Phosphorus status of some Ethiopian soils, II. Forms and distribution of inorganic phosphates and their relation to available phosphorus. Tropical Agriculture, [S. l.], v. 68, n. 1, 1991. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1653. Acesso em: 21 apr. 2025.