Semidey, Nelson, and Luis Almodóvar. “CHEMICAL CONTROL OF ECHINOCHLOA COLONUM IN SWEET CORN”. The Journal of Agriculture of the University of Puerto Rico 70, no. 4 (October 1, 1986): 311–313. Accessed November 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/7110.