Browsing by Author "Wijedasa, M.A."
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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 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.