Subject Area: Weed management
- Subject Areas (7224)
- Crop husbandry (3199)
- Weed management (400)
- Crop husbandry (3199)
Number of eprints: 400.
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. http://www.cost860.dk/activities/workshops/Production/doc/PROCEEDINGS-LaBesse-June06.pdf. ITAB, Paris.
Häseli, Andreas, Eds. (2006) Fachtagung Bioobstbau 2006 [Proceedings of the FiBL Organic Fruit Seminar 2006]. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.
Häseli, Andreas, Eds. (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. Landbauforschung Völkenrode - Sonderheft no. 255. 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. Berichte aus der Biologischen Bundesanstalt, Heft no. 95. Saphir Verlag, D-Ribbesbüttel.
Bernhard Pallutt, Biologische Bundesanstalt für Land- und Forstwirtschaft, Braunschweig, Eds. (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". Berichte aus der Biologischen Bundesanstalt, Heft no. 104. Saphir Verlag, D-Ribbesbüttel.
Rasmussen, Ilse A., Eds. (1999) Plantebeskyttelse i økologisk jordbrug - rapport fra en workshop. FØJO-rapport no. 4, Forskningscenter for Økologisk Jordbrug.
{PROJECT} Advance automation technologies for sustainable agricultural production. Runs 01 October 2002 - 31 July 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 01 March 2004 - 31 October 2006. Project leader(s): Paulsen, Dr. Hans Marten, Bundesforschungsanstalt für Landwirtschaft. More information online at <http://www.bundesprogramm-oekolandbau.de/projekt_03oe113.html>.
{PROJECT} Automatisering av mekanisk ogräsbekämpning [Automation of mechanical weed control]. Runs 01 January 2002 - 31 December 2003. Project leader(s): Baerveldt, Albert-Jan, Halmstad University.
{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 01 January 2002 - 31 December 2004. Project leader(s): Boström, Ullalena, Swedish University of Agricultural Sciences, SLU. More information online at <http://ekoforsk.slu.se/en>.
{PROJECT} Überprüfung der Effektivität der maschinellen Ampferregulierung im Grünland mittels WUZI unter differenzierten Standortbedingungen. Runs 24 May 2004 - 30 November 2004. Project leader(s): Böhm, Dr. Herwart, Bundesforschungsanstalt für Landwirtschaft. More information online at <http://www.bundesprogramm-oekolandbau.de/projekt_04oe019.html>.
{PROJECT} Biologische Regulierung der Ackerkratzdistel [Biocontrol of the creeping thistle]. Runs 01 May 2003 - 31 July 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 08 November 2003 - 31 December 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-research.ch/d/16015.html?config=htdig.d&method=and&words=04.13.2.2&keywords=&matchesperpage=10&search_algorithm=exact%3A1%20substring%3A0.75%20accents%3A0.5&fostvalue=%28alle%29&nabsvalue=%28alle%29>.
{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 01 January 2006 - 31 December 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 01 October 2002 - 31 July 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 01 January 2003 - 30 December 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>.
{PROGRAMME PART} Formas I: Ekologisk jordbruks- och trädgårdsproduktion, Formasprogrammet 2001-2004 - växtodling [Organic agricultural and horticultural production, Formas programme 2001-2004 - Crop production]. Runs 01 July 2001 - 31 December 2004. More information online at <http://www.cul.slu.se/forskning/programoproj/formasprog.html>.
{PROJECT} Elemente der Automatisierung in der Agrartechnik [Elements of automation in agricultural engineering]. Runs 11 November 2003 - 31 December 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-research.ch/d/16052.html?config=htdig.d&method=and&words=04.42.01.06&keywords=&matchesperpage=10&search_algorithm=exact%3A1%20substring%3A0.75%20accents%3A0.5&fostvalue=%28alle%29&nabsvalue=%28alle%29>.
{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 01 January 2005 - 31 December 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 01 January 2002 - 31 December 2004. Project leader(s): Milberg, Per, Linköping University.
