Shaukat Abro1, Xiaohong Tian2*, Donghai You1, Yuling Ba2, Meng Li2, and Faqi Wu2
1College of Resources and Environment, Northwest University, China.
2College of Resources and Environment, Open Laboratory for Plant Nutrition and Agricultural Resources and in Northwest of Agriculture Ministry of China, Yangling, 712100 Shaanxi, P. R. China.
