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Strategies to control Cirsium arvense under organic farming conditions

Lukashyk, Pavel and Koepke, Ulrich (2005) Strategies to control Cirsium arvense under organic farming conditions. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

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Summary

Three strategies for controlling Cirsium arvense including (1) repeated stubble tillage with subsequent forage crop cultivation, (2) repeated mowing of a grass-clover ley, and (3) forage crop cultivation following a grass-clover ley ploughed in May/June (3) were investigated in field experiments over 3 years. The development of C. arvense shoot density was regularly assessed on sub-plots with defined thistle densities. In the medium-term (9 months), treatment 1 decreased shoot density and regrowth capacity of C. arvense more effectively than a mowed grass-clover ley (2). However, after 22 months, treatments 1 and 2 resulted in a similar strong reduction of C. arvense shoot density of 95 % and 97 %, respectively. At this time, the efficacy of treatment 3 was lower (89 %), however, not significantly different to that of treatments 1 and 2. After 26 months, the effect of all treatments was still apparent; however, the efficacy of treatment 3 was significantly lower than that of treatment 2. Generally, the different strategies showed only minor differences, thus delivering options for optimal strategies of thistle control under given specific conditions of site and cropping systems.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:creeping thistle, stubble plough, wing share cultivator, mouldboard plough, grass-clover, mowing
Subjects: Crop husbandry > Production systems > Cereals, pulses and oilseeds
Research affiliation: International Conferences > 2005: 1st ISOFAR Conference > 2005: 1st ISOFAR Conference
Deposited By: ISOFAR,
ID Code:4413
Deposited On:18 Nov 2006
Last Modified:12 Apr 2010 07:30
Document Language:English
Status:Unpublished
Refereed:Not peer-reviewed
Additional Publishing Information:The paper archived here is the final paper submitted by the authors to the conference Researching Sustainable Systems.
The final and edited papers are available at the following publication:
Köpke, Ulrich; Niggli, Urs; Neuhoff, Daniel; Cornish, Peter; Lockeretz, Willie und Willer, Helga, (Hrsg.) (2005) Researching Sustainable Systems. Proceedings of the First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR) Held in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the National Association for Sustainable Agriculture, Australia (NASAA), 21 - 23 September 2005, Adelaide Convention Centre, Adelaide, South Australia. 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. http://orgprints.org/4013/
Distribution: Paper copies may be ordered from FiBL at a cost of 28 Euros plus mailing costs (see FiBL shop at http://www.fibl.org/shop); FiBL order number 1394. A PDF version of the proceedings is available free of charge for ISOFAR members via the member area of www.isofar.org.
The final papers submitted by the authors are available at http://orgprints.org/view/projects/int-conf-isofar-2005.html.

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