[Leguminous plants in roughage production and in other resource connection]

agriculture biologique alimentation des animaux animal feeding barley cebada clima climat climate contenido proteico crop yield cultivo mixto ensilage (produit) ensilaje erosion fixation de l'azote forraje grosero fourrage grossier gramineas graminee grasses leguminosae mixed cropping nitrogen fixation nutritive value organic farming orge ph protein content rendement des cultures rendimiento de cultivos roughage silage soil sol suelo valeur nutritive valor nutritivo