2.NSF Publications
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Item Identification of drought prone agro-ecological regions in Sri Lanka(National Science Foundation:Colombo, 2008-6) Chithranayana, R.D.; Punyawardena, B.V.R.Item Characterization of heavy rain and subsequent dry periods during the North-East monsoon in the dry zone of Sri Lanka(National Science Foundation:Colombo, 2006) De Silva, R.P.; Punyawardena, B.V.R.; Chandralal, W.D.R.