{PROJECT} Icke-kemisk ogräsreglering i radodlade grödor [Physical weed control in row-grown vegetable crops]. Runs 01 January 2002 - 31 December 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 01 January 2004 - 31 March 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 01 August 2004 - 31 August 2008. Project leader(s): Didon, Ulla, Swedish University of Agricultural Sciences, SLU.
{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 01 January 2003 - 31 December 2004. Project leader(s): Løes, Anne-Kristin, Norwegian Centre for Ecological Agriculture.
{FACILITY} Langzeitversuch Darmstadt [Long-term trial Darmstadt]. More information online at <http://www.ibdf.de/v1>.
{PROJECT} Mechanical weed control for integrated and organic salad and brassica production. Runs 01 April 2005 - 31 March 2007. Project leader(s): Grundy, Andrea, Warwick HRI. More information online at <http://www2.warwick.ac.uk/fac/sci/hri2/research/weedecologyandmanagement/hl0173lfv/>.
{PROJECT} Ogräsreglering i ekologisk odling - en studie av åkermolke [Weed control in organic farming - a study of perennial sow-thistle]. Runs 01 January 2005 - 31 December 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 01 January 2005 - 31 December 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 01 January 2003 - 31 December 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>.
{FACILITY} Wiebrechtshausen: Organic farm KWS Klostergut Wiebrechtshausen GmbH.
{PROJECT} Participatory investigation of the management of weeds in organic production systems (CTE0201). Runs 01 August 2002 - 29 July 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 11 November 2003 - 31 December 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-research.ch/d/16026.html?config=htdig.d&method=and&words=04.42.01.04&keywords=&matchesperpage=10&search_algorithm=exact%3A1%20substring%3A0.75%20accents%3A0.5&fostvalue=%28alle%29&nabsvalue=%28alle%29>.
{PROJECT} Reglering av kvickrot genom konkurrens och avslagning [Management of couchgrass by utilising plant competition and cutting]. Runs 01 January 2002 - 31 December 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 01 January 2002 - 31 December 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 01 January 2003 - 31 December 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 01 July 2004 - 30 June 2008. Project leader(s): Didon, Ulla, Swedish University of Agricultural Sciences.
{PROJECT} Strategien zur Regulierung von Wurzelkräutern im Ökologischen Landbau - Derzeitiger Kenntnisstand und Ermittlung des Forschungsbedarfs. Runs 01 May 2002 - 29 February 2004. Project leader(s): Böhm, Dr. Herwart, Bundesforschungsanstalt für Landwirtschaft. More information online at <http://www.bundesprogramm-oekolandbau.de/projekt_02oe055_1.html>.
{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 01 January 2004 - 31 December 2006. Project leader(s): Bohner, Dr. Andreas, Bundesanstalt für alpenländische Landwirtschaft. More information online at <http://www.gumpenstein.at/index.php>.
(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]. Poster presented at 8. Wissenschaftstagung Ökologischer Landabau - Ende der Nische, Kassel, 1.3.2005 - 4.3.2005; Published in Heß, J and Rahmann, G, Eds. Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau.
(2005) Competition and complementarity in annual intercrops - the role of plant available nutrients. Ph.D. Thesis, Department of Soil Science, The Royal Veterinary and Agricultural University, Copenhagen, Denmark. Samfundslitteraur Grafik, Frederiksberg, Copenhagen.
(2005) Selvsået raps gav pænt udbytte [Self-sown oilseed rape gave high yield ]. In Økologisk Jordbrug, 18. November, Volume 348, page 10.
(2002) Growth and competition model for organic weed control. Report, Wellesbourne, Horticulture Research International.
(1998) Desk study on the control of weeds in organic arable and horticultural production systems OF0152. Report, Horticulture Research International.
