González-Ibáñez, Jaime. “CONTROL OF PURPLE NUTSEDGE (CYPERUS ROTUNDUS L.) WITH DPX 4129”. The Journal of Agriculture of the University of Puerto Rico 67, no. 2 (April 1, 1983): 176-178. Accessed January 29, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/7709.