Dynia, José Flavio, and Otávio Antônio de Camargo. “Nitrate Retention in a Variable-Charge Soil, As Influenced by Phosphate Fertilizing and Liming”. Pesquisa Agropecuaria Brasileira 34, no. 1 (January 1, 1999): 141–144. Accessed November 11, 2025. https://apct.sede.embrapa.br/pab/article/view/5150.