(2006) Rodukrudt hører ikke hjemme i økologisk planteproduktion [Perennial weeds are undesirable in organic agriculture]. [oral] Presentation at Kan høj produktion og lav miljøbelastning forenes i økologisk jordbrug?, Forskningscenter Foulum, 22. juni 2006.
(2004) ØKOLOGISKE SÆDSKIFTER TIL PRODUKTION AF KORN [Organic crop rotations for cereal production]. Grøn Viden Markbrug(298):pp. 1-20.
(2005) Verunkrautung in einer ökologischen Fruchtfolge [Weed infestation in an ecological crop rotation system]. Poster presented at 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005; Published in Heß, J and Rahmann, G, Eds. Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau.
(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.]. Poster presented at Att navigera i en ny tid. Ekologiskt lantbruk., Ultuna, Uppsala, Sweden, 22-23 November 2005; Published in Ekologiskt lantbruk konferens 22-23 november 2005. Ultuna, Uppsala. Sammanfattningar av föredrag och postrar. SLU. Centrum för uthålligt lantbruk., page pp. 329-329.
(2006) Influence of varietal characteristics, disease load and weed infestation on grain yield of spring barley in low input cropping systems . Working Paper.
(2006) Genetic potential for grain yield in spring barley varieties and variety mixtures in variable organic environments. Paper presented at Joint Organic Congress, Odense, Denmark, May 30-31, 2006..
(2006) Mechanical weeding effects on soil structure under organic vegetables. Paper presented at Joint Organic Congress, Odense, Denmark, May 30-31, 2006..
(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]. Report, Institut für ökologischen Landbau (OEL), Bundesforschungsanstalt für Landwirtschaft (FAL), Westerau.
(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.]. Report, Institut für ökologischen Landbau, Bundesforschungsanstalt für Landwirtschaft.
(2004) Ampfer- und Distelbekämpfung im Ökolandbau [Control of Rumex spp. and Cirsium arvense in organic farming]. Landbauforschung Völkenrode Sonderheft 273:pp. 39-47.
(2004) Ampfer- und Distelbekämpfung im Ökologischen Landbau [Control of Rumex spp. and Cirsium arvense in organic farming]. Paper presented at Statusseminar Ressortforschung für den ökologischen Landbau 2004, Klein Machnow, 5. März 2004; Published in Rahmann, Gerold and Kühne, Stefan, Eds. Ressortforschung für den Ökologischen Landbau 2004, page pp. 39-48. Sonderhefte der Landbauforschung Völkenrode 273. Bundesforschungsanstalt für Landwirtschaft (FAL).
(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)..
(2007) Das Anbaukonzept Weite Reihe bei verschiedenen Druschkulturen unter Berücksichtung des Vorfruchtwertes . Paper presented at Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.
(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]. Paper presented at 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur, Wien - Institut für ökologischen Landbau, 24. - 26.02.2003; Published in Freyer, Bernhard, Eds. Ökologischer Landbau der Zukunft: Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, page pp. 117-119.
(2006) Glucosinolate hydrolysis products for weed control. Paper presented at Joint Organic Congress, Odense, Denmark, 30-31 May 2006; Published in Proceedings of the Joint Organic Congress.
(2006) Glucosinolate hydrolysis compounds for weed control. Paper presented at Joint Organic Congress, Odense, Denmark, May 30-31, 2006..
(2003) Getreidebau [Grain growing], in Dokumentation 10 Jahre Leitbetriebe Ökologischer Landbau in Nordrhein-Westfalen. Schriftenreihe des Lehr- und Forschungsschwerpunktes „Umweltverträgliche und Standortgerechte Landwirtschaft“ no. 105, page pp. 45-63. Landwirtschaftliche Fakultät der Rheinischen Friedrich-Wilhelms-Universität Bonn.
(2005) EFFECTS OF REDUCED TILLAGE, FERTILISATION AND BIODYNAMIC PREPARATIONS ON CROP YIELD, WEED INFESTATION AND THE OCCURRENCE OF TOXIGENIC FUSARIA . Paper presented at Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005.
