Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . In the upstate of South Carolina, we have some specialty fruit producers who grow crops on steep hillsides, and worldwide these conditions are not unusual. These fields are hard enough to maneuver when conditions are perfect, but after a few days of rain, not only are the crops susceptible to fungal infections but it’s nearly impossible to get conventional spray equipment into the field if a pesticide application is