Regional scale cropland carbon budgets: Evaluating a geospatial agricultural modeling system using inventory data. - Xuesong Zhang; Roberto César Izaurralde; David H. Manowitz; Ritvik Sahajpal; Tristram O. West; Allison M. Thomson; Min Xu 004; Kaiguang Zhao; Stephen D. LeDuc; Jimmy R. Williams (Environ. Model. Softw., 2015)