42:52
Lien santé du sol et santé de la plante, M-T. Gässler
Ver de Terre Production
58:06
Weeds in direct seeding or transition system, Stéphane Cordeau (INRAE)
33:47
Direct sowing under permanent cover of white clover in Brittany, JP. Turlin
23:20
Towards direct sowing in organic farming: testimony from P. Le Callonec, breeder in Morbihan
