Browsing by Author "Abeysingha, I.S.B."
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Item Effect of long-term application of urea and sulphate of ammonia on soil acidity, soil and plants sulphur status,yield and processed black tea quality(Tea Research Institute of Sri Lanka. Talawakelle, 2008) Ananthacumaraswamy, S.; Hettiarachchi, L.S.K.; Jayasundara, J.M.; Abeysingha, I.S.B.