[1] College of Resources and Environmental Sciences, Department of Plant Nutrition, Key Lab of Plant-Soil Interaction of Ministry of Education, China Agricultural University, Beijing,100193, China
[2] Tobacco Research Institute of Technology Centre, China Tobacco Hunan Industrial Corporation, Changsha,410010, China
[3] Hunan Tobacco Research Institute (Changsha, Chenzhou and Xiangxi), China National Tobacco Corporation Hunan Company, Changsha,410007, China
[4] Xiangxi Open University, Hunan, Jishou,416000, China