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Perennial weeds in organic arable farming – challenges & dilemmas

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2007) Perennial weeds in organic arable farming – challenges & dilemmas. 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.

[thumbnail of NJF07_10_Rasmussen2.doc] Other format - English

Document available online at: http://www.njf.nu/site/redirect.asp?p=1321


Long-term control of perennial weeds create a challenge in organic farming, especially in ar-able farming. Perennial weeds are most often controlled by tillage, often stubble tillage after harvest of cereals or short-term tillage during the summer (Melander et al., 2005). Tillage leads to increased leaching of nutrients (Askegaard et al., 2005), which is unacceptable for the environment and in turn renders the succeeding crop less competitive compared to the peren-nial weeds – thus initiating a vicious circle.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:perennial weeds, Cirsium arvense, Elytrigia repens, soil fertility, crop rotation, manure, catch crops
Subjects: Crop husbandry > Crop combinations and interactions
Crop husbandry > Weed management
Research affiliation: Denmark > DARCOF III (2005-2010) > CROPSYS - The effect of cropping systems on production and the environment
Denmark > Other organizations
Denmark > CROPSYS
Related Links:http://www.darcof.dk/research/darcofiii/cropsys.html
Deposited By: Rasmussen, Researcher Ilse A.
ID Code:11349
Deposited On:01 Oct 2007
Last Modified:06 Jun 2022 15:58
Document Language:English
Refereed:Not peer-reviewed

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