. [ In Press , 2007]

Hansen, Preben Klarskov; Kristensen, Kristian and Willas, Jakob (2006) A suppressive index for spring barley varieties. [ Submitted , April 2006]

Hansen, Preben Klarskov; Rasmussen, Ilse A.; Holst, Niels and Andreasen, Christian (2007) Tolerance of four spring barley (Hordeum vulgare L.) varieties to weed harrowing. Weed Research, 47 (3), pp. 241-251.

Hansen, Preben Klarskov; Rasmussen, Ilse A.; Holst, Niels and Andreasen, Christian (2006) Tolerance to weed harrowing in four spring barley varieties. [ Submitted , 2006]

Hatcher, Lecturer Paul and Melander, Senior scientist Bo (2003) Combining physical, cultural and biological methods: prospects for integrated non-chemical weed management strategies. Weed Research, 43 (5), pp. 303-322.

Himstedt, M. and van Elsen, T. (2006) Vegetationskundliche Untersuchungen auf Äckern des ökologischen Landbaus am Beispiel ausgewählter Betriebe in Mittel- und Norddeutschland. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Journal of Plant Diseases and Protection, Sonderheft XX, pp. 597-604.

Holst, N.; Rasmussen, I.A. and Bastiaans, L. (2007) Field weed population dynamics: a review of model approaches and applications. Weed Research, 47 (1), pp. 1-14. ^**

Hotze, C. and van Elsen, T. (2006) Ackerwildkräuter konventionell und biologisch bewirtschafteter Äcker im östlichen Meißnervorland – Entwicklung in den letzten 30 Jahren. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Journal of Plant Diseases and Protection, Sonderheft XX, pp. 547-555.

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

Jørgensen, M.H.; Kristensen, J.K.; Melander, B. and Kristensen, E.F. (2004) Thermal Band Heating for Intra-Row Weed Control. Biosystems Engineering. [ Unpublished, ]

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

Jørgensen, Rasmus N.; Nørremark, Michael; Sørensen, Claus G. and Andersen, Nils Axel (2008) Utilising scripting language for unmanned and automated guided vehicles operating within row crops. Computers and electronics in agriculture, 62, pp. 190-203.

Koesling, Matthias (1997) Ikke så mens du høster. Hummelposten, 3, pp. 24-25.

Kolbe, Hartmut and Petzold, Winfried (2002) Leistungsvergleich neuer Hackgeräte sowie Einsatzhinweise [Comparison of the performance of novel mechanical hoes and remarks on their usage]. SÖL-Berater-Rundbrief (1), pp. 41-46.

Kristiansen, P. (2006) Brassicas limited in weed control. Australian Organic Journal, Winter, pp. 40-41.

Kristiansen, P.E.; Sindel, B.M. and Jessop, R.S. (2008) Weed management in organic echinacea (Echinacea purpurea) and lettuce (Lactuca sativa) production. Renewable Agriculture and Food Systems, 23 (2), pp. 120-135.

Laber, H.; Baumgarten, B.; Stützel, H. and Wonneberger, C. (1999) Abflammen von Säzwiebeln im Nachauflauf. [Postemergence flaming of annual onions.] Gemüse, 35 (5), pp. 312-314.

Laber, Hermann and Stützel, Hartmut (2003) Ertragswirksamkeit der Restverunkrautung in Gemüsekulturen nach nichtchemischen Unkrautregulationsmaßnahmen. [Yield effects of residual weeds in vegetable crops after nonchemical weed regulation.] Pflanzenbauwissenschaften, 7 (1), pp. 29-38.

Laber, Hermann and Stützel, Hartmut (2000) Nebenwirkungen mechanischer Unkrautregulationsmaßnahmen im Gemüsebau. [Side effects of mechanical weed control measures in vegetable production.] Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Sonderheft, XVII, pp. 653-660.

Laber, Hermann and Stützel, Hartmut (1998) Bekämpfungserfolg bei mechanischer Unkrautregulation. [Success of mechanical weed control measures.] Gemüse, 34 (10), pp. 561-565.

Laber, Hermann and Stützel, Hartmut (1998) Einflussfaktoren auf den Bekämpfungserfolg beim Hacken. [Factors influencing the success of mechanical weed control.] Gemüse, 34 (11), pp. 622-625.

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

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

Melander, B. and Jørgensen, M.H. (2005) Soil steaming to reduce intrarow weed seedling emergence. Weed Research, 45 (3), pp. 202-211.

Melander, Bo; Cirujeda, Alicia and Jørgensen, Martin Heide (2003) Effects of inter-row hoeing and fertilizer placement on weed growth and yield of winter wheat. Weed Research, 43 (6), pp. 428-438.

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

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

Melander, Bo; Rasmussen, Ilse A and Barberi, Paolo (2005) Integrating Physical and Cultural Methods of Weed Control – Examples from European Research. Weed Science. [ In Press , 2005]

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

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

Melander, Bo; Rasmussen, Ilse A. and Barberi, Paolo (2005) Integrating Physical and Cultural Methods of Weed Control – Examples from European Research. Weed Science, 53, pp. 369-381.

Melander, Senior scientist Bo (1998) Interactions between soil cultivation in darkness, flaming, and brush weeding when used for in-row weed control in vegetables. Biological Agriculture & Horticulture, 16 (1), pp. 1-14.

Melander, Senior scientist Bo (1997) Optimization of the adjustment of vetical axis rotary brush weeder for intra row weed control in row crops. Journal of Agricultural Engineering Research, 68, pp. 39-50.

Melander, Senior scientist Bo and Hartvig, Technicians Peter (1997) Yield responses of weed-free seeded onions [Allium cepa (L.)] to hoeing close to the row. Crop Protection, 16 (7), pp. 687-691.

Melander, Senior scientist Bo and Rasmussen, Scientist Gitte (2001) Effects of cultural methods and physical weed control on intrarow weed numbers, manual weeding and marketable yield in direct-sown leek and bulb onion. Weed Research, 41 (6), pp. 491-508.

Melander, Senior scientist Bo and Rasmussen, Scientist Karsten (2000) Reducing intra-row weed numbers in row crops by means of a biennial cultivation system. Weed Research, 40 (2), pp. 205-218.

Olesen, Jørgen E.; Hansen, Preben Klarskov; Berntsen, Jørgen and Christensen, Svend (2004) Simulation of Above-Ground Suppression of Competing Species and Competition Tolerance in Winter Wheat Varieties. Field Crop Research, 89, pp. 263-280.

Pekrun, Carola and Claupein, Wilhelm (2006) The implication of stubble tillage for weed population dynamics in organic farming. Weed Research, 46 (5), pp. 414-423. [ In Press , 2006]

Pekrun, Carola and Claupein, Wilhelm (2004) The effect of stubble tillage and primary tillage on population dynamics of Canada Thistle (Cirsium arvense) in organic farming. Journal of Plant Diseases and Protection, Special Issue, XIX, pp. 483-490.

Pekrun, Carola; Häberle, Annette and Claupein, Wilhelm (2003) Bedeutung von Grund- und Stoppelbearbeitung für die Kontrolle der Ackerkratzdistel (Cirsium arvense) im Ökologischen Landbau. [The implication of primary tillage and stubble tillage for the control of Canada thistle (Cirsium arvense) in organic farming.] Landbauforschung Völkenrode, Sonderheft 255, pp. 29-34.

Pekrun, Carola; Häuser, Inga and Claupein, Wilhelm (2002) Einfluss dreijährig variierter Stoppelbearbeitung auf den Bodensamenvorrat unter den Produktionsbedingungen des Ökologischen Landbaus. [Influence of triannual diversified stupple ploughing for the reserve of seeds in the soil under the conditions of organic farming.] Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, 14, pp. 193-194.

