FROM LEFT, cousins Rob and Brandon Karcher, and their precision ag consultant Tim Sharp, say variable-rate application is a system, not a set of single practices.
Fix basics first
“Before you do anything with variable-rate applications, you have to have your agronomy right,” Sharp said. “All of your basics, fertilizer, lime, drainage, weed control, have to be fixed first. Don’t do precision ag before you have fixed your problems. You have to do everything in the right order. Then do precision ag.” Ag news delivered daily to your inbox: Subscribe to Delta Farm Press Daily. “It’s just old school agronomy,” Brandon said. ...
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