"Foto: WHO NEEDS TOXIC HERBICIDES? New experimental technology uses an air compressor and blasts weeds to smithereens with tiny particles of corn cobs without harming the crop. High-speed particles of grit shred the weeds at 100 pounds per square inch of compressed air. ""We've been getting season-long weed control of about 80 to 90 percent, which isn't perfect, but most organic farmers would be happy with that amount of weed control,"" says Forcella, a USDA Dept. of Agriculture agronomist. The…"
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