Pekrun, Dr. Carola; Jund, Dorothea; Hofrichter, Veit; Wagner, Susanne; Thumm, Ulrich and Claupein, Wilhelm (2002) Pflanzen- und ackerbauliche Maßnahmen zur Ampferbekämpfung auf Acker- und Grünlandflächen unter den Produktionsbedingungen des Ökologischen Landbaus. [Indirect means of weed control against Rumex spec. on arable fields and grassland in organic farming.] Zeitschrift Pflanzenkrankheiten Pflanzenschutz, Sonderheft, XVIII, pp. 533-540.

Petersen, J. (2003) Weed - spring barley competition for applied nitrogen in pig slurry. Weed Research (43), pp. 33-39.

Pinna, Massimo; Spagnolo, Sandra and Gamba, Ursula (2007) Caratteristiche agronomiche e possibilità di utilizzo di Brassica juncea (L.) Czern. [Agronomic features and use opportunity of Brassica juncea (L.) Czern.] Bollettino di Agricoltura biologica a cura del C.R.A.B. (3), pp. 47-54.

Rasmussen, I. and Askegaard, M. (2004) Crop rotation limits Canada thistle, but not Couch grass or annual weeds. DARCOFenews (4).

Rasmussen, I. and Askegaard, M. (2004) Ukrudtets udvikling i de økologiske sædskifteforsøg. [The development of weeds in the Danish organic crop rotation experiments.] FØJOenyt (6).

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2004) Økologiske sædskifter til korn - kan produktionen øges? [Organic crop rotations for cereal production - is it possible to increase the yield?] Forskningsnytt om økologisk landbruk i Norden (4), pp. 16-18.

Rasmussen, I.A.; Askegaard, M.; Olesen, J.E. and Kristensen, K. (2006) Effects on weeds of management in newly converted organic crop rotations in Denmark. Agriculture, Ecosystems & Environment, 113, pp. 184-195.

Rasmussen, Ilse A. (2004) The effect of sowing date, stale seedbed, row width and mechanical weed control on weeds and yields of organic winter wheat. Weed Research, 44 (1), pp. 12-20.

Rasmussen, Ilse A. (2003) Ukrudtsfloraens udvikling i de økologiske sædskifteforsøg. FØJO enyt - Nyhedsbrev fra Forskningscenter for Økologisk Jordbrug (3).

Rasmussen, Ilse A. (2002) The effect of sowing strategy, row distance and mechanical weed control on weeds and yield in organic winter wheat. [ Submitted , 2002]

Rasmussen, Ilse A. and Hansen, Preben Klarskov (2005) Index beregner hvor godt økologisk vårbyg konkurrerer med ukrudt. [An index calculates how well organic spring barley competes against weeds.] FØJOenyt, 3.

Rasmussen, Ilse A. and Holst, Niels (2003) Computer model for simulating the long-term dynamics of annual weeds: from seedlings to seeds. Aspects of Applied Biology (69), pp. 277-284. ^**

Rasmussen, Jesper (2003) Punch planting, flame weeding and stale seedbed for weed control in row crops. Weed Research, 43, pp. 393-403. ^**

Rasmussen, Jesper; Bibby, Bo Martin and Schou, Anders P. (2008) Investigating the selectivity of weed harrowing with new methods. Weed Research, 48 (6), pp. 523-532.

Rasmussen, Jesper; Kurtzmann, J.I. and Jensen, A. (2004) Tolerance of competitive spring barley cultivars to weed harrowing. Weed Research, 44, pp. 446-452.

Rasmussen, Jesper; Nielsen, Helle H. and Gundersen, Hanne (2009) Tolerance and selectivity of cereal species and cultivars to postemergence weed harrowing. Weed Science, 57, pp. 338-345.

Rasmussen, Jesper and Nørremark, Michael (2009) På vej mod den intelligente ukrudtsharve. [Approaching the intelligent weed harrow.] Forskningsnytt om økologisk landbruk i Norden (1), pp. 26-28.

Rasmussen, Jesper and Nørremark, Michael (2007) Forskning i ukrudtsharvning får nyt liv med digital billedbehandling. [Digital image analysis offers new possibilities in weed harrowing research.] FØJOenyt.

Rasmussen, Jesper and Nørremark, Michael (2006) Digital image analysis offers new possibilities in weed harrowing research. Zemdirbyste/Agriculture, 93 (4), pp. 155-165.

Rasmussen, Jesper; Nørremark, Michael and Bibby, Bo Martin (2007) Assessment of leaf cover and crop soil cover in weed harrowing research using digital images. Weed Research, 47, pp. 299-310.

Rasmussen, K. (2002) Influence of liquid manure application method on weed control in spring cereals. Weed Research (42), pp. 287-298. ^**

Rebsdorf, Simon Olling and Sørensen, Linda S. (2009) International newsletter from ICROFS. ICROFS news (2).

Schleuß, Uwe (2003) Aspekte zur Unkrautregulierung im ökologischen Landbau [Aspects for weed management in organic farming]. Bauernblatt Schleswig-Holstein und Hamburg, 18, pp. 30-31.

Schleuß, Uwe (2003) Bodenbearbeitung und Unkrautregulierung im ökologischen Landbau [Soil cultivation and weed control in organic farming]. Landtechnik - Agricultural Engineering, 58 (1), pp. 50-51.

Schleuß, Uwe (2003) Einbau der Unkrautregulierung als Kulturmaßnahme - Kann die Bodenbearbeitung zur Unkrautregulierung im ökologischen Landbau beitragen? [Integration of weed control in crop cultivation - may soil cultivation be effective for weed control in organic agriculture?] Bauernblatt Schleswig-Holstein und Hamburg, 1, pp. 36-38.

Schleuß, Uwe (2003) Mit Striegel und Hacke gegen Unkräuter [With curry-comb and hoe against weed]. Neue Landwirtschaft, 4, pp. 51-53.

Stumm, Christoph (2007) Mit Ölrettich gegen Spätverunkrautung. Bioland-Magazin, 2007 (6), pp. 10-12.

Stumm, Christoph (2006) Auf den Acker geschaut: Leitbetriebe Ökologischer Landbau NRW – Praxisorientierte Forschung und Beratung vor Ort. B&B Agrar (1), pp. 26-27.

van der Weide, R.Y.; Bleeker, P.O.; Achten, V.T.J.M.; Plotz, L.A.; Fogelberg, F. and Melander, B. (2008) Innovation in mechanical weed control in crop rows. [Nye mekaniske metoder til bekæmpelse af ukrudt i rækken i rækkeafgrøder.] Weed Research, 48, pp. 215-224. ^*

van Elsen, Thomas and Scheller, Ute (1994) Zur Bedeutung einer stark gegliederten Feldflur für die Entwicklung von Ackerwildkraut-Gesellschaften. Beispiele aus Thüringen und Nordhessen. [The importance of a diverse pattern of fields for the development of weed-communities. Examples from Thuringia and Northern Hesse.] Naturschutz und Landschaftspflege in Brandenburg, Sonderheft 1, Naturschutz in der Agrarlandschaft, pp. 17-31.

van Loenen, M. C. A.,; Turbett, Y.,; Mullins, C. E.,; Feilden, N. E. H.,; Wilson, M. J.,; Leifert, C., and Seel, W. E., (2003) Low temperature-short duration steaming of soil kills soil-borne pathogens, nematode pests and weeds. European Journal of Plant Pathology, 109 (9), pp. 993-1002.

