Semidey, Nelson, and Luis Almodóvar. “Asulam and Other Postemergence Herbicides for Sugarcane”. The Journal of Agriculture of the University of Puerto Rico 70, no. 4 (October 1, 1986): 235–243. Accessed August 16, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/7100.