4.Journals Published in Sri Lanka
Permanent URI for this communityhttps://dl.nsf.gov.lk/handle/1/6840
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Item The current thinking on the substitution of urea for sulphate of ammonia in tea plantations(TRI:Talawakele, 1986) Wickremasinghe, K.N.Item Effect of urea and ammonium sulphate on the nitrification and the release of potassium , magnesium and calcium in acid tea soils(Tea Research Institute. Talawakelle, 1985) Wickremasinghe, K.N.; Nalliah, P.; Wijedasa, M.A.Item Influence of levels of nitrogen and potassium fertilizers on chlorophyll content in mature clonal tea leaves(Tea Research Institute. Talawakelle, 1986) Krishnapillai, S.; Ediriweera, V.L.Item Effect of urea and ammonium sulphate on sulphur nutrition of tea(Tea Research Institute. Talawakelle, 1986) Wickremasinghe, K.N.; Ananthacumaraswamy, S.; Amarasekera, A.R.Item Fertilizer for rice(Central Agricultural Research Institute:Peradeniya, 1970) Thenabadu, M.W.Item Effect of applied N,P and K on growth and yield of cardamom (Elettaria cardamomum Maton)(Soil Science Society of Sri Lanka:Colombo, 1992) Sumanasena, H.A.; Dharmadasa, M.; Gunaratne, W.D.L.; Wickramasinghe, P.J.Item Potato management and cover crop effects on soil residual nitrate(Soil Science Society of Sri Lanka:Colombo, 1998) Fernando, M.S.W.; Mosely, A.R.; McMorran, J.P.; Clough, G.Item Recent trends in fertilizer use on pasture in Ceylon(Central Agricultural Research Institute:Peradeniya, 1970) Fernando, G.W.E.Item Inhibitory effects of commercial potassium chloride on the nitrification rates of added ammonium sulphate in an acid red yellow podzolic soil(Tea Research Institute. Thalawakele, 1984) Golden, D.C.; Sivasubramaniam, S.; Sandanam, S.; Wijedasa, M.A.Item A comparative study of the efficiency of utilization of urea and ammonium sulphate by mature tea plants using N-15 labelled fertilizers(Tea Research Institute. Thalawakele, 1984) Wickramasinghe, K.N.; Nalliah, P.; Paramasivam, S.