Vanhala, Petri and Lötjönen, Timo (2004) Reglering av åkermolke och andra fleråriga ogräs. Forskningsnytt om økologisk landbruk i Norden (4), pp. 22-23.

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.

Østergård, H.; Kristensen, K.; Pinnschmidt, H.O.; Hansen, P.K. and Hovmøller, M.S. (2008) Predicting spring barley yield from variety-specific yield potential, disease resistance and straw length, and from environment-specific disease loads and weed pressure. Euphytica, 163, pp. 391-408.

Newspaper or magazine article

Andersen, Naja Steen (2005) Selvsået raps gav pænt udbytte. [Self-sown oilseed rape gave high yield.] In: Økologisk Jordbrug, November 2005, p. 10.

Graglia, Enrico (2003) Bekæmpelse af Ager-Tidsel i sædskiftet. In: Aktuel Økologi, September 2003, pp. 4-5. Familie Landbruget.

Graglia, Dr. Enrico (2003) Ager Tidsel kan bekæmpes uden kemi. In: Landbrugsavisen, August 2003, p. 28.

Graglia, Scientist Enrico (2003) Succesfuld bekæmpelse af Ager-Tidsel - uden kemi. In: Nyhedsbrevet Danmarks JordbrugsForskning, July 2003, pp. 1-2. Danmarks JordbrugsForskning.

Graglia, Scientist Enrico and Melander, Senior Scientist Bo (2003) Tidslerne får det glatte lag. In: Økologisk Jordbrug, June 2003, p. 15. Økologisk Landsforening.

Melander, Bo and Kristensen, Jens Kristian (2005) Rækkedampning bruger mindre olie. In: Gartnertidende, 2005, pp. 8-9.

Melander, B. (2005) Rodukrudt skal tackles bedre. In: Økologisk Jordbrug, December 2005, p. 4.

Melander, Bo (2008) Ukrudt i økologiske marker skal bekæmpes på nye måder. In: Landbrugsavisen, April 2008. Landbrugsavisen.

Melander, Bo; Nørremark, Michael and Kristensen, Erik Fløjgaard (2008) Kvik skal op og væk. In: Økologisk Jordbrug, 14 November 2008.

Melander, Forsker Bo (2002) Hårde betingelser for Vestaustraliens økologer. In: Økologisk Jordbrug, December 2002, p. 4.

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

Melander, Scientist Bo; Heisel, Scientist Torben and Jørgensen, Scientist Martin Heide (2001) Stribedampning mod ukrudt i højværdiafgrøder. In: Forskningsnytt om øekologisk landbruk i Norden, November 2001, p. 13.

Melander, Senior scientist Bo and Boelt, Senior scientist Birte (2003) Ukrudtsbekæmpelse ved udlæg af græsfrø på økologiske frøavlsbedrifter. In: Tidsskrift for Frøavl, May 2003, pp. 6-7.

Melander, Senior scientist Bo and Rasmussen, Scientist Ilse A. (2001) Radrensning tager besværligt ukrudt. In: Økologisk Jordbrug, August 2001, p. 9.

Melander, Senior scientist Bo and Willumsen, Senior scientist Jens (2000) Striglen kan holde løg og porre rene. In: Økologisk Jordbrug, April 2000, p. 13.

Nørremark, Michael and Griepentrog, Hans W. (2003) Den digitale mark. [The digital field.] In: magazine, July 2003, pp. 10-11. KVL.

Nørremark, Michael and Melander, Bo (2009) Automatiske redskaber til ukrudtsbekæmpelse. In: Økologisk Jordbrug, 07 August 2009.

Nørremark, Michael and Melander, Bo (2009) Udvikling af automatiske redskaber til fysisk ukrudtsbekæmpelse. In: ICROFS Nyt, March 2009. ICROFS, Foulum.

Nørremark, Michael and Melander, Bo (2009) Development of tools for automated physical weed control. In: ICROF’s news, February 2009. ICROFS, Foulum.

Petersen, Jens (2005) Nedfældet kvælstof skal placeres tæt ved afgrøden. In: Agrologisk, January 2005. ^*

Petersen, Jens (2003) Konkurrence om gødningskvælstof. [Weed and crop competition for fertilizer N.] In: Økologisk Jordbrug, January 2003, p. 4. Økologisk Jordbrug.

Petersen, Jens (2002) Ukrudt stjæler gødningskvælstof. [Weeds steel fertilizer N.] In: Landsbladet, November 2002, p. 32. Landsbladet.

Rasmussen, I. (2005) Når man skal vælge vårbygsort. [How to choose spring barley variety.] In: Økologisk Jordbrug, April 2005, p. 6.

Rasmussen, I. (2004) Spildfrø af vinterraps - er det et problem for økologerne? [Volunteer oilseed rape - is it a problem for organic farmers?] In: Månedsmagasinet Mark, January 2004, p. 55. Dansk Landbrugs Medier.

Rasmussen, I. A. (2008) Kvik og tidsler i sædskifteforsøgene. [Elytrigia repens (Couch grass) and Cirsium arvense (Canada thistle) in the organic crop rotation experiments.] In: Økologisk Jordbrug, April 2008, p. 12. Økologisk Landforening, Århus, DK.

Rasmussen, Ilse A. (2006) Rodukrudt i sædskifteforsøg. [Perennial weeds in organic crop rotation experiments.] In: Økologisk Jordbrug, June 2006, p. 6. Økologisk Landsforening.

Rasmussen, Ilse A. (2004) Svært at holde kvikken i skak. In: Økologisk Jordbrug, April 2004, p. 6. Økologisk Landsforening.

Rasmussen, Ilse A. (2003) Nyt fra de økologiske sædskifteforsøg - hvad sker der med jordens pulje af ukrudtsfrø på de økologiske forsøgsmarker. In: Økologisk Jordbrug, May 2003, p. 6. Økologisk Landsforening, Århus.

Rasmussen, Ilse A. (2002) Nyt fra de økologiske sædskifteforsøg - effekten af økologisk sædskifte begynder at vise sig. In: Økologisk Jordbrug, September 2002, p. 6. Økologisk Landsforening.

Rasmussen, Ilse A. (2002) Nyt fra de økologiske sædskifteforsøg - Kløvergræsset i Jyndevad har været et smertensbarn. In: Økologisk Jordbrug, May 2002, p. 6. Økologisk Landsforening.

Rasmussen, Ilse A. (2001) Nyt fra de økologiske sædskifteforsøg - alle forsøgsparceller er høstet. In: Økologisk Jordbrug, October 2001, p. 6. Økologisk Landsforening.

Rasmussen, Ilse A. (2001) Sådan kan spildraps måske begrænses. In: Produktion - DLGs Landbrugsmagasin, June 2001. Dansk Landbrugs Grovvareselskab.

Rasmussen, Ilse A. (2001) Nyt fra de økologiske sædskifteforsøg - aktiviteter i marken lige nu. In: Økologisk Jordbrug, April 2001, p. 6. Økologisk Landsforening.

Rasmussen, Ilse A. (2000) Nyt fra de økologiske sædskifteforsøg. In: Økologisk Jordbrug, August 2000, p. 8. Økologisk Landsforening.

Rasmussen, Ilse A. (1999) Nyt fra de økologiske sædskifteforsøg - Lige nu i marken. In: Økologisk Jordbrug, September 1999, p. 8. Økologisk Landsforening.

Rasmussen, Ilse A. (1999) Nyt fra de økologiske sædskifteforsøg - Lige nu i marken. In: Økologisk Jordbrug, May 1999, p. 10. Økologisk Landsforening.

