Talleyrand, H., Pérez-Escolar, R., Lugo-López, M. A., & Scott, T. W. (1977). Utilization of N from Crop Residues in Oxisols and Ultisols. The Journal of Agriculture of the University of Puerto Rico, 61(4), 450–455. https://doi.org/10.46429/jaupr.v61i4.10408