Sotomayor-Ramírez, David, Ancizar Lugo-Ospina, and Rafael Ramos-Santana. 2004. “Vegetation Influence on Soil Quality in a Highly Degraded Tropical Soil.”. The Journal of Agriculture of the University of Puerto Rico 88 (1-2):11-26. https://doi.org/10.46429/jaupr.v88i1-2.2732.