Alers-Alers, S., Frank Juliá, and M. A. Lugo-López. 1973. “Effect of Harvesting Sugarcane at 12, 14, and 16 Months of Age Upon Yields at Isabela, P.R”. The Journal of Agriculture of the University of Puerto Rico 57 (1):1-8. https://doi.org/10.46429/jaupr.v57i1.10751.