[Variety trials in red clover 1979-1988. Methods and results of varieties]

chemical composition composition chimique conduite de la culture contenido de materia seca contenido proteico cosecha crop management crop yield crude fibre dry matter content ensayos de variedades feed legumes fibra bruta fibre brute harvesting leguminosas forrajeras manejo del cultivo methode methods mixed pastures noruega norway nutritive value pastizal mixto phleum pratense prairie mixte protein content rendement des cultures rendimiento de cultivos trifolium pratense valeur nutritive valor nutritivo variedades varieties variety trials