[Good grass silage: "We leave nothing to chance" - From grassland cultivation to silage-making. How do dairy farms produce good grass silage in Mecklenburg-Western Pomeranian and Saxony]

abonos fosfatados abonos nitrogenados abonos potasicos aliment pour animaux animal husbandry bovin laitier calidad conduite des herbages crop yield dairy cattle engrais potassique ensilado ensilage (produit) ensilage (traitement) ensilaje exploitation agricole explotaciones agrarias farms feed grasses feeds fertilisation fertilizer application forraje verde fourrage vert ganado de leche gestion gestion du sol grassland management grasslands grazing green feed herbage labranza land use lisier management manejo de praderas manejo del suelo mecklenburg-western pomerania nitrogen fertilizers pastizales pastoreo pastures phosphate fertilizers piensos potash fertilizers praderas quality rendement des cultures rendimiento de cultivos sajonia saxe saxony silage silage making silo silos slurry soil management soil treatment tillage traitement du sol tratamiento del suelo travail du sol utilisation des terres