PÉREZ ESCOLAR, Raul; LUGO-LÓPEZ, M. A. On the Possible Significance of High Free Iron Oxide Content in Mabí Clay, a Vertisol from East-Central Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 52, n. 1, p. 47–52, 1968. DOI: 10.46429/jaupr.v52i1.11722. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/11722. Acesso em: 22 nov. 2024.