(28. May 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>. 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.
Landwirtschaftskammer Schleswig-Holstein, , Eds. (2003) Aktuelles aus dem Ökologischen Landbau 2002 (Versuchsbericht Ökologischer Landbau) [Current trials and developments in organic agriculture 2002]. Mitteilungen der Landwirtschaftskammer no. 569/03, Landwirtschaftskammer Schleswig-Holstein.
(2002) Aspects of steaming the soil to reduce weed seedling emergence. Paper presented at 12th EWRS Symposium 2002, Papendal, Arnhem, The Netherlands, 24-27 June 2002; Published in Proceedings of the 12th EWRS Symposium 2002, page pp. 236-237.
(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.
(2002) The effect of grasses grown for seed in mixture with legumes on the incidence of weeds and soil nitrogen content. Paper presented at UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002; Published in Powell, Jane and et al., , Eds. Proceedings of the UK Organic Research 2002 Conference, page pp. 53-54. Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth.
(2007) Indicators of weed competition on Organic Winter Wheat. Poster presented at 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.
(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.
(2006) Constraints to the sustainability of a stockless arable rotation. Paper presented at What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. Association of Applied Biologists.
(2002) Effect of mowing a legume fertility-building crop on shoot numbers of creeping thistle (Cirsium arvense (L.) Scop.) . Paper presented at UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002; Published in Powell, Jane and et al., , Eds. Proceedings of the UK Organic Research 2002 Conference, page pp. 225-226. Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth.
(2002) WECOF: A new project developing enhanced weed control through improved crop and plant architecture. Paper presented at UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002; Published in Powell, Jane and et al., , Eds. Proceedings of the UK Organic Research 2002 Conference, page pp. 299-302. Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth.
(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, chapter 5, page pp. 77-114. Chalcombe Publications.
(2006) Knowledge development for organic systems: An example of weed management. Poster presented at What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006; Published 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, page pp. 107-110.
(2006) Organic Weed Management Website. Online at <http://www.organicweeds.org.uk>. HDRA website on weed management
(2006) Pea-barley intercropping for the control of weeds in European organic cropping systems. Paper presented at Joint Organic Congress, Odense, Denmark, May 30-31, 2006..
(2000) Abflammen. Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.
(2004) Ackerkratzdistel - Erfolgreich regulieren im ökologischen Landbau [Thistle - how to regulate them on organic farming]. Merkblatt. Forschungsinstitut für biologischen Landbau (FiBL), CH-Frick.
(2004) Ackerkratzdistel. Wie regulieren im Biobetrieb? [Thistles - how to manage them in organic farming]. Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.
(2002) Potential and historical Uses for bracken (Pteridium aquilinum (L.) Kuhn) in organic agriculture. Paper presented at UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002; Published in Powell, Jane and et al., , Eds. Proceedings of the UK Organic Research 2002 Conference, page pp. 255-256. Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth.
(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]. Paper presented at 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur, Wien - Institut für ökologischen Landbau, 24.-26.02.2003; Published in Freyer, Bernhard, Eds. Ökologischer Landbau der Zukunft - Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, page pp. 105-109.
(2003) Auswirkungen reduzierter Hofdüngergaben im Bioackerbau [Effects of reducing farm yard manure in organic arable farming]. Bioaktuell(9/03):pp. 6-7.
(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 ]. Paper presented at 6. Wissenschaftstagung zum Ökologischen Landbau - Von Leit-Bildern zu Leit-Linien, Freising-Weihenstephan, 06.-08.03.2001; Published in Reents, Hans Jürgen, Eds. Von Leit-Bildern zu Leit-Linien: Beiträge zur 6. Wissenschaftstagung zum Ökologischen Landbau, Freising. Verlag Dr. Köster, Berlin.
(2003) Livet i jorden, in Holmstrup, M., Eds. Økologisk landbrug og naturen - gør økologisk landbrug en forskel for natur og miljø?, chapter 2, page pp. 21-31. Miljøbiblioteket 1. Gads Forlag.
