Profile Distribution of Soil Organic Carbon in Major Land Use Systems in Bishalgarh Block, Tripura - K.D. Sah, D.C. Nayak, S.K. Singh and S.K. Ray, S.K. Reza*, P. Ray, S. Ramachandran, S. Bandyopadhyay, S. Mukhopadhyay (Journal of the Indian Society of Soil Science, 2019)