Euclides, V. P. B., Costa, F. P., Macedo, M. C. M., Flores, R., & Oliveira, M. P. de. (2007). Biological and economic efficiency of Panicum maximum fertilized with nitrogen in the end of summer. Pesquisa Agropecuaria Brasileira, 42(9), 1345-1355. https://doi.org/10.1590/S1678-3921.pab2007.v42.7703