Air-Propelled Abrasive Grit for Selective Postemergence Weed Control.
Frank Forcella, USDA-ARS-North Central Soil Conservation Research Laboratory, Morris, MN, Daniel Humburg, Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD, Sam Wortman, Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE and Sharon A. Clay, Plant Science-Box 2140C, South Dakota State University, Brookings, SD, US