Santos, Ana, Elide Valencia, Elvin Román-Paoli, and Rafael Ramos-Santana. 2011. “Season and Date of Harvest Effects on Dry Matter Yield of Sunn Hemp (Crotalaria Juncea L.) ’Tropic Sun’ in Northwestern Puerto Rico”. The Journal of Agriculture of the University of Puerto Rico 95 (3-4):179-91. https://doi.org/10.46429/jaupr.v95i3-4.2574.