Effect of selected undersown feed legumes on following crops

anthyllis barley straw chemical composition composition chimique composition globale crop yield cultivo bajo cubierta vegetal grain granos hordeum vulgare lotus medicago nurse crops onobrychis paille d'orge paja de cebada plant population planta-abrigo plante d'abri proximate composition rendement des cultures rendimiento de cultivos trifolium underplanting