BONNET, J. A.; LUGO LÓPEZ, M. A.; ABRUÑA, F. Cation exchange capacity of some tropical soils of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 35, n. 2, p. 49–56, 1951. DOI: 10.46429/jaupr.v35i2.12820. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12820. Acesso em: 19 apr. 2024.