Blasting weeds with air-powered farm residue

A USDA agronomist in Minnesota has invented an air-powered device that shoots out farm residues — “from seed meals to nut shells, fruit pits, and corn cob grits” — at weeds and pulverizes them while leaving corn shoots standing tall, reports Modern Farmer. Dried chicken manure is a current favorite to target the pesky plants. “We… » Read More

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