W. D. Widdicombe

Row Width and Plant Density Effect on Corn Forage Hybrids

K. Thelen, W. D. Widdicombe, 2002 .

How Tar Spot of Corn Impacted Hybrid Yields During the 2018 Midwest Epidemic

Damon L. Smith, M. Chilvers, N. Kleczewski, 2019 .

Row width and plant density effects on corn grain production in the northern Corn Belt

Kurt D. Thelen, K. Thelen, William D. Widdicombe, 2002 .