1. Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
2. School of Environment and Energy, South China University of Technology, Guangzhou, Guangdong 510006, People’s Republic of China
3. Department of Geology, Kangwon National University, Chuncheon 24347, Republic of Korea
4. Department of Ecosystem Science and Management, University of Wyoming, Laramie, Wyoming 82071, United States
5. Environmental Soil Chemistry Group, Delaware Environmental Institute, and Department of Plant and Soil Sciences, University of Delaware, Newark, Delaware 19716, United States