[Grass -97. Information meeting about roughage for Southern and Western Norway 27. and 28. February]

absorption de substances nutritives bovin laitier climatic factors composition globale cosecha crop yield dairy cattle ensayos de variedades facteur climatique feed grasses feed legumes feed production feeding systems forraje grosero fourrage grossier ganado de leche grazing harvesting leguminosas forrajeras leys mezcla de semillas noruega norway nutrient uptake nutritive value pastoreo pradera temporal prairie temporaire production aliment pour animaux proximate composition rendement des cultures rendimiento de cultivos roughage seed mixtures technique d'alimentation valeur nutritive valor nutritivo variety trials