Sotomayor-Ramírez, D., Barragán-Arce, M. J., Lozada-Ramírez, G. and Jaramillo, R. (2013) “Trends in fertilizer consumption in Puerto Rico.”, The Journal of Agriculture of the University of Puerto Rico, 97(1-2), pp. 15-32. doi: 10.46429/jaupr.v97i1-2.3037.