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Growing rapeseed in mixed cropping with cereals

Paulsen, Dr. Hans Marten (2008) Growing rapeseed in mixed cropping with cereals. 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.

[thumbnail of Paulsen_12160_ed.doc] RTF (Rich Text Format) - German/Deutsch


Yields of mixed cropping systems of winter rapeseed (Brassica napus) with winter rye, winter wheat and winter barley in organic farming are reported by the example of a one year field trial in Trenthorst, North Germany. The trial was established as per¬petuation of trials in the years before with different seed densities and row distances due to very low yields of both components to increase the overall yield of the mixtures. Winter rapeseed was heavily suppressed by the cereals when grown in mixture with rye. The winter rapeseed yields were more adequate in relation to the chosen seed reduction in combination with wheat. In systems with delayed drilling of the cereals between rows of rapeseed, wheat and barley had problems in field establishment and rapeseed yields were over-proportional in relation to the chosen seed reduction. Land equivalent ratios (LER) were around 1 in all systems. The use of those mixtures as practicable yield buffer in organic farms needs further evaluation.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:seed density, rapeseed, barley, rye wheat, LER
Subjects:"Organics" in general
Crop husbandry > Crop combinations and interactions
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 2.3 Arable crop production
Deposited By: Paulsen, Dr. Hans Marten
ID Code:12160
Deposited On:02 Oct 2008
Last Modified:12 Apr 2010 07:36
Document Language:English
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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