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Influence of Organic Management with Different Crop Rotations on Selected Productivity Parameters in a Long-Term Canadian Field Study

Entz, Martin; Hoeppner, J.W.; Tenuta, M.; Bamford, K.C.; Holliday, N. and Wilson, Leanne C. (2005) Influence of Organic Management with Different Crop Rotations on Selected Productivity Parameters in a Long-Term Canadian Field Study. Paper at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

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Summary

The Glenlea long-term rotation study, located near Winnipeg, is Canada’s oldest conventional vs organic crop comparison study. Since 1992, three farming systems (grain only; grain with green manure crops; combined grain-forage rotation) were evaluated under two management systems (organic and conventional). Organic system ranked higher than conventional systems in energy efficiency and biodiversity while conventional system ranked higher in yield, weed management and soil nutrient status. However, significant farming system by management interactions were observed for many variables. The basis for these interactions was enhanced performance of organic production in the combined grain-forage system compared with the grain only system. Organic crop production is sustainable provided combined grain-forage rotations and livestock manure recycling are used.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Crop yield, soil nutrient status, energy efficiency, mycorrhiza
Subjects: Knowledge management > Research methodology and philosophy > Specific methods
Research affiliation: International Conferences > 2005: 1st ISOFAR Conference > 2005: 1st ISOFAR Conference
Related Links:http://orgprints.org/4013/, http://www.isofar.org/adelaide2005, http://orgprints.org/view/projects/int-conf-isofar-2005.html
Deposited By: ISOFAR,
ID Code:4338
Deposited On:03 Nov 2005
Last Modified:12 Apr 2010 07:30
Document Language:English
Status:Unpublished
Refereed:Peer-reviewed and accepted
Additional Publishing Information:The paper presented here is the final paper submitted by the authors to the conference Researching Sustainable Systems.
The final edited papers are available with 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 is available free of charge for ISOFAR members via the member area of www.isofar.org.

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