If it’s not raining, maybe it’s time to tromps through the corn field. It doesn’t take long for weed pressure to accumulate in a crop, especially in conditions where the crop canopy is slow to close. But deciding on a re-spray is every bit as complicated as deciding what to spray. Assessments should include staging, health, invasiveness of target weeds and of course consideration of economic returns.
In this Corn School episode, Paul Sullivan of PT Sullivan Agro Inc. joins RealAgriculture’s Bernard Tobin in scouting a corn field to determine whether or not a second herbicide application is advisable. Sullivan considers the weeds present, the canopy health and the rotational plans for the next growing season before making a recommendation.
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