[Preliminary results of Arachis pintoi introduction in Digitaria and Brachiaria pastures in Panama]

arachis pintoi brachiaria carga ganadera contenido de materia seca contenido proteico digitaria dry matter content establecimiento de plantas fertilisation fertilizer application mixed pastures nutritive value panama pastizal mixto pastoreo rotacional pests of plants plagas de plantas plant establishment prairie mixte protein content ravageur des plantes rotational grazing stocking density taux de charge valeur nutritive valor nutritivo