Mandal, Raju Cropping pattern and crop diversification in flood-prone and flood-free agro-economic environments in Assam - Gauhati Gauhati University 2011 - vii, 175 includes bibliography Subjects--Topical Terms: Cropping systems--India--AssamCrop diversification--India--AssamAgriculture--Economic aspects--India--Assam Dewey Class. No.: TM.0507