Silveira, Joaquim Albenísio Gomes da, and Otto Jesu Crocomo. 1991. “Nitrate Utilization and Carbohydrate Distribution As Affected by Nitrogen and Potassium Nutrition in Sugar Cane Plants”. Pesquisa Agropecuaria Brasileira 26 (2):247-57. https://doi.org/10.1590/S1678-3921.pab1991.v26.3335.