[Project: Adaptation attributes of forage plants to low fertility soils]

absorption de substances nutritives azote biomasa biomass biomasse brachiaria carbon carbone carbono colombia colombie crop yield cycling disponibilidad de nutrientes establecimiento de plantas fixation de l'azote fosforo genetic variation largura leaf area length longueur micorrizas arbusculares vesiculares mixed pastures nitrogen nitrogen fixation nutrient availability nutrient uptake nutrientes nutrients pastizal mixto phosphore phosphorus plant establishment prairie mixte racine rendement des cultures rendimiento de cultivos roots simulation models substance nutritive superficie foliar surface foliaire vesicular arbuscular mycorrhizae