College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070(China);
Department of Agronomy, Iowa State University, Ames Iowa 50010(USA);
College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070(China);
College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070(China);
College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070(China);