Pérez Escolar, Raúl, and José S. Ortiz Vélez. “Performance of Sugarcane Var. P.R. 980 Grown on a Partially Reclaimed Saline Sodic Soil of the Lajas Valley”. The Journal of Agriculture of the University of Puerto Rico, vol. 63, no. 3, July 1979, pp. 377-85, doi:10.46429/jaupr.v63i3.10296.