(2004) Ampfer erfolgreich kontrollieren [Dock: Successful control]. Bioland(1):pp. 24-25.
(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.
(2003) Strategien zur Ampferbekämpfung im Grünland [Strategies of dock control in grassland]. Paper presented at 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Wien, 24.-26.2.2003; Published in Freyer, Bernhard, Eds. Ökologischer Landbau der Zukunft - Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, page pp. 603-604. Universität für Bodenkultur Wien - Institut für ökologischen Landbau.
(2003) Dormancy of vegetative reproduction in some perennial weeds. Paper presented at Nordic Association of Agricultural Scientists 22nd Congress, Turku, Finland, July 1-4; Published in Niemeläinen, Oiva and Topi-Hulmi, Mari, Eds. Nordic Agriculture in Global Perspective, page 97. Tampere University Print, Tampere Finland.
(2003) Improving knowledge of pest and weed control in organic crop production in Wales. Report, Organic Centre Wales.
(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.
(2007) Weed Management in Organic Farming in the New EU Member States and the Acceding Countries - Status Quo and Main Limitations. Poster presented at 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.
(2004) Erfaringer med tidselbekæmpelse på Flakkebjerg. Paper presented at Planteproduktion 2004, Herning, 13-14 January 2004; Published in Månedmagasinet Mark 1, page pp. 57-58.
(2003) Bekæmpelse af Ager-Tidsel i sædskiftet. In Aktuel Økologi, September, No 7, page pp. 4-5. Familie Landbruget.
(2005) Mechanical control of Cirsium arvense in organic farming. Paper presented at 13. European Weed Research Society Symposium, Bari, Italy, 20-23 June.
(2004) Regulering af rodukrudt.
(2004) Effect of repeated hoeing on growth of Cirsium arvense. Paper presented at XII International Conference on Weed Biology, Dijon, France, 30 August - 2 September 2004; Published in XII International Conference on Weed Biology, page pp. 107-112.
(2005) Mechanical and cultural strategies to control Cirsium arvense. Weed Research(46):pp. 304-312.
(2003) Ager Tidsel kan bekæmpes uden kemi. In Landbrugsavisen, 22. August, page pp. 28-28.
(2003) Succesfuld bekæmpelse af Ager-Tidsel - uden kemi. In Nyhedsbrevet Danmarks JordbrugsForskning, July, No 3, page pp. 1-2. Danmarks JordbrugsForskning.
(2003) Tidslerne får det glatte lag. In Økologisk Jordbrug, 27. June, No 292, page 15. Økologisk Landsforening.
(2003) Har Ager-Svinemælk og Ager-Tidsel skudhvile?. Poster presented at Dansk Plantværnskonference; Published in DJF rapport - Markbrug(89), page pp. 357-358.
(2004) Seed mapping of sugar beet to guide weeding robots. Poster presented at 6th Workshop of the EWRS Working Group 'Physical and Cultural Weed Control', Lillehammer, Norway, 8th March 2004.
(2002) Positionering af frø og afgrøderækker med RTK-GPS [Referencing of crop plants and rows by RTK-GPS]. Paper presented at Teknik i Landbruget, SCC Aarhus, Denmark, 21-22 March, 2002; Published in Proceedings, page pp. 51-52. Landbruget Rådgivningscenter, Skejby.
(2005) Seed Mapping of Sugar Beet. journal 6(2). Online at <http://www.ingentaconnect.com/content/klu/prag/2005/00000006/00000002/00001032;jsessionid=1s3t73ohdg6a6.victoria>
(2003) Individual plant care in cropping systems. Paper presented at 4th European Conference on Precision Agriculture, Berlin, Germany, July 2003, page pp. 247-251. Wageningen Academic Publishers.
