Soybean Nitrogen Fixation : The Nitrogen Budget.
S. Carolina Cordova1, Ranae N. Dietzel2, Mark A. Licht3, Sotiris V. Archontoulis2 and Michael J. Castellano4, (1)W. K. Kellogg Biological Station and Great Lakes Bioenergy Research Center, Michigan State University, Hickory Corners, MI, (2)Department of Agronomy, Iowa State University, Ames, IA, (3)Department of Agronomy, Iowa State University, Roland, IA, (4)Iowa State University, Ames, IA, US