Sequential weed control programs, including preplant/preemergence (PRE) followed by postemergence herbicides, have consistently provided the best weed control and greatest net returns.
Field with heavy infestation of dandelion and horseweed. Existing weeds should be controlled prior to planting to improve planter performance and help the crop get the best possible start.
Preventing weed seed production: Control weeds to minimize competitive effects but also to prevent seed production, especially for glyphosate-resistant weeds like waterhemp, Palmer amaranth and ragweeds.
Corn field showing the effects of weed competition on corn growth (right side of field). The grass weeds have been sprayed and are dying, but corn growth is significantly reduced and yield potential is lower compared to the left side of the field.
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