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The Cowbot would be a way to mow down thistles as a way to control the spread of weeds, "like a Roomba for a pasture," says Eric Buchanan, a renewable energy scientist at the West Central Research and Outreach Center in Morris, Minnesota.
University of Missouri Research looks at technology to kill weeds 3 Shares If it’s a weed, spray it. That’s the mindset that most in the agriculture industry held for years, however, that thinking no longer works as more weeds become resistant to herbicides, says Kevin Bradley, University of Missouri Extension weed scientist. Bradley uses waterhemp as an example. Waterhemp is one of 14 herbicide-resistant weed species in Missouri. It is a prolific producer of seeds, and Bradley considers it Missouri’s most worrisome weed. “It’s clear that we need a new approach,” he says. MU Ext...