Browsing by Author "De Costa, W.A.J.M."
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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 Application of biogas technology as a environmental friendly technique to manage rice straw(2014) Gamage, D.A.S.; Basnayake, B.F.A.; De Costa, W.A.J.M.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 Climate change research in Sri Lanka – Are we investing enough?(National Science Foundation:Colombo, 2012-12) De Costa, W.A.J.M.Item Decomposition and nutrient loss from prunings of different contour hedgerow species in tea plantations in the sloping highlands of Sri Lanka(2001) De Costa, W.A.J.M.; Atapattu, A.M.L.K.Item Determination of resource competition and soil fertility regeneration in sloping agricultural land technology (SALT) for tea in the up-country wetzone (WU2) of Sri LankaWijenaike, W.C.; De Costa, W.A.J.M.; Mapa, R.B.Item Determination of the appropriate level of salinity for screening of hydroponically grown rice for salt tolerance(National Science Foundation:Colombo, 2012-06) De Costa, W.A.J.M.; Wijeratne, M.A.D.; De Costa, D.M.; Zahra, A.R.F.Item Effect of potassium and water availability on water use efficiency of common bean (Phaseolus vulgaris L.)(NSF:Colombo, 1997) De Costa, W.A.J.M.; Liyanage, L.P.Item Effect of soil moisture stress at selected stages of growth on the net photosynthetic rate and stomatal resistance and their impact on the yield of chilli (capsicum annuum L.)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2000) Mahendran, S.; Bandara, D.C.; De Costa, W.A.J.M.Item Effect of two different water regimes on growth and yield of different groundnut (Arachis hypogaea L.) genotypes in Sri Lanka(2001) De Costa, W.A.J.M.; Nayakarathne, N.M.R.S.Item Effects of irrigation at different growth stages on yield components and yield of Soybean (Glycine max(L.) Merr.) grown in the low country dry zone of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1996) Shunmugathasan, K.N.; De Costa, W.A.J.M.; Joseph, K.D.S.MItem 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 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 The electromagnetic potential gradient, Ca2+ and starch-statoliths on the uneven growth of plants(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2010) Wanduragala, P.S.B.; Eeswara, J.P.; 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 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 Evaluation of a climate change-adaptive, eco-friendly agronomic package for potato (solanum tuberosum l.) cultivation in the farmer fields of the Jaffna district of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015) Eeswaran, R.; De Costa, W.A.J.M.; De Costa, D.M.; Dandeniya, W.S.; Sivakumar, S.; Suriyagoda, L.D.B.Item Evaluation of different genotypes of tomato under well watered and water stressed conditions on the basis of yield and some selected physiological parameters(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2003) Weerasinghe, O.R.; De Costa, W.A.J.M.; Perera, A.L.T.Item Evaluation of sloping agricultural land technology SALT as a means of ensuring sustainability of tea yields in the up country wet-zone (WU 2) of Sri Lanka(2002) De Costa, W.A.J.M.; Surenthran, P.Item Factors responsible for productivity of food legumes. findings of a farmer survey in the Kurunegala district, Sri Lanka(Faculty of Agriculture, University of Ruhuna. Kamburupitiya, 1998) Hettiarachchi, M.P.; De Costa, W.A.J.M.; Jayasekera, S.J.B.A.
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