Samuels, G. and Sandía Díaz, H. 1960. Effects of Potassium Chloride and Sulfate on Pineapple Yields and Quality. The Journal of Agriculture of the University of Puerto Rico. 44, 1 (Jan. 1960), 16–20. DOI:https://doi.org/10.46429/jaupr.v44i1.12100.