(2005) Measurement of microbial numbers, activity, biomass and diversity as a response to different methods of treatment of Tanzanian soil. Master thesis, Department of Chemistry, Biotechnology and Food sciences, Norwegian University of Life Sciences.
(2003) Emergence of Chenopodium album and Stellaria media of different origins under different climatic conditions. Weed Research 43(3):pp. 163-176.**
(2002) Emergence of Chenopodium album and Stellaria media under different climatic conditions. Paper presented at 12th EWRS (European Weed Research Society) Symposium, Papendal, Arnhem, the Netherlands, 24-27 June 2002; Published 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, page pp. 264-265. EWRS Bookstore, Postbus 28, NL-6865 ZG Doorwerth, The Netherlands.**
(2002) Horticultural weed control in organic systems – a modelling approach . Paper presented at UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002; Published in Powell, Jane and et al., , Eds. Proceedings of the UK Organic Research 2002 Conference, page pp. 295-298. Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth.
(2006) TOLERANCE OF CEREALS TO POST- EMERGENCE WEED HARROWING. Paper presented at THIRD INTERNATIONAL CONFERENCE ON NON CHEMICAL CROP PROTECTION METHODS, Lille, France, 13-15 March 2006; Published in Proceedings from AFPP (on CD-rom). Association française de protection des plantes (AFPP).
(2004) Kontroll av potatisbladmögel inom ekologisk produktion. Paper presented at "Uppdatera dina kunskaper inom ekologin" : ekoseminar i S:t Michel 28.7.2004, page pp. 13-14. Ekoneum.
(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.
(2006) Beregning af konkurrenceindeks (KI) [Calculation of competitive index (KI)], in Deneken, Gerhard and Pedersen, Jon Birger, Eds. Sortsforsøg 2006. Korn bælgsæd og olieplanter. Report, page 7, 21, 27-28 & 31. Danmarks JordbrugsForskning og Dansk Landbrugsrådgvning, Landcentret, Planteavl.
(2005) Beregning af konkurrenceindeks (KI) [Calculation of competitive index (KI)], in Deneken, Gerhard and Pedersen, Jon Birger, Eds. Sortsforsøg 2005. Korn bælgsæd og olieplanter. Report, page 7, 21 & 31. Danmarks JordbrugsForskning og Dansk Landbrugsrådgvning, Landcentret, Planteavl.
(2005) Forskelle i bygsorters tolerance overfor ukrudtsharvning [Differences in tolerance to weed harrowing by spring barley varieties]. FØJOenyt 2. Online at <http://www.foejo.dk/enyt2/enyt/apr05/harvning.html>
(2005) Suggested outline of the thesis "Crop-Weed interactions determined by sensor techniques"(COMSENS). Paper presented at Midtterm Seminar, KVL, 25. October 2005, page pp. 1-2.
(2005) Tolerance to weed harrowing in spring barley genotypes. Poster presented at 13th European Weed Research Society (EWRS) Symposium, Bari, Italy, 20-23 June 2005; Published in Proceedings from the 13th European Weed Research Society (EWRS) Symposium.
(2004) Beregning af konkurrenceindeks i vinterhvede og vårbyg (KI) [Calculation of competitive index for winter wheat and spring barley]. Danmarks JordbrugsForskning og Dansk Landbrugsrådgivning, Landscentret, Planteavl.
(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)". Report, Department for Crop Protection, Danisk institute og Agricultural Sciences.
(2003) Beregning af konkurrenceindeks (KI) [Calculation of competitive index (KI)], in Deneken, Gerhard and Pedersen, Jon Birger, Eds. Sortsforsøg 2003. Korn bælgsæd og olieplanter. Report, page 7. Danmarks JordbrugsForskning og Dansk Landbrugsrådgvning, Landcentret, Planteavl.
(2005) Forsøgsbeskrivelse af specialforsøg BAROF WP2 2005 [Description of the specieal field experiment BAROF WP2 2005]. Report, Department of Integrated Pest Management, Danish Institute of Agricultural Sciences.
