Influence of palm oil sludge on physical properties of soil and growth characteristics of oil palm seedlings (Elaeis guineensis). Tropical Agriculture, [S. l.], v. 71, n. 2, 1994. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2669.. Acesso em: 23 may. 2024.