Modelling root architecture: are there tradeoffs between efficiency and potential of resource acquisition?

absorption de substances nutritives bilan hydrique biologia biologie biology carbon dioxide dioxyde de carbone ecologia ecologie ecology efecto invernadero effet de serre gestion des ressources greenhouse effect malezas mauvaise herbe methode methods modele modelos models nutrient uptake plante toxique poisonous plants resource management resource utilization root systems senecio vulgaris sistema radicular techniques water balance weeds