Posted 6/19/2009 00:02 (#750221 - in reply to #750145) Subject: Re: Another sprayer thread... This time, spray rates!
I spray roundup at 4 gpa with AI 11015 tips, around 130 psi, 18 to 20 mph with excellent results. Now when the crop gets more of a canopy then I'll up the rate to 10 gpa. Growth reg and defoliation I run 10 to 15 gpa.