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (2006) Sædskifteforsøg skal give nye svar. [Crop rotation experiments expected to give new answers.] In: Økologisk Jordbrug, April 2006, p. 9. Økologisk Landsforening.

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (2002) Problemer med rodukrudt. In: Økologisk Jordbrug, April 2002, p. 8. Økologisk Landsforening.

Rasmussen, Ilse A. and Melander, Bo (2005) Balance i ukrudtsbestanden. In: Mark, November 2005, p. 31. Dansk Landbrugs Medier. ^*

Rasmussen, Ilse A. and Melander, Bo (2001) Ukrudtsbekæmpelse i økologisk dyrket vintersæd: resultater og erfaringer. In: Forskningsnytt om økologisk landbruk i Norden, November 2001, pp. 9-11. Sveriges Lantbruksuniversitet. ^*

Rasmussen, Ilse A. and Rasmussen, Jesper (2000) Beskidte rækkeafgrøder giver ukrudt i kornet. In: Økologisk Jordbrug, May 2000, p. 14. Økologisk Landsforening.

Rasmussen, Ilse A.; Thomsen, Henning; Askegaard, Margrethe and Olesen, Jørgen E. (2003) Kvik volder kvaler. In: Økologisk Jordbrug, May 2003, p. 8. Økologisk Landsforening, Århus.

Rasmussen, Jesper (2008) Mindre ukrudt med punktsåning. [Less weeds with punch planting.] In: Maskinbladet, August 2008, p. 13.

Rasmussen, Jesper (2004) Falsk såbed sparer tid til roehakning. [False seed bed reduces manual weeding.] In: Økologisk Jordbrug, April 2004, p. 8.

Rasmussen, Scientist Karsten and Melander, Scientist Bo (2004) Radrensere med automatpilot er godt på vej. In: Ny Viden fra Miljøstyrelsen nr. 1 - 15 januar 2004, 77-81., January 2004, pp. 77-81. Miljøstyrelsen.

Schjønning, P. (2003) Jordbearbejdning. [Soil tillage (in organic farming).] In: Økologisk Jordbrug, 2003, p. 4. ^*

Other

Bundesforschungsanstalt für Landwirtschaft, FAL (2004) Ampfer im Grünland erfolgreich kontrollieren - Ein praktischer Leitfaden für den ökologischen Landbau. Gefördert vom Bundesministerium für Ernährung, Landwirtschaft und Verbraucherschutz (BMELV) im Rahmen des Bundesprogramms Ökologischer Landbau.

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

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

McKinnon, Kirsty and Løes, Anne-Kristin (2005) Planter som jorddekke - gjødsling og plantevern. [Plants used as a soil cover (mulch)- fertilisation and weed regulation effects.] NORSØK Småskrift (NORSØK leaflet).

Preston, Keith (2008) Management & sustainability of stockless organic arable and horticultural systems. Research Review for Advisors.

Roth, Rebekka (2005) Übersicht aus 10 Jahren Versuchstätigkeit im Ökologischen Gemüsebau 1994-2004. Vorabveröffentlichung - erstellt im Rahmen des Forschungsprojekts "Netzwerk im ökologischen Gemüsebau" (FKZ 03OE569). Gefördert vom Bundesministerium für Verbraucherschutz, Ernährung und Landwirtschaft im Rahmen des Bundesprogramms Ökologischer Landbau. [ Unpublished, ]

Sanders, Richard; Niedeggen, Barbara; Jones, Hannah; Wolfe, Martin; Hitchings, Roger and Fleming, David (2005) EFRC Bulletin 81 December 2005.

Wright, Isobel (2008) Combinable protein crop production. Research Review for Advisors.

Proceedings

Østergård, H. and Fontaine, L. (Eds.) (2006) Cereal crop diversity: Implications for production and products. Proceedings of COST SUSVAR workshop, La Besse, Paris (FR), 12-15 Jun 2006. ITAB, Paris.

Häseli, Andreas (Ed.) (2006) Fachtagung Bioobstbau 2006. [Proceedings of the FiBL Organic Fruit Seminar 2006.] Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.

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

Böhm, Herwart; Engelke, Thomas; Finze, Jana; Häusler, Andreas; Pallutt, Bernhard; Verschwele, Arnd and Zwerger, Peter (Eds.) (2003) Strategien zur Regulierung von Wurzelunkräutern im ökologischen Landbau. [Strategies to root-weed regulation in organic agriculture.] Proceedings of Expertenkolloquium "Strategien zur Regulierung von Wurzelunkräutern im ökologischen Landbau", Braunschweig, 18. - 19. Februar 2003. Bundesforschungsanstalt für Landwirtschaft (FAL), Braunschweig.

Kühne, Stefan and Britta Friedrich, Biologische Bundesanstalt für Land- und Forstwirtschaft, Braunschweig (Eds.) (2002) Hinreichende Wirksamkeit von Pflanzenschutzmitteln im ökologischen Landbau sowie Saat- und Pflanzgut für den ökologischen Landbau. [Sufficient Effeciency of Plant Protection Products in Organic Farming and Seeds and Propagation Material for Organic Farming.] Proceedings of Pflanzenschutz im Ökologischen Landbau - Probleme und Lösungsansätze - Fünftes Fachgespräch am 28. Juli 2001 in Kleinmachnow - "Hinreichende Wirksamkeit von Pflanzenschutzmitteln im ökologischen Landbau sowie Saat- und Pflanzgut für den ökologisch. Saphir Verlag, D-Ribbesbüttel.

Bernhard Pallutt, Biologische Bundesanstalt für Land- und Forstwirtschaft, Braunschweig (Ed.) (2000) Unkrautregulierung im ökologischen Landbau. [Weed Control in Organic Farming.] Proceedings of Pflanzenschutz im Ökologischen Landbau - Probleme und Lösungsansätze - Drittes Fachgespräch am 2. November 1999 in Kleinmachnow - "Unkrautregulierung im ökologischen Landbau". Saphir Verlag, D-Ribbesbüttel.

Project description

{Project} Advance automation technologies for sustainable agricultural production. Runs 2002 - 2005. Project Leader(s): Tillet, Dr Nick, Silsoe Research Institute.

{Project} Anbau von Mischkulturen mit Ölpflanzen zur Verbesserung der Flächenproduktivität im ökologischen Landbau - Nährstoffaufnahme, Unkrautunterdrückung, Schaderregerbefall und Produktqualitäten. Runs 2004 - 2006. Project Leader(s): Paulsen, Dr. Hans Marten, Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei. More information online at <http://www.bundesprogramm.de/fkz=03OE113>.

{Project} Automatisering av mekanisk ogräsbekämpning. [Automation of mechanical weed control.] Runs 2002 - 2003. Project Leader(s): Baerveldt, Albert-Jan, Halmstad University.

{Project} Überprüfung der Effektivität der maschinellen Ampferregulierung im Grünland mittels WUZI unter differenzierten Standortbedingungen. Runs 2004 - 2004. Project Leader(s): Böhm, Dr. Herwart, Bundesforschungsanstalt für Landwirtschaft. More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=04OE019>.

{Project} Biologische Regulierung der Ackerkratzdistel. [Biocontrol of the creeping thistle.] Runs 2003 - 2005. Project Leader(s): Wyss, Eric, Research Institute of Organic Agriculture (FiBL), CH-5070 Frick. More information online at <http://www.zoology.unibe.ch/ecol/bacher/nativebc.htm>.

