Underpinning Causes for Soybean Yield Gaps in the Western US Corn Belt.
Patricio Grassini, Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, Jessica Torrion, Montana State University, Kalispell, MT, Haishun Yang, Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, US, Kenneth G Cassman, Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Oceanside, CA, US and James E. Specht, PO Box 830915, University of Nebraska-Lincoln, Omaha, NE, US