By Ruby Tiwari, Nirmal Timilsina and Ramdas Kanissery Heavy rainfall received in vegetable-growing regions of Florida frequently creates standing water in fields (Figure 1). These farms are often in an early or mid-growing season during such severe weather events. Pre-emergent (residual) herbicides that are integral to vegetable production to suppress weed emergence are applied during this period. Most pre-emergent herbicides …