{Project} Bodenbedeckungsmanagement im pfluglosen integrierten und biologischen Ackerbau unter besonderer Berücksichtigung der Kulturübergänge. [Management of cover crops in arable farming systems with reduced tillage.] Runs 2003 - 2007. Project Leader(s): Streit, Bernhard, Agroscope FAL Reckenholz, Swiss Federal Research Station for Agroecology and Agriculture, CH-8046 Zurich, E-mail: info@fal.admin.ch. More information online at <http://www.aramis.admin.ch/Default.aspx?page=Texte&projectid=16015>.

{Project} Control of docks: Control of docks (Rumex spp.) in organic fodder production - a true bottleneck in organic farmed branded dairy and meat products. [Kontroll av høymole (Rumex spp.) i økologisk forproduksjon - en flaskehals ved økologisk melke- og kjøttproduksjon.] Runs 2006 - 2010. Project Leader(s): Brandsæter, Lars Olav; Lunnan, Tor; Haugland, Espen; Netland, Jan; Hatcher, Paul and Koesling, Matthias, Bioforsk, Norwegian Institute for Agricultural and Environmental Research. More information online at <http://www.bioforsk.no/ViewPPP.aspx?view=project&id=801&ViewLanguage=English>.

{Project} Cost-efective inter-row hoeing and band spraying systems for weed control in integrates and organic cereal production. Runs 2002 - 2005. Project Leader(s): Tillett, Nick, Silsoe Research Institute.

{Project} Diversity of weeds - the role and management in arable ecosystems. [Rikkakasvien monimuotoisuuden merkitys ja hallinta peltoekosysteemissä.] Runs 2003 - 2004. Project Leader(s): Salonen, Jukka, MTT Agrifood Research Finland. More information online at <http://tripunix.mtt.fi/cgi-bin/thw/?${BASE}=arktui&${HTML}=docu_eng&${SNHTML}=nosyn_eng&${TRIPSHOW}=for=www_eng&NR=316-01>.

{Project} Elemente der Automatisierung in der Agrartechnik. [Elements of automation in agricultural engineering.] Runs 2003 - 2007. Project Leader(s): Dürr, Lorenz, Agroscope FAT Taenikon, Swiss Federal Research Station for Agricultural Economics and Engineering, Taenikon, CH-8356 Ettenhausen. More information online at <http://www.aramis.admin.ch/Default.aspx?page=Texte&projectid=16052>.

{Project} Etableringsteknik och ogräsreglering i ekologiska utsädesodlingar av vitklöver, rödklöver och gräsfrö. [Establishment and weed management in organic growing of white clover, red clover and grass seed.] Runs 2005 - 2007. Project Leader(s): Andersson, Lars and Wallenhammar, Ann-Charlotte, Swedish University of Agricultural Sciences, SLU / The Rural Economy and Agricultural Societies. More information online at <http://ekoforsk.slu.se/en>.

{Project} Groning och tidig tillväxt hos ettåriga ogräs. [Germination and seedling ecology of annual weeds.] Runs 2002 - 2004. Project Leader(s): Milberg, Per, Linköping University.

{Project} Icke-kemisk ogräsreglering i radodlade grödor. [Physical weed control in row-grown vegetable crops.] Runs 2002 - 2004. Project Leader(s): Fogelberg, Fredrik, Swedish University of Agricultural Sciences, SLU. More information online at <http://ekoforsk.slu.se/en>.

{Project} Improving fertility management and weed control in sustainable lupin production in the UK (LISA). Runs 2004 - 2009. Project Leader(s): Jones, Raymond, Institute of Grassland and Environmental Research (IGER). More information online at <http://www.iger.bbsrc.ac.uk/Research/Projects/project_search.asp?1977>.

{Project} Isolering och identifiering av ogräshämmande substanser utsöndrade av korn. [Isolation and identification of weed suppressing factors secreted by barley.] Runs 2004 - 2008. Project Leader(s): Didon, Ulla, Swedish University of Agricultural Sciences, SLU.

{Project} Åkerböna och smalbladig lupin i samodling med stråsäd. [Intercropping of narrow- leafed lupin and field bean with cereals for grazing or whole crop silage.] Runs 2002 - 2004. Project Leader(s): Boström, Ullalena, Swedish University of Agricultural Sciences, SLU. More information online at <http://ekoforsk.slu.se/en>.

{Project} JPG project: Kombinert næringstilførsel og plantevern i økologisk grønnsakdyrking med lite husdyrgjødsel ved bruk av Jorddekke (Plantehakk) og Grønngjødslingsvekster (JPG-prosjektet). [Combined nutrient supply and weed control in organic vegetable growing without animal manure, by using surface mulch (chopped fresh plant material) and green manures (JPG project).] Runs 2003 - 2004. Project Leader(s): Løes, Anne-Kristin, Norwegian Centre for Ecological Agriculture.

{Project} Mechanical weed control for integrated and organic salad and brassica production. Runs 2005 - 2007. Project Leader(s): Grundy, Andrea, Warwick HRI. More information online at <http://www2.warwick.ac.uk/fac/sci/hri2/research/weedecologyandmanagement/hl0173lfv/>.

{Project} Neue Anbaustrategien zur Erhöhung der N-Effizenz und zur Reduzierung des Unkrautdruckes im ökologischen Landbau. [Novel cropping methods for increasing the N-efficiency and reducing the weedage in organic farming.] Runs 2004 - 2007. Project Leader(s): Bachinger, Dr. Johann, Leibniz-Zentrum für Agrarlandschafts- und Landnutzungsforschung e.V.. More information online at <http://www.bundesprogramm.de/fkz=03OE180>.

{Project} Ogräsreglering i ekologisk odling - en studie av åkermolke. [Weed control in organic farming - a study of perennial sow-thistle.] Runs 2005 - 2007. Project Leader(s): Lundkvist, Anneli, Swedish University of Agricultural Sciences, SLU. More information online at <http://ekoforsk.slu.se/en/>.

{Project} Ogräsreglering i ekologisk odling - en studie av åkermolke (Sonchus arvensis L.). [Weed control in organic farming - a study of sow-thistle (Sonchus arvensis L).] Runs 2005 - 2007. Project Leader(s): Fogelfors, Håkan, Swedish University of Agricultural Sciences. More information online at <http://ekoforsk.slu.se/en/>.

{Project} ØKOKORNSIP: Organic cropping systems for higher and more stable cereal yields. [Økologiske dyrkingssystem for høgare og meir stabile kornavlingar.] Runs 2003 - 2007. Project Leader(s): Eltun, Ragnar, Bioforsk Norwegian Institute of Agronomical and Environmental Research. More information online at <http://www.bioforsk.no/ViewPPP.aspx?view=project&id=256&viewLanguage=NorwegianBokmaal>.

{Project} Participatory investigation of the management of weeds in organic production systems (CTE0201). Runs 2002 - 2006. Project Leader(s): Turner, Dr Becky, Henry Doubleday Research Association. More information online at <http://www.gardenorganic.org.uk/organicweeds/index.php>.

{Project} Pflanzenschutz- und Düngetechnik im integrierten und biologischen Ackerbau sowie in Spezialkulturen. [Plant protection and fertilisation technique in integrated and organic arable farming and in special crops.] Runs 2003 - 2007. Project Leader(s): Irla, Edward, Agroscope FAT Taenikon, Swiss Federal Research Station for Agricultural Economics and Engineering, Taenikon, CH-8356 Ettenhausen. More information online at <http://www.aramis.admin.ch/Default.aspx?page=Texte&projectid=16026>.

