If weeds are growing in defined tracks, that could indicate that the seeds have landed there from a combine that had the weed seeds riding on it from a previous harvest in an infested field.
Purdue University weed scientists recommend growers with glyphosate-resistant Palmer amaranth and waterhemp use Group 15 or Group 5 herbicides in conjunction with their PPO-inhibitors.
Glyphosate-resistant Palmer amaranth has been confirmed in southwestern Nebraska, says Greg Kruger, cropping systems specialist for the University of Nebraska's West Central Research and Extension Center.
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On this edition of Conservation Ag Update, brought to you by CultivAce, longtime no-tiller Jim Leverich explains why 20-inch corn rows are paying off big time on his Sparta, Wis., farm.
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