Browsing by Author "Wickremasinghe, K.N."
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Item Effect of herbicides on urea hydrolysis in tea soils(Tea Research Institute. Talawakele, 1986) Wimaladasa, G.D.; Wickremasinghe, K.N.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 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 Fate of biuret in tea soils(Tea Research Institute. Talawakele, 1988) Fernando, V.; Wickremasinghe, K.N.; Goonethilake, R.B.Item Fertilizer nitrogen utilization by tea(TRI:Talawakele, 1981) Wickremasinghe, K.N.Item Soil acidity and its effects on soil fertility and nutrient uptake(TRI:Talawakelle, 1982) Wickremasinghe, K.N.Item The current thinking on the substitution of urea for sulphate of ammonia in tea plantations(TRI:Talawakele, 1986) Wickremasinghe, K.N.Item The use of Eppawela apatite for tea in Sri Lanka(Tea Research Institute. Thalawakele, 1981) Sivasubramaniam, S.; Wickremasinghe, K.N.; Ayadurai, S.