[Permanent grassland in feed production and in other resource connection]

botanical composition compactage du sol composition botanique contenido de materia seca cosecha crop yield crude protein digestibilidad digestibility dry matter content especies farmyard manure feed intake gramineas graminee grasses grasslands harvesting herbage leys pradera temporal praderas prairie temporaire prise alimentaire (animaux) proteina bruta rendement des cultures rendimiento de cultivos soil compaction species water erosion