A trial of different plant species sown between 2 cereals is underway in Plomodiern, the objective is to pump the nitrogen residues while producing fodder for the cows. The cover crops sown on a plot owned by Mickael Bouguyon, breeder of Limousines in Plomodiern, had the dual objective of trapping the nitrogen residues of the previous wheat and, depending on the species, of producing fodder that could be used by animals. “The plot is directly accessible by the cows”, explains the breeder. After the cereal harvest on July 21, these different covers were sown on August 4, with several sowing methods. Mustard and nyger were implanted directly; pure moha or associated with Alexandrian clover was planted directly with or without passage of the roller. This grass / legume mixture also benefited from different methods, namely a protocol with stubble cultivation followed by passage of a roller, then sowing with the combination and a new rolling. The last strip of this test is similar to ...
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