Crop recovery of fertilizer P from soils low in soluble phosphorus (pot experiments with rye grass)

absorption de substances nutritives chaulage crecimiento croissance crop yield danemark denmark dinamarca disponibilidad de nutrientes ecologia vegetal encalado fertilidad del suelo fertilisation fertilizer application fosforo growth liming lolium nutrient availability nutrient uptake phosphore phosphorus plant ecology pot experimentation rendement des cultures rendimiento de cultivos soil soil fertility sol suelo