Talleyrand, H., Fox, R. H., & Lugo-López, M. A. (1976). Nitrogen Fertilization of a High Yielding White-Kernel Corn in Oxisols and Ultisols in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, 60(3), 336–343. https://doi.org/10.46429/jaupr.v60i3.10526