Plant attributes for improved feed quality, persistence, soil adaptation and soil improvement

absorption de substances nutritives acid soils adaptation alimentation des animaux aluminio aluminium animal feeding arachis pintoi brachiaria calidad colombia colombie contenido proteico crude fibre feed grasses feed legumes fibra bruta fibre brute fosforo leguminosas forrajeras nutrient uptake ovin ovinos phosphore phosphorus protein content quality sheep soil toxicity sol acide taninos tannin tannins toxicidad del suelo