Samuels, G. and Alers Alers, S. 1977. Evaluation of Sugarcane Chemical Ripeners Mon 0139 and 2139 (Monsanto) in a Small-Plot Field Experiment. The Journal of Agriculture of the University of Puerto Rico. 61, 4 (Oct. 1977), 421–428. DOI:https://doi.org/10.46429/jaupr.v61i4.10404.