{Project} Reglering av kvickrot genom konkurrens och avslagning. [Management of couchgrass by utilising plant competition and cutting.] Runs 2002 - 2004. Project Leader(s): Fogelfors, Håkan, Swedish University of Agricultural Sciences, SLU.

{Project} REPCLOV: Repeated clover subcropping as a strategy for commercial organic grain production. Runs 2002 - 2006. Project Leader(s): Eltun, Ragnar; Henriksen, Trond; Brandsæter, Lars Olav and Løes, Anne-Kristin, Bioforsk Norwegian Institute for Agricultural and Environmental Research.

{Project} Robust och kostnadseffektiv automatisering av mekanisk ogräsbekämpning i ekologisk sockerbetsodling. [Robust and cost-effective automation of mechanical weed control for the cultivation of organically grown sugar beets.] Runs 2003 - 2005. Project Leader(s): Åstrand, Björn and Baerveldt, Albert-Jan, Halmstad University. More information online at <http://www.hh.se/staff/bjorn/mech-weed/>.

{Project} Selection of genotypes with high N-use efficiency, weed competition and allelopathy in breeding materials of wheat and barley for organic farming. Runs 2004 - 2008. Project Leader(s): Didon, Ulla, Swedish University of Agricultural Sciences.

{Project} Stärkung der Ertragssicherheit und Rentabilität im biologischen Erdbeeranbau durch effektivere Unkrautkontrolle sowie Regulierung des Erdbeerblütenstechers und verschiedener Wurzelfäulen. [Stabilization of yield stability and profitability in organic strawberry cultivation through a more effective weed control management and also through the regulation and control of the strawberry blossom weevil and the Verticillium wilt complex.] Runs 2008 - 2011. Project Leader(s): Plagge, Jan; Dillmann, Klaus and Steen, Christiane, Bioland Beratung. More information online at <http://www.bundesprogramm.de/fkz=06OE148>.

{Project} Strategien zur Regulierung von Wurzelkräutern im Ökologischen Landbau - Derzeitiger Kenntnisstand und Ermittlung des Forschungsbedarfs. Runs 2002 - 2004. Project Leader(s): Böhm, Dr. Herwart, Bundesforschungsanstalt für Landwirtschaft. More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=02OE055/1>.

{Project} Untersuchungen zur biologischen Bekämpfung des Stumpfblättrigen Ampfers (Rumex obtusifolius L.) - Projektteil der BAL zu Projekt 1318. [Investigations about the biological control of the broad-leaved dock (Rumex obtusifolius L.) in grassland.] Runs 2004 - 2006. Project Leader(s): Bohner, Dr. Andreas, Bundesanstalt für alpenländische Landwirtschaft. More information online at <http://www.gumpenstein.at/index.php>.

{Project} Pflanzenschonende mechanische Bearbeitung des Pflanzstreifens bei Kernobst und Alternativen: Optimierung der bestehenden Verfahren unter arbeitswirtschaftlichen Gesichtspunkten auf verschiedenen Standorten und Bodentypen. [Mechanical soil treatment in pipfruit growing: Improvement of established methods on different locations and soil-types under consideration of economic aspects.] Runs 2004 - 2006. Project Leader(s): Benduhn, Bastian, Öko-Obstbau Norddeutschland Versuchs- und Beratungsring e.V., D-Jork. More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=03OE101>.

{Project} Strategien zur Regulierung von Wurzelunkräutern im ökologischen Landbau - Erarbeitung von Ansätzen für erfolgversprechende Strategien: Erarbeitung von Regulierungsansätzen am Beispiel der Acker-Kratzdistel. [Strategies to control perennial weeds in organic farming systems – developing approaches for promising strategies: approaches to control Cirsium arvense.] Runs 2002 - 2004. Project Leader(s): Verschwele, Dr. Arnd, Biologische Bundesanstalt für Land- und Forstwirtschaft. More information online at <http://www.bundesprogramm.de/fkz=02OE055/2>.

Report

Rasmussen, Ilse A. (Ed.) (1999) Plantebeskyttelse i økologisk jordbrug - rapport fra en workshop. FØJO-rapport, 4.

Anon, (2002) Growth and competition model for organic weed control.

Anon, (1998) Desk study on the control of weeds in organic arable and horticultural production systems OF0152. [ Unpublished, ]

Bachinger, Johann; Fischer, Holger and Stange, Gerlinde (2007) Neue Anbaustrategien zur Erhöhung der N-Effizenz und zur Reduzierung des Unkrautdruckes im ökologischen Landbau. [Novel cropping methods for increasing the N-efficiency and reducing the weedage in organic farming.] [ Unpublished, ]

Benduhn, Bastian; Renner, Ute; Rank, Harald and Zimmer, Jürgen (2006) Pflanzenschonende mechanische Bearbeitung des Pflanzstreifens bei Kernobst und Alternativen: Optimierung der bestehenden Verfahren unter arbeitswirtschaftlichen Gesichtspunkten auf verschiedenen Standorten und Bodentypen. [Mechanical soil treatment in pipfruit growing: Improvement of established methods on different locations and soil-types under consideration of economic aspects.] [ Unpublished, ]

Bischoff, Kai; Daniel, Götz; Hochmann, Jochen; Schleuß, Uwe; Seedler, Martin; Süncksen, Uwe; Techow, Edgar; Thaysen, Johannes; Thomsen, Thomas and Untiedt, Henning (2003) Aktuelles aus dem Ökologischen Landbau 2002 (Versuchsbericht Ökologischer Landbau) [Current trials and developments in organic agriculture 2002]. Mitteilungen der Landwirtschaftskammer, 569/03.

Böhm, Herwart and Finze, Jana (2004) Überprüfung der Effektivität der maschinellen Ampferregulierung im Grünland mittels WUZI unter differenzierten Standortbedingungen. [Verification of the effectiveness of the mechanical regulation of Rumex spp. with WUZI under different locational conditions.] [ Unpublished, ]

Böhm, Herwart and Finze, Jana (2003) Strategien zur Regulierung von Wurzelunkräutern im ökologischen Landbau - Situationsanalyse und Überprüfung von Ansätzen zur Regulierung der Ampfer-Arten. [Strategies to control perennial weeds in organic farming systems – present state of knowledge and further research requirements: situation analysis and review of attempts to control Rumex spp.] [ Unpublished, ]

Brockamp, Leona and Bastian, Benduhn (2009) Anbausysteme und Kulturführung im ökologischen Erdbeer- und Strauchbeerenanbau zur Erhöhung der Bestandssicherheit (inkl. Strategien gegen Verunkrautung) - Zwischenbericht 01.04.08 bis 31.03.09. [Cropping Systems and Management of Cultures at the Ecological Cultivation of Strawberries and Bush Berries for Increasing Crop Safety (incl. strategies against weed infestation).] [ Completed, ]

Brockamp, Leona and Benduhn, Bastian (2008) Anbausysteme und Kulturführung im ökologischen Erdbeer- und Strauchbeerenanbau zur Erhöhung der Bestandessicherheit (incl. Strategien gegen Verunkrautung) - Zwischenbericht 10.04.07 bis 31.03.08. [Cropping Systems and Management of Cultures at the Ecological Cultivation of Strawberries and Bush Berries for Increasing Crop Safety (incl. strategies against weed infestation).] [ Completed, ]

Frost, David (2003) Improving knowledge of pest and weed control in organic crop production in Wales.

Gruber, Harriet and Titze, Andreas (2008) Einfluss einer Kainit-Düngung auf Unkrautflora und Ertragsbildung bei Sommerweizen im ökologischen Landbau. [Influence of fertilizer "Kainit fein" on weeds and yield of summer wheat.]

