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Potential of Air-Propelled Abrasives for Selective Weed Control
- Novel forms of selective weed control are needed by many types of growers, but especially by organic growers who are restricted from using synthetic herbicides. Abrasive grit made from corn cobs was expelled from a sand blaster at 517 kPa pressure and aimed at plants of common lambsquarters and corn positioned 300 mm distant. Most small weed plants were killed by one split-second blast of grit, but corn plants suffered little damage by the same treatment. Air-propelled grit made from agricultural residues possibly could be used for selective nonchemical weed control without the need for soil tillage.
weed control , organic production , abrasives , corn cobs , Zea mays , corn , grain crops , Chenopodium album , broadleaf weeds , velocity , mortality , plant byproducts , crop residues , tillage , plant damage , species differences
- Includes references
- Weed technology 2009 Apr., v. 23, no. 2
Journal Articles, USDA Authors, Peer-Reviewed
- Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.