Tillage and weed control practices for upland rice (Oryza sativa L.) on a hydromorphic soil in the Guinea savanna of Nigeria. Tropical Agriculture, [S. l.], v. 66, n. 1, 1989. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1805.. Acesso em: 14 sep. 2024.