[Green manure: legumes in pure and mixed stands, yield and weed competition]

avena sativa fagopyrum esculentum green manures lathyrus sativus lupinus albus lupinus angustifolius lupinus luteus malezas mauvaise herbe medicago sativa melilotus pisum sativum trifolium alexandrinum trifolium hybridum trifolium incarnatum trifolium pratense trifolium resupinatum trifolium subterraneum trifolium vesiculosum trigonella foenum-graecum vicia faba vicia sativa vicia villosa weeds