TRI Publications
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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 Acid phosphatases of the tea leaf(The Tea Research Institute. Talawakele, 1967) Tirimanna, A.S.L.Item Studies on the use of urea as a fertilizer for tea in Ceylon 2. urease activity in soils(Tea Research Institute. Thalawakele, 1970) Bhavanandan, V.P.; Fernando, V.Item Studies on the use of urea as a fertilizer for tea in Ceylon I. introduction and preliminary observations(TRI. Talawakele, 1970) Bhavanandan, V.P.