Pérez-Escolar, R., & Lugo-López, M. A. (1978). Effect of Depth of Lime Application on Yield of Two Corn Hybrids Grown on a Typical Ultisol of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, 62(3), 203–213. https://doi.org/10.46429/jaupr.v62i3.10357