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Researchers test ‘grit’ as weed-control option

Issue Date: September 10, 2014

"True Grit" is taking on new meaning for agricultural researchers, who are finding high-speed particles from ground corncobs can help control weed infestations in row crops. In collaboration with South Dakota State University researchers, U.S. Department of Agriculture agronomist Frank Forcella has devised a tractor-mounted system that uses compressed air to shred small annual weeds with the organic grit.

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