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Item Adaptation of agricultural crop production to climate change:A policy framework for Sri Lanka(NSF:Colombo, 2010-06) De Costa, W.A.J.M.Item Prediction of the effects of elevated CO2 and temperature on irrigated rice yields in the low-country dry zone of Sri Lanka using a process-based simulation model(National Science Foundation of Sri Lanka, 2000-09) De Costa, W.A.J.M.Item Estimation of carbon stocks in the forest plantations of Sri Lanka(National Science Foundation:Colombo, 2012-03) De Costa, W.A.J.M.; Suranga, H.R.Item Effects of shade and water stress on growth and related physiological parameters of the seedlings of five forest tree species(National Science Foundation:Colombo, 2000) De Costa, W.A.J.M.; Rozana, M.F.Item Climate change research in Sri Lanka – Are we investing enough?(National Science Foundation:Colombo, 2012-12) De Costa, W.A.J.M.Item Estimation of water use of mature coconut (Cocos nucifera L.) cultivars (CRIC 60 and CRIC 65 ) grown in the low country intermediate zone using the compensation heat pulse method (CHPM)(National Science Foundation:Colombo, 2009-9) Madurapperuma, W.S.; De Costa, W.A.J.M.; Sangakkara, U.R.; Jayasekara, C.Item Climate change in Sri Lanka:myth or reality? evidence from long-term meteorological data(National Science Foundation:Colombo, 2008-11) De Costa, W.A.J.M.Item Relationship between stomatal conductance and leaf water potential in selected forest tree species growing under different levels of natural shade in the mid country wet zone(National Science Foundation:Colombo, 2000) De Costa, W.A.J.M.; Abeysinghe, W.A.M.W.K.S.B.; Chandrapala, A.G.Item Effects of water stress on nitrogen fixation of common bean (Phaseolus vulgaris L.)(NARESA:Colombo, 1997) De Costa, W.A.J.M.; Becher, M.; Schubert, S.Item Relationship between stomatal conductance and leaf water potential in selected forest tree species growing under different levels of natural shade in the mid country wet zone(National Science Foundation of Sri Lanka, 2000-03) De Costa, W.A.J.M.; Abeysinghe, W.A.M.W.K.S.B.; Chandrapala, A.G.