Welcome to National Innovations in Climate Resilient Agriculture, Indian Agricultural Research Institute

Dr. Tapan Jyoti Purakayastha

Name: Dr. Tapan Jyoti Purakayastha
Designation: Principal Scientist
Phone: +91 9868091129
E-mail: tpurakayastha@gmail.com









Specialization: Soil carbon sequestration for mitigating climate change

Research Interests:

Dr T. J. Purakayastha is a Principal Scientist in the Division of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute, New Delhi. He obtained his masters as well as doctoral degrees from Indian Agricultural Research Institute, New Delhi. He is actively engaged in research in the area of soil carbon sequestration, soil quality and phytoremediation. He has published more than forty peer-reviewed papers in various national and international journals of repute. He guided two M.Sc. and four Ph.D. students of the Division. Dr Purakayastha is actively involved in teaching post graduate students of the Division. He visited USA as a post doctoral fellow in two occasions under prestigious BOYSCAST Fellowship of DST, Govt. of India and Fulbright Senior Research Fellowship.

Recent Publications:

1. Viswanath, Thulasi, Pal Deo, Purakayastha, T. J. (2010) Elevated CO2 reduces rate of decomposition of rice and wheat residues in soil. Agriculture Ecosystems and Environment 139: 557-564.


2. Purakayastha, T.J., Huggins, D.R. and Smith, J. L. (2008) Carbon sequestration in native Prairie, perennial grass, no-till, and cultivated Palouse silt loam. Soil Science Society of America Journal 72: 534-540.


3. Purakayastha, T. J., Rudrappa, L., Singh, Swarup, A. and S. Bhadraray (2008) Long-term impact of fertilizers on soil organic carbon pools and sequestration rates in maize-wheat-cowpea cropping system. Geoderma 144: 370-378.


4. Purakayastha, T. J., Chhonkar, P.K., Bhadraray, S., Patra, A. K., Verm, V. and Khan, M .A. (2007) Long-term impacts of different land use and soil management on various organic carbon fractions in an Inceptisol of subtropical India. Australian Journal of Soil Research 45: 33-40.


5. Rudrappa, L., Purakayastha, T. J., Singh, Dhyan, Bhadraray, S. (2006) Long-term manuring and fertilization effects on soil organic carbon pools in a Typic Haplustept of semi-arid sub-tropical India. Soil and Tillage Research 88: 180-192.