1. National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, College of Resources and Environment, Shandong Agricultural University, Tai’an, Shandong 271018, China
2. Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida 32611, United States
3. State Key Laboratory for the Integrated Use of Nutritional Resources, Kingenta Ecological Engineering Group Ltd., Linshu, Shandong 276700, China