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Rapeseed is a major oilseed crop in Europe, whose development has been a roller coaster ride over the last 20 years. In a context of increasing demand for organic products, this crop must however face numerous constraints concerning its demanding place in the rotation, a choice of varieties limited to line varieties at least in the Switzerland, a crucial implantation which must cope with variable water stress during sowing and winters with less and less frost, very demanding nitrogen nutrition requirements in the context of organic farming, and particularly harmful pests. A consolidation of the research devoted to rapeseed cultivation, but also a redesign of its cropping system and economic considerations should make it possible to better position this crop in relation to agri-environmental contexts, but also in relation to the complementary aptitudes of other oilseed crops.

Organic rapeseed in Switzerland: 20 years of practice