S. N. SINGH  is a  faculty in Department of Agricultural Chemistry and Soil Science Udai Pratap Autonomous College, Varanasi-221 002 (U. P.), India. His  international experience includes various programs, contributions and participation in different countries for diverse fields of study. He is the Member of the Scientific / Professional Organizations. His research interests reflect his wide range of publications in various national and international journals.

Nickel, sulphur, wheat