Researchers Use Corn Grit Instead of Herbicides to Blast Weeds

Agricultural researchers have found a new way to blast weeds without using pesticides. The Propelled Abrasive Grit Management (PAGMan) system — designed by USDA Agronomist Frank Forcella along with university researchers — is a tractor-mounted system that uses compressed air to blast particles of grit that shred weeds. The grit is made up of dried corn cobs. Further trials may confirm the system’s potential to help organic growers manage within-row infestations of weeds that have sprouted around the bases of corn, soybeans and other row crops. Learn more.

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