What's at stake?
Combining gelatinous legumes with winter rapeseed contributes to successful planting and offers numerous advantages: improved nitrogen nutrition and functioning of the rapeseed, increased competition with weeds, reduced autumn insect damage and increased soil fertility. The result? Lower nitrogen and herbicide requirements, but the same yield and weed control levels.
The full story
The whole rapeseed-associate technique is explained: origin, principle, advantages and limitations. This technical point also highlights the conditions for success when combining rapeseed with legumes. It then covers the entire technical itinerary. Finally, the discussion is illustrated by numerical indicators: economic balance, impact on the treatment frequency index and greenhouse gas emissions.
Scientific reference :
Cadoux S., Sauzet G., Valantin-Morison M., Pontet C., Champolivier L., Robert C., Lieven J., Flénet F., Mangenot O., Fauvin P., Landé N., 2015. Intercropping frost-sensitive legume crops with winter oilseed rape reduces weed competition, insect damage, and improves nitrogen use efficiency. OCL 22(3), D302.
Our other technical editions
Diseases of rapeseed - Ref 418
Acta Phytosanitary Index 2024 (all crops)
Spraying field crops: the keys to success (Arvalis)
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