Evaluation of symbiosis between introduced and native rhizobia and four tropical forage legumes in cylinders with undisturbed soil from the Chiapas coast, Mexico

abonos azote centrosema pubescens contenido de materia seca crop yield dry matter content engrais feed legumes fertilizers feuille hojas leaves leguminosas forrajeras nitrogen pueraria phaseoloides racine rendement des cultures rendimiento de cultivos rhizobium root nodulation roots stems tallo tige