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Effects of Farm Type and Different Intensities of Soil Tillage on Cash Crop Yields and Soil Organic Matter

Schulz, Franz; Brock, Christopher and Leithold, Günter (2008) Effects of Farm Type and Different Intensities of Soil Tillage on Cash Crop Yields and Soil Organic Matter. 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

An organic long-term field experiment has been carried out at the experimental station Gladbacherhof (Giessen University, Germany) since 1998 to survey the performance of agronomical, economical and ecological indicators dependant on farm type and tillage intensity. This article presents results on cash crop yields and changes in humus contents in the first two rotations of the experiment. It can be concluded that organic stockless farming without ley affects cash crop yields and demands special attention with regard to a sustainable humus management. Stockless farming with rotational ley on the other hand up to now showed a satisfactory performance when compared to a mixed farm type with livestock. As for the yields, reduced tillage systems could cope with the regularly ploughed reference system if at least a shallow turning of the soil was carried out. An increase of humus contents was not induced by reduced tillage systems.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:crop rotation, tillage, long-term field experiment
Subjects: Soil > Nutrient turnover
Crop husbandry > Crop combinations and interactions
Crop husbandry > Soil tillage
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 2.3 Arable crop production
Germany > University of Gießen > Institute of Agronomy and Plant Breeding II
Deposited By: Schulz, Dipl.-Ing.agr. Franz
ID Code:11990
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. http://orgprints.org/13672 and http://orgprints.org/13674

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