Dias, Paulo Francisco, Gudesteu Porto Rocha, Antônio Ilson Gomes de Oliveira, José Cardoso Pinto, Rubens Ramos Rocha Filho, and Sebastião Manhães Souto. 1998. “Productivity and Quality of Tropical Grasses under Nitrogen Application at the End of the Rainy Season”. Pesquisa Agropecuaria Brasileira 33 (7):1191-97. https://doi.org/10.1590/S1678-3921.pab1998.v33.4923.