Rosa, Beneval, and Gudesteu Porto Rocha. 2007. “THE VALUE INDEX AND THE NITROGEN BALANCE OF Brachiaria Decumbens AND Brachiaria Ruziziensis AT DIFFERENT GROWTH STAGES”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 18 (1): 35-46. https://doi.org/10.5216/pat.v18i1.2541.