Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu|Department of Agronomy, University of Missouri, Columbia, MO 65211, USA. fangz@missouri.edu