SAMUELS, George. The Influence of the Age of Sugarcane on its Leaf-Nutrient (N-P-K) Content. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 43, n. 3, p. 159–170, 1959. DOI: 10.46429/jaupr.v43i3.12577. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12577. Acesso em: 22 nov. 2024.