The effect of dry matter content and silage additives on the fermentation of bunker-made grass silages on commercial farms in Wales 1987-93

additif aux aliments des animaux aditivos de piensos calidad contenido de humedad contenido de materia seca dry matter content ensilado ensilage (produit) ensilage (traitement) ensilaje exploitation agricole explotaciones agrarias farms feed additives feed grasses fermentation gales moisture content pays de galles quality reino unido silage silage making teneur en eau united kingdom wales