Journals
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Item Minimizing the water supply duration in the field with no reduction of yield in the rice variety BG 250 of the ultra-short maturity class(NSF. Colombo, 2011) Abeysiriwardana, D.S.de Z.; Bslasooriya, B.A.N.K.; Somarathna, N.S.; Dissanayake, D.M.N.Item Studies on the quality of irrigation waters in Kalawewa area(Nationa Science Council:Colombo, 1981) Gunawardhana, H.D.; Kumudini, A.M.; Adikari, R.Item The application of rainfall confidence limits to crop water requirements in dry zone agriculture in Sri Lanka(National Science Council:colombo, 1974) Panabokke, C.R.; Walgama, A.Item Increasing farm lncomes and efficiency of resource use under peasant farming conditions in Sri Lanka(NSC:Colombo, 1975) Amerasinghe, N.Item An investigation of the factors affecting paddy yields from two districts(National Science Council:Colombo, 1984) Leaker, A.Item Crop response to methods of surface water distribution(National Science Council:Colombo, 1984) Senanayake, N.Item A method to estimate dependable rainfall in monthly, weekly and ten day intervals for Sri Lanka(National Science Council:Colombo, 1991) Weerasinghe, K.D.N.Abstract available from Library, Please quote title when requestingItem A mathematical model of a problem on land alienation to landless farmers(National Science Council:Colombo, 1992) Epasinghe, P.W.Item Sustainable groundwater resource management in the Thirappane tank cascade system(National Science Foundation:Colombo, 2002) De Silva, C.S.Item Mahaweli:what next?(NARESA:, 1986) David, A.K.