Méndez-Cruz, Angel V., Víctor Siberio-Torres, John Fernández-Van Cleve, Eleanor Fontanet, and Gumersindo Ramírez-Oliveras. “Yield and Nutritive Value of Hay from Five Tropical Grasses at Three Harvesting Intervals”. The Journal of Agriculture of the University of Puerto Rico 72, no. 1 (January 1, 1988): 109–118. Accessed April 26, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6840.