Costs and benefits of redefining the grade factor: Broken corn and Foreign mater
Hill, Lowell D.
Costs and benefits of redefining the grade factor: Broken corn and Foreign mater - Illinois University of Illinois 1994 - 80p. - No.336; USDA North central reg .
633.15:631.562
Costs and benefits of redefining the grade factor: Broken corn and Foreign mater - Illinois University of Illinois 1994 - 80p. - No.336; USDA North central reg .
633.15:631.562