1. Institute of Agricultural Resources and Environment; Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture; Shandong Provincial Engineering Research Center of Environmental Protection Fertilizers, Shandong Academy of Agricultural Sciences, Jinan 250100, P. R. China
2. State Key Laboratory of Nutrition Resources Integrated Utilization, Linshu 276700, P. R. China
3. Kingenta Ecological Engineering Group Co., Ltd. Linshu 276700, P. R. China
4. University of Bayreuth, BZKG, Gottlieb-Keim-Str. 60, 95448 Bayreuth, Germany