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Soil tillage in organic farming: impacts of conservation tillage on soil fertility, weeds and crops

Peigné, Dr. Joséphine; Aveline, Dr. Anne; Cannavaccuiolo, Dr. Mario; Giteau, Ing. Jean-Luc and Gautronneau, Ing. Yvan (2008) Soil tillage in organic farming: impacts of conservation tillage on soil fertility, weeds and crops. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Summary

Organic farmers are encouraged to adopt conservation tillage to preserve soil quality and fertility and prevent erosion. In the framework of a national study, we compared conservation (no tillage NT and reduced tillage RT) and conventional (mouldboard ploughing MP and shallow mouldboard ploughing SMP) tillage systems in 3 field experiments and 2 on-farm surveys. We measured the impacts of soil tillage on: (1) soil compaction: more compacted soil under NT and RT, (2) earthworm populations: more earthworms under NT, (3) weed infestation: weed level tends to be higher under NT, but it is not a general trend, and (4) crops: crop yields are lower under NT according to weed infestation. Then, independent of soil type and experimental year (2 to 5 years), it seems that soil physical fertility decreases under NT and RT. But, the first reason of a decline of crop yield under NT is the weed infestation.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:no tillage, mouldboard ploughing, soil structure, earthworms, weeds
Subjects: Crop husbandry > Soil tillage
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 2.3 Arable crop production
Deposited By: Peigne, Dr. Josephine
ID Code:12290
Deposited On:02 Oct 2008
Last Modified:12 Apr 2010 07:36
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:This paper is published in the conference proceedings:
Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. https://orgprints.org/13672 and https://orgprints.org/13674

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