ABRUÑA, F.; PÉREZ-ESCOLAR, R.; VICENTE-CHANDLER, J.; PEARSON, R. W.; SILVA, S. Response of Corn to Acidity Factors in Eight Tropical Soils. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 58, n. 1, p. 59–77, 1974. DOI: 10.46429/jaupr.v58i1.10703. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/10703. Acesso em: 4 jun. 2023.