1. Key Laboratory of Soil Environment and Nutrient Resources of Shanxi Province, Shanxi Agricultural University, Taiyuan, Shanxi, China
2. Institute of Wheat Research, Shanxi Agricultural University, Linfen, Shanxi, China
3. College of Resources and Environment, Shanxi Agricultural University, Taigu, Shanxi, China
4. State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, Jiangsu, China