LANDRAU, JR., Pablo; SAMUELS, George. Results of Lime and Minor-Element Fertilizer Research in Puerto Rico, 1949-50. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 40, n. 4, p. 224–234, 1956. DOI: 10.46429/jaupr.v40i4.12634. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12634. Acesso em: 28 mar. 2024.