Samuels, G., M. A. Lugo López, and P. Landrau Jr. “FACTORS AFFECTING THE SUCROSE CONTENT OF SUGARCANE: FERTILIZERS”. The Journal of Agriculture of the University of Puerto Rico 36, no. 3 (July 1, 1952): 194–202. Accessed April 26, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/13786.