Rocha, G.P. et al. 2007. YIELD DRY MATTER AND CONTENT OF CRUDE PROTEIN IN THREE TROPICAL GRASSES AT DIFFERENT LEVELS OF NITROGEN. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]. 28, 1 (Dec. 2007), 75–87. DOI:https://doi.org/10.5216/pat.v28i1.2985.