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

Hansen, Preben Klarskov; Kristensen, Kristian and Rasmussen, Ilse A. (2005) Forsøgsbeskrivelse af specialforsøg BAROF WP2 2005. [Description of the specieal field experiment BAROF WP2 2005.]

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

Hansen, Preben Klarskov and Rasmussen, Ilse A. (2003) Design og sortsvalg i specialforsøg BAROF-WP2 – Ukrudtskonkurrence. [ Unpublished, ]

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

Hopkins, Mr Alan (1999) Cultural methods for controlling docks in organically farmed grassland (extension 1998-99) (OFT0115T). [ Unpublished, ]

J. P., Welsh; N. D., Tillett; M., Home and J. A., King (2002) A review of knowledge: inter-row hoeing & its associated agronomy in organic cereal & pulse crops.

Koesling, Matthias and Serikstad, Grete Lene (2007) Plantevern i vanlig og økologisk landbruk. Bioforsk TEMA, 12.

Kompetenzzentrum Ökolandbau, Niedersachsen (Hrsg.) (2006) Versuche im ökologischen Gemüsebau in Niedersachsen 2005 - Ergebnisse, Analysen, Empfehlungen. [Experiments in organic vegetable production in Lower Saxony in 2005.]

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

Kompetenzzentrum Ökolandbau, Niedersachsen (Hrsg.) (2003) Versuche im niedersächsischen Öko-Gemüsebau 2002 - Ergebnisse, Analysen, Empfehlungen. [Experiments in organic vegetable production in Lower Saxony in 2002.]

Kompetenzzentrum Ökolandbau Niedersachsen, (2007) Versuche im ökologischen Gemüsebau in Niedersachsen 2006 - Ergebnisse, Analysen, Empfehlungen. [Experiments in organic vegetable production in Lower Saxony in 2006.]

Kompetenzzentrum Ökolandbau Niedersachsen, (2005) Versuche im ökologischen Gemüsebau in Niedersachsen 2004 - Ergebnisse, Analysen, Empfehlungen. [Experiments in organic vegetable production in Lower Saxony in 2004.]

Laber, Hermann (2009) Ertragsverluste in Öko-Gemüseerbsen lagen in Abhängigkeit von der Unkrautmasse zwischen 0 und 49 %. [Yield reduction in organically grown vining peas amounted to 0 to 49 % depending on weed matter.] [ Completed, ]

Landwirtschaftskammer Hannover, (2003) Versuchsbericht zum Öko-Landbau 2002. [Report on experiments on organic agriculture in 2002.]

Mücke, Markus and Meyercordt, Armin (2006) Maisanbau auf suboptimalen Standorten - Einfluss variierter Reihenweiten und Auswirkungen einer Dammkultur auf die Ertrags- und Qualitätsleistungen des Maises bei gleichzeitig variierter Beikrautregulierung. [Organic maize cultivation on suboptimal locations.] [ Unpublished, ]

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

Nyberg, Anna and Lindén, Börje (2000) Dokumentation av ekologiska växtodlingsgårdar i Västra Sverige 1996-98. [Documentation of organic arable farms in west Sweden 1996-98.] Reports from Department of Agricultural research Skara, Series B Crops and soils, 6.

Preston, Keith (2008) Management & sustainability of stockless organic arable and horticultural systems.

Sächsische Landesanstalt für Landwirtschaft, (2003) Versuchsbericht 2002 der Sächsischen Landesanstalt für Landwirtschaft [Report on trials in 2002 carried out at the Agricultural Research Center of Saxonia].

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, 82. ^*

Schmidt, Harald (2003) Viehloser Ackerbau im ökologischen Landbau - Evaluierung des derzeitigen Erkenntnisstandes anhand von Betriebsbeispielen und Expertenbefragungen. [Arable Organic Farming - Evaluation of the present state of knowledge on the basis of case studies and expert surveys.] [ Unpublished, ]

Stumm, C. and Brenner, S. (Red.) (2003) Dokumentation 10 Jahre Leitbetriebe Ökologischer Landbau in Nordrhein-Westfalen. [Documentation: 10 years model farms organic agriculture in North Rhine-Westphalia.] Schriftenreihe des Lehr- und Forschungsschwerpunktes „Umweltverträgliche und Standortgerechte Landwirtschaft“, 105.

Stumm, Christoph and Köpke, Ulrich (2008) Untersaaten in Kartoffeln: Reduzierung der Spätverunkrautung, Minderung hoher Restnitratmengen. Informationen für Beratung und Praxis.

Svanäng, K.; Roempke, G.; Eriksson, G.; Johansson, L-B.; Lund, T.; Karlsson, L.; Öhman, T.; Ihrsén, J.; Pettersson, O.; Eriksson, K. and Jacobsson, C. (2002) Deltagardriven forskning – Växtodlingsgruppen, resultat och utvärdering av arbetet under 1998 till 2001. [Participatory research - the crop production group, results and evaluation of the work during 1998 till 2001.] Ekologiskt lantbruk, 35.

Taulet, Annick; Traentle, Marie and Mazollier, Catherine (2006) Comparaison de paillages biodégradables : compte-rendu d'essai 2005. [Comparison of biodegradable mulches : annual report 2005.]

Verschwele, Arnd; Häusler, Andreas; Pallutt, Bernhard and Engelke, Thomas (2003) Strategien zur Regulierung von Wurzelunkräutern im ökologischen Landbau - Erarbeitung von Ansätzen für erfolgversprechende Strategien: Erarbeitung von Regulierungsansätzen am Beispiel der Acker-Kratzdistel. [Strategies to control perennial weeds in organic farming systems – developing approaches for promising strategies: approaches to control Cirsium arvense.] [ Unpublished, ]

Wynen, Els (1990) Sustainable and Conventional Agriculture in South-Eastern Australia - A Comparison. Economics Research Report, 90.1.

Zillger, Christine; Dehe, Margit; Postweiler, Karin and Hoos, Sabine (2006) Mechanische Unkrautbekämpfung im ökologischen Landbau - Zwischenbericht 2005. [Mechanical weed control in organic farming - Report 2005.] Projektbericht.

Zillger, Christine; Postweiler, Karin; Dehe, Margit and Tschöpe, Beate (2007) Mechanische Unkrautbekämpfung im ökologischen Landbau - Zwischenbericht 2006. [Mechanical weed control in organic farming - Report 2006.]

Report chapter

Berg, Martin; Schenke, Holger; Eisele, Jons; Leisen, Edmund and Paffrath, Andreas (2003) Getreidebau. [Grain growing.] In: Dokumentation 10 Jahre Leitbetriebe Ökologischer Landbau in Nordrhein-Westfalen, pp. 45-63.

Hansen, Preben Klarskov (2006) Beregning af konkurrenceindeks (KI). [Calculation of competitive index (KI).] In: Deneken, Gerhard and Pedersen, Jon Birger (Eds.) Sortsforsøg 2006. Korn bælgsæd og olieplanter, 7, 21, 27-28 & 31.

Hansen, Preben Klarskov (2005) Beregning af konkurrenceindeks (KI). [Calculation of competitive index (KI).] In: Deneken, Gerhard and Pedersen, Jon Birger (Eds.) Sortsforsøg 2005. Korn bælgsæd og olieplanter, 7, 21 & 31.

Hansen, Preben Klarskov (2003) Beregning af konkurrenceindeks (KI). [Calculation of competitive index (KI).] In: Deneken, Gerhard and Pedersen, Jon Birger (Eds.) Sortsforsøg 2003. Korn bælgsæd og olieplanter, p. 7.

