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Management of perennial weeds and nitrogen leaching in arable cropping systems

Rasmussen, I.A.; Askegaard, M. and Olesen, J.E. (2005) Management of perennial weeds and nitrogen leaching in arable cropping systems. In: NJF Report, Nordic Association of Agricultural Scientists (NJF), 1 (1), pp. 153-156.

[thumbnail of 6070a.pdf] PDF - English
[thumbnail of 6070b.pdf] PDF - English

Document available online at: http://www.njf.nu/


A crop rotation experiment was established in 1997 at three locations representing different soil types and climates. Three factors were tested: crop rotation, catch crop and manure. Catch crop reduced nitrate leaching, but prohibited stubble cultivation. The use of catch crops resulted in increased levels of perennial weeds (E. repens) at one location, while at another; the level of C. arvense was not affected by catch crops, when compared with the use of stubble cultivation. Management of perennial weeds should include considerations of where in a crop rotation to use stubble cultivation, and this should preferably not be after a pulse crop. Catch crops are a more profitable way to manage C. arvense than stubble cultivations.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:crop rotation; catch crop; nitrogen leaching; perennial weeds; stubble cultivation
Subjects: Crop husbandry > Production systems > Cereals, pulses and oilseeds
Crop husbandry > Crop combinations and interactions
Crop husbandry > Weed management
Research affiliation: Denmark > DARCOF II (2000-2005) > IV.1 (EXUNIT) Experimental units for research in organic farming systems
Denmark > DARCOF III (2005-2010) > CROPSYS - The effect of cropping systems on production and the environment
Denmark > CROPSYS
Deposited By: Rasmussen, Researcher Ilse A.
ID Code:6070
Deposited On:18 Oct 2005
Last Modified:06 Jun 2022 15:58
Document Language:English
Refereed:Peer-reviewed and accepted

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