Gonçalves, J. O. N. and 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), pp. 273–278. doi: 10.1590/S1678-3921.pab1979.v14.16699.