Studies on residual effect of phosphate fertilization in grassland-(1)-Residual effect of phosphate fertilization on dry matter yield and nutrient productivity of pasture plants in mixed sward

abonos fosfatados crop yield feed crops fertilisation fertilizer application mixed pastures nutrientes nutrients pastizal mixto phosphate fertilizers plantas forrajeras prairie mixte productividad productivity proteine proteins rendement des cultures rendimiento de cultivos residues residuos substance nutritive