Adnan Mustafa, Graduate School of Chinese Academy of Agricultural Sciences Beijing, Beijing City, China, Qudsia Saeed, College of Natural Resources and Environment, Northwest Agriculture and Forestry University, Yangling- 712100, P. R. China, Yangling, China, Muhammad Nadeem Ashraf, National Engineering Laboratory for Improving Quality of Arable Land, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing-100081, P. R. China, Beijing, China, Andrew S. Gregory, Department of Sustainable Agriculture Sciences, Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, United Kingdom, Hertfordshire, United Kingdom, Muhammad Muhammad Naveed3, Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad-38040, Pakistan, Faiasalabad, Pakistan, Jian Wang, Canadian Light Source Inc., University of Saskatchewan, Saskatchewan, SK S7N2V3, Canada, Saskatchewan, Canada and Minggang Xu, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China