Muñoz, Miguel A., and Ulises Chardón-Alcázar. “Broiler Litter Applications and Chemical Properties of Highly Weathered Soils”. The Journal of Agriculture of the University of Puerto Rico 96, no. 3-4 (October 1, 2012): 129–138. Accessed March 28, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/3164.