Nunes, Marcos R., Jair R. Leal, and Ary Carlos X. Velloso. 2014. “Effect of Land Disposal of Stillage on the Leaching of Soil Nutrients. III. Potassium, Calcium and Magnesium”. Pesquisa Agropecuaria Brasileira 17 (3):371-74. https://doi.org/10.1590/S1678-3921.pab1982.v17.15645.