The large plot corresponded to monoculture and to the tree species of : Gliricidia sepium , Calliandra calothyrsus and ... The hybrid genotypes of genotypes of corn H3 and H5 were superior than cultivars Tuxpeño and Centapasaquina .

As indicated , the work has produced hybrid lines with promise for the cerrados in Centrosema , Leucaena , S. capitata . and P. maximum . Seed of these is being increased , but more seed is needed to evaluate their performance under ...