(2004) Forsøgsbeskrivelse af specialforsøg BAR-OF WP2 2004. Report, Afdeling for Plantebeskyttelse, Danmarks JordbrugsForskning.
(2007) A weed suppressive index for spring barley (Hordeum vulgare L.) varieties. Weed Research Oxford.
(2006) A suppressive index for spring barley varieties. [preprint]
(2006) Forskellige sorters konkurrenceevne overfor ukrudt [Competitiveness in different varieties against weeds]. Paper presented at 3. Danske Plantekongres, Herrning, 10.-11. Januar 2006; Published in Sammendrag af indlæg 3. Danske Plantekongres. Herrning 10.-11. Januar 2006, page pp. 342-343. Danmarks JordbrugsForskning & Landcentret.
(2005) Sorters vekselvirkning med miljøet, betydning af mekanisk ukrudtsbekæmpelse [Genotype*Environment interaction, importance of mechanical weed control]. [oral] Presentation at BAR-OF netværksmøde, Forskningscenter Risø, 14. december 2005.
(2003) Design og sortsvalg i specialforsøg BAROF-WP2 – Ukrudtskonkurrence. Report, Dept. of Crop Protection, Danish Institute of Agricultural Sciences.
(2007) Tolerance of four spring barley (Hordeum vulgare L.) varieties to weed harrowing. Weed Research 47(3):pp. 241-251.
(2006) Tolerance to weed harrowing in four spring barley varieties. [preprint]
(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]. Report, Afdeling for Plantebeskyttelse, Danmarks JordbrugsForskning.
(2003) Combining physical, cultural and biological methods: prospects for integrated non-chemical weed management strategies. Weed Research 43(5):pp. 303-322.
(2004) Combining physical and cultural weed control with biological methods – prospects for integrated non-chemical weed management strategies . Paper presented at 6th EWRS Workshop on Physical and Cultural Weed Control, Lillehammer, 8-10 March; Published in Proceedings of the 6th EWRS on Physical and Cultural Weed Control, page 30.
(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]. Paper presented at 46. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Gießen, 2003; Published in Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften 14, page pp. 286-287. Verlag Günter Heimbach, Stuttgart.
(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 ]. Paper presented at 47. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Braunschweig, 2004; Published in Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften 16, page pp. 69-70. Verlag Günter Heimbach, Stuttgart.
(2007) Anbau von Erbsen, Sommerweizen und -gerste in Reinsaaten und in Gemengen [Cultivation of Peas, Spring Wheat and Spring Barley Sole and Intercropped]. Paper presented at Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.
(2006) Ampferregulierung - Vorbeugende Möglichkeiten ausschöpfen. Merkblätter 1. FiBL, Bioland Beratung, KÖN und Bio Austria.
(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]. Poster presented at 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005; Published in Heß, J and Rahmann, G, Eds. Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau.
(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.
(2007) Field weed population dynamics: a review of model approaches and applications. Weed Research 47(1):pp. 1-14.**
(2005) Field weed population models: a review of approaches and application domains. Paper presented at 13th EWRS (European Weed Research Society) Symposium, Bari, Italy, 19.-23. June 2005; Published 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, page pp. 1-2. European Weed Research Society (EWRS).**
(1999) Cultural methods for controlling docks in organically farmed grassland (extension 1998-99) (OFT0115T). Report, Institute of Grassland and Environmental Research.
(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.
(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?]. Paper presented at 6. Wissenschaftstagung zum Ökologischen Landbau, Weihenstephan, 2001; Published in Reents, Hans-Jürgen, Eds. Von Leit-Bildern zu Leit-Linien: Beiträge zur 6. Wissenschaftstagung zum Ökologischen Landbau, page 357 -360. Verlag Dr. Köster, Berlin.
(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]. Paper presented at 44. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Bonn, 27.-29.9.2001; Published in Gesellschaft für Pflanzenbauwissenschaften, , Eds. 44. Jahrestagung (27.-29.09.) : Kurzfassungen der Vorträge und Poster, page pp. 172-173. Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften 13.
