Alvim, M. J., Martins, C. E., Brotel, M. de A., Salvati, J. A., & Jacob, M. A. M. (1993). Effects of the irrigation and of the integration between setaria-grass and ryegrass pastures on milk production. Pesquisa Agropecuaria Brasileira, 28(4), 545–554. https://doi.org/10.1590/S1678-3921.pab1993.v28.3907