Gonçalves, J. O. N., & Barreto, I. L. (2014). The effect sowing rate upon the dry matter production and botanical composition of the mixture rhodes grass and siratro. Pesquisa Agropecuaria Brasileira, 14(3), 273–278. https://doi.org/10.1590/S1678-3921.pab1979.v14.16699