OBIECHEFU, G. C.; EMERSON, K. U. Changes in properties of tropical ferruginous soils under long-term fertility management and continuous cultivation. International Journal of Environment, Agriculture and Biotechnology, [S. l.], v. 6, n. 4, 2021. Disponível em: https://journal-repository.com/index.php/ijeab/article/view/3987.. Acesso em: 2 may. 2025.