Agriculture Secretary Tom Vilsack listens to Dairy Forage Research Center Director Dr. Ronald Hatfield explain the Center’s specialized alfalfa chopper that separates the leaf of the alfalfa plant from the stem, at the U.S. Department of Agriculture’s (USDA) Dairy Forage Research Center, University of Wisconsin, Madison, WI, on Tuesday, May 7, 2013. USDA photo by Kevin Tuttle.
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Kevin Tuttle/Public Affairs Specialist/Kevin Tuttle
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