Rodrigues Moreira, Divino, and Victor José Mendes Cardoso. “Effect of Soil Moisture Content and the Irrigation Frequency on the Sugarcane Germination”. Pesquisa Agropecuaria Brasileira, vol. 33, no. 5, May 1998, pp. 721-9, doi:10.1590/S1678-3921.pab1998.v33.4892.