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Les CIMS pour améliorer la productivité en Agriculture Biologique dans les systèmes de culture assolés

Abstract : Multi-service cover crops (CIMS) can provide numerous ecosystem services and play thus a crucial role in organic farming. The capacity of the CIMS to supply nutrients to the subsequent crop is of particular interest in organic farming due to the low fertiliser availability. CIMS aims also at maintaining soil organic matter content by counterbalancing crop exportations. They are an efficient mean to suppress pests in particular weeds through direct competition for resources or by the modification of the growing conditions. Other pest and disease control results mainly from the creation of favourable conditions for the conservation and the development of beneficial organisms.In some conditions, a direct control is also possible. Finally, the CIMS are an important element in the promotion of biodiversity. The expected services vary highly according to the farm typology. While field crop farms without livestock are looking for maintaining soil organic matter content and maximizing N supply by the CIMS, the main objective of vegetable growers is to control pests and diseases. The choice of the CIMS, as sole crop or in mixtures, and its management depends highly on the expected services. A tendency to replace the CIMS by temporary meadows or other forms of permanent cover is observed in arable crop farms.
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Submitted on : Tuesday, May 26, 2020 - 9:22:40 PM
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Raphael Charles, Marina Wendling, Lucie Buchi, Marion Casagrande, Florian Celette, et al.. Les CIMS pour améliorer la productivité en Agriculture Biologique dans les systèmes de culture assolés. Innovations Agronomiques, INRAE, 2017, 62, pp.131-141. ⟨10.15454/1.517407968140441E12⟩. ⟨hal-02627802⟩



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