Sotomayor-Ríos, A., F. J. Juliá, and J. A. Arroyo-Aguilú. “Effects of Harvest Intervals on the Yield and Composition of 10 Forage Grasses”. The Journal of Agriculture of the University of Puerto Rico 58, no. 4 (October 1, 1974): 448–455. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10642.