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A.K. Kolay

A.K. Kolay, M.Sc. (Agriculture), Ph.D., is a retired professor from the School of Agricultural Science & Rural Development, North Eastern Hill University, Shillong. Earlier he served at the Soil Conservation Department of the Government of Himachal Pradesh and also at the National Bureau of Soil Survey and Land Use Planning, New Delhi. He has authored many books which include Manures and Fertilizers; Water and Crop Growth and Soil Genesis, Classification Survey and Evaluation.