Dharmasiri, R. K. Lal Mervin2013-06-212013-06-212008Sri lanka Journal of Agrarian studies, 12(1):pp.53-68https://dl-harti.nsf.gov.lk/handle/1/203Crop DiversificationSustainable AgricultureCrop Diversification for Sustainable Agriculture: A Case Study from the Mahaweli Development Programme of Sri Lanka