P. K. SHARMA  is a Faculty in Department of Soil Science and Agricultural Chemistry ,Raja Balwant Singh College, Bichpuri, Agra- (Uttar Pradesh), 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.

Contents of complexed Zn, DTPA-extractable Zn, occluded Zn, residual Zn, uptake, zinc sulphate