Rasmussen, Ilse A.; Askegaard, Margrethe and Olesen, Jørgen E. (1999) Ukrudt i økologiske kornsædskifteforsøg. In: 16. Danske Planteværnskonference, Plantebeskyttelse i økologisk jordbrug, Sygdomme og skadedyr, Danmarks JordbrugsForskning, pp. 17-28.

Rasmussen, Ilse A.; Melander, Bo; Rasmussen, Karsten and Rasmussen, Jesper (1997) Regulering af ukrudt. In: Kristensen, Erik Steen (Ed.) Økologisk Planteproduktion, Danmarks JordbrugsForskning, chapter 5, pp. 63-86.

Research Programme description

{Programme part} Formas I: Ekologisk jordbruks- och trädgårdsproduktion, Formasprogrammet 2001-2004 - växtodling. [Organic agricultural and horticultural production, Formas programme 2001-2004 - Crop production.] Runs 2001 - 2004. Programme Leader(s): UNSPECIFIED. More information online at <http://www.cul.slu.se/forskning/programoproj/formasprog.html>.

Research facility description

{Facility} Langzeitversuch Darmstadt. [Long-term trial Darmstadt.] Start 1980. Facility Leader(s): Raupp, Dr Joachim, IBDF - Institut für Biologisch-Dynamische Forschung e.V.. More information online at <http://www.biodynamic-research.net/rf/b/ltt/lvda1>.

{Facility} Wiebrechtshausen: Organic farm KWS Klostergut Wiebrechtshausen GmbH. Facility Leader(s): Altenweger, Axel, organic farming.

Thesis

Andersen, Mette Klindt (2005) Competition and complementarity in annual intercrops - the role of plant available nutrients. Thesis, The Royal Veterinary and Agricultural University, Copenhagen, Denmark, Department of Soil Science.

Grimsby, Lars Kåre (2005) Measurement of microbial numbers, activity, biomass and diversity as a response to different methods of treatment of Tanzanian soil. Thesis, Norwegian University of Life Sciences, Department of Chemistry, Biotechnology and Food sciences. [ Unpublished, ]

Kristiansen, Paul Erik (2003) Sustainable Weed Management in Organic Herb and Vegetable Production. Thesis, University of New England, School of Rural Science and Agriculture. [ Unpublished, ]

Laber, Hermann (1999) Effizienz mechanischer Unkrautregulationsmaßnahmen im Freilandgemüsebau. [Efficiency of mechanical weed control methods in field vegetable farming.] Thesis, Universität Hannover / Germany, Fachbereich Gartenbau.

Lukashyk, Pavel (2005) Problemunkräuter im Organischen Landbau: Entwicklung von Strategien zur nachhaltigen Regulierung von Ackerkratzdistel Cirsium arvense (L.) Scop. und Rauhhaarige Wicke Vicia hirsuta (L.) S. F. Gray. [Noxious weeds in Organic Agriculture: Development of strategies for sustainable control of Canada thistle Cirsium arvense (L.) Scop. and hairy tare Vicia hirsuta (L.) S. F. Gray.] Thesis, Institut für Organischen Landbau, Universität Bonn.

Rendtorff, Janne and Holm, Høgni (2004) Påvirkninger af ukrudt og sygdom på udbyttet af økologiske sortsblandinger. [The effects on yield of oprganically grown variety mixtures by weed and disease.] Thesis, Roskilde Universitetscenter, Hus 13.2. [ Unpublished, ]

Web product

Bertelsen, Inger and Rasmussen, Ilse A. (2004) Ukrudtets udvikling i de økologiske sædskifteforsøg. [Development in weed infestation in organic trials with crop rotations.] Online at <http://www.lr.dk/planteavl/diverse/oekovaerk_ukrudtets_udvikl.htm>, May 2004. Landscentret, Planteavl, under Dansk Landbrugsrådgivning, er med til at formidle resultater fra forskning og forsøg på de økologiske værkstedsarealer under FØJO. På hjemmesiden samler vi artikler om udvalgte temaer fra forsøgene, og forsøger at give et overblik over hvilke problemer og emner forskerne arbejder med.

Davies, Dr Gareth; Turner, Dr Becky and Bond, Dr Bill (2006) Organic Weed Management Website. Online at <http://www.organicweeds.org.uk>, 2006. HDRA website on weed management.

Halberg, Niels; Nørremark, Michael; Melander, Bo and Jokumsen, Alfred (2009) ICROFS news 1/2009: International newsletter from ICROFS. Online at <http://www.icrofs.org/pdf/icrofsnews/2009_1.pdf>, February 2009. ICROFS official website.

Lichtenhahn, Martin and Koller, Martin (2004) Gemüsebau. Online at <http://www.oekolandbau.de/index.cfm?0004264C05401F6BBBAC6521C0A8D816>, January 2004. Abgerufen am 23. Juni 2004
Die Texte wurden im Rahmen des Bundesprogramms Ökologischer Landbau für das Zentrale Internetportal Ökologischer Landbau (www.oekolandbau.de) erstellt.

Mejnertsen, Peter (2004) Blandsæd giver dig flere muligheder i dit markbrug. [Intercropping gives you more posibilities in your arable crop production.] Online at <http://www.lr.dk/planteavl/diverse/oekovaerk_blandsaed.htm>, September 2004. Landscentret, Planteavl, under Dansk Landbrugsrådgivning er med til at formidle resultater fra forskning og forsøg på de økologiske værkstedsarealer under FØJO. På hjemmesiden samler vi artikler om udvalgte temaer fra forsøgene, og forsøger at give et overblik over hvilke problemer og emner forskerne arbejder med.

Melander, Bo (2009) Almindelig kvik. Online at <http://www.okologi.dk/Landmand/Projekter/Rodukrudt/Rodukrudt-typer/kvik.asp>, 2009.

Melander, Bo (2009) Kruset skræppe. Online at <http://www.okologi.dk/Landmand/Projekter/Rodukrudt/Rodukrudt-typer/skraeppe.asp>, 2009.

Thomsen, Henning C. and Rasmussen, Ilse A. (2008) Anlæggelse af forsøg på Jyndevad Forsøgsstation. [Treatment of experiments at Jyndevad Experimental Station.] Online at <http://www.okologgen.dk/index.php?page_id=62>, 2008. Accessed 24. September 2008.

Working paper

Gerlach, Florian (2003) Übersicht über Homepages und Dokumentdatenbanken der "Arbeitsgruppe Versuchsansteller im Ökologischen Landbau" im "Verband der Landwirtschaftskammern e.V." (VLK) und ihrer Mitglieder. [Chart of websites and online-databases containing reports by the "working group of experimental stations for organic agriculture" and its members.] Working paper. [ Unpublished, ]

Hansen, Preben Klarskov (2007) Using multi-temporal sensor-based measurements in early growth stages to estimate potential yield of spring barley (Hordeum vulgare L.) varieties in competition with weeds. Working paper, Department of Integrated Pest Management, University of Aarhus, Faculty of Agricultural Sciences. [ Unpublished, ]

Østergård, H.; Kristensen, K.; Willas, J.; Pinnschmidt, H.; Hansen, P.K. and Hovmøller, M.S. (2006) Influence of varietal characteristics, disease load and weed infestation on grain yield of spring barley in low input cropping systems. Working paper. [ Unpublished, ]

Østergård, Hanne (2008) Discussion documents – SUSVAR Visions Workshop, Karrebæksminde, Denmark, April 2008. Working paper. [ Unpublished, ]

This list was generated on Mon Nov 23 03:49:19 2009 CET.