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Always start with a clean field using tillage or a burndown program that can include residual herbicides prior to planting. The following weed control programs using preemergence (PRE) and postemergence (POST) herbicides can be implemented at or near planting depending on the density and types of weeds in the field.13;10;
One-Pass PRE Program This program utilizes full labeled rates of preemergence residual products, like Degree Xtra® or Harness ® brand herbicides, and tank mixtures as appropriate, applied at or near planting.13;10;
One-Pass POST Program This program utilizes tank mixtures of labed POST and residual (PRE) herbicide products applied early-POST in the crop. The early-POST application needs to be made before weeds exceed 2 to 4 inches to avoid excessive crop competition.13;10;
Two-Pass (PRE followed by POST) Program This program offers the least risk and best chance at obtaining optimum weed control and corn yield potential. A PRE followed by POST program, where the POST treatment is applied mid-to late-POST, can provide more consistent weed control over a greater range of conditions.13;10;
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