The effect of wet composted and untreated cattle slurry on grassland

azote botanical composition calcio calcium composition botanique compost composts contenido de materia seca crop yield dry matter content encamado engrais npk fertilizantes npk fosforo gramineas graminee grasses leys lisier lodging magnesio magnesium nitrogen npk fertilizers phleum pratense phosphore phosphorus potasio potassium pradera temporal prairie temporaire rendement des cultures rendimiento de cultivos slurry sodio sodium trifolium verse