HERNÁNDEZ-MEDINA, Ernesto; SHIVE, John W. Calcium-boron relationships in the nutrition of corn and the distribution of these elements in the plants. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 30, n. 4, p. 251–291, 1946. DOI: 10.46429/jaupr.v30i4.12864. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12864. Acesso em: 1 jul. 2024.