Effects of three nitrogen fertilizers and lime on pH and exchangeable cation content at different depths in cropped soils at two sites in the Nigerian savanna. Tropical Agriculture, [S. l.], v. 53, n. 3, 1976. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/3136.. Acesso em: 4 oct. 2024.