(2002) A review of knowledge: inter-row hoeing & its associated agronomy in organic cereal & pulse crops. Report, Elm Farm Research Centre.
(2004) Thermal Band Heating for Intra-Row Weed Control. Paper presented at AgEng2004 Engineering The Future, Leuven, Belgium, 12 - 16 September 2004; Published in De Baerdemaaker, Josse, Eds. AgEng 2004, Leuven, Belgium. Book of Abstracts, ISBN 90-76019-258. Paper on CD 287, 8 pp. Technological Institute, Belgium.
(2004) Thermal Band Heating for Intra-Row Weed Control. Biosystems Engineering.
(2004) Stribedampning virker mod ukrudt. FØJOenyt(3). Online at <http://www.foejo.dk/enyt2/enyt/juni04/damp.html>
(2005) Intercropping – The practical application of diversity, competition, and facilitation in arable and organic cropping systems. Paper presented at First Scientific Conference of the International Society of Organic Agricultural Research (ISOFAR), Adelaide, Australia, 21-23 September 2005; Published 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)., page pp. 22-25. ISOFAR, Bonn, Germany.
(2004) Selectivity of weed harrowing in lupin. Weed Research 44:pp. 245-253.*
(2005) Wirkungen differenzierter Bodenbearbeitungssysteme im Dauerversuch Scheyern [Effects of Different Tillage Systems in the Long-term Field Experiment Scheyern ]. Paper presented at 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005; Published in Heß, J and Rahmann, G, Eds. Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau. kassel university press GmbH, Kassel.
(2004) Mjölktisteln under kontroll. Paper presented at "Uppdatera dina kunskaper inom ekologin": ekoseminar, S:t Michel, Finland, 28.7.2004, page pp. 19-20. Ekoneum.
(2003) Mid-summer bare fallow effective in controlling perennial weeds. Paper presented at Nordic agriculture in global perspective: NJF's 22nd congress, Turku, Finland, July 1-4, 2003, page 10. MTT Agrifood Research Finland; NJF.
(2005) Strategien der Unkrautregulierung in Zuckerrüben - Ergebnisse aus Anbauvergleichen [Strategies of weed control in sugar beet - results from on-farm trials]. Poster presented at 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005; Published in Heß, J and Rahmann, G, Eds. Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau.
(2006) Was bringen die derzeit 'verfügbaren' Bioherbizide? [What can we expect from the commercially available bio-herbicides?]. Paper presented at ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg/Germany, 31.1.-2.2.2006; Published in Boos, Markus, Eds. 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, page pp. 172-177. Fördergemeinschaft Ökologischer Obstbau e.V. (FÖKO), Traubenplatz 5, D-74189 Weinsberg.
(2006) Meta-analysis is a powerful tool to summarize variety mixture effects - exemplified by grain yield and weed suppression of spring barley. Paper presented at COST SUSVAR workshop, La Besse, France, 12-15 June 2006; Published in Østergård, H. and Fontaine, L., Eds. Cereal crop diversity: Implicatons for production and products, page pp. 49-52. ITAB, Paris, France.**
(2006) Weed management with different mulches under organic strawberry production. Paper presented at Pest, disease and weed management in strawberry - progress and challenges for the Nordic production : NJF seminar 389, Lepaa, Finland, 8-9 November 2006; Published in NJF Report 2(10), page 35. Nordic Association of Agricultural Scientists.
(2003) Bodenbearbeitung und Beikrautregulierung im ökologischen Landbau [Soil cultivation and weed controll for organic farming]. KTBL-Schrift 416. KTBL.
(1997) Ikke så mens du høster. Hummelposten 3:pp. 24-25.
(2007) Plantevern i vanlig og økologisk landbruk. Bioforsk TEMA no. 12, Bioforsk Økologisk, Bioforsk.
