ALEXANDER, A. G.; SAMUELS, G. Effects of Variable Calcium and Manganese on the Enzyme, Nucleotide, and Nutrient Constituents of Sugarcane Grown by Sand Culture. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 51, n. 3, p. 238–251, 1967. DOI: 10.46429/jaupr.v51i3.11239. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/11239. Acesso em: 9 dec. 2022.