JACKSON, George C.; SIERRA, Carmelo. PERFORMANCE OF GULF S-6797 AND HERCULES 22234 AS PREEMERGENCE HERBICIDES ON OKRA. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 60, n. 3, p. 434–435, 1976. DOI: 10.46429/jaupr.v60i3.10534. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/10534. Acesso em: 29 mar. 2024.