1. Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong 266237, China
2. Department of Soil and Environmental Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan, Punjab, Pakistan
3. College of Agriculture, Forestry and Natural Resource Management, University of Hawaii at Hilo, Hilo, Hawaii 96720, United States