BONETA GARCÍA, Elvin G.; BOSQUE LUGO, Ramón. Effects on Coffee of Two Levels of Fertilizer and Frequency of Their Application. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 57, n. 2, p. 89–95, 1973. DOI: 10.46429/jaupr.v57i2.10786. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/10786. Acesso em: 29 mar. 2024.