Browsing by Author "Wettasinghe, D.T."
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Item Effect of mineralization of tea prunings on some soil characteristics(Tea Research Institute. Thalawakele, 1981) Weeraratna, C.S.; Watson, M.; Wettasinghe, D.T.Item Effect of nitrogen, phosphorus, potassium and magnesium fertilizers on the leaf nutrient composition of low-grown tea in Sri Lanka(Tea Research Institute. Thalawakele, 1980) Wettasinghe, D.T.; Watson, M.Item Effect of severity of plucking on the growth and yield of low grown tea(Tea Research Institute. Thalawakele, 1981) Wettasinghe, D.T.; Nathaniel, R.K.; Kroon, D.D.Item The effect of the use of herbicides for the control of weeds on the environment(Tea Research Institute. Thalawakele, 1971) Wettasinghe, D.T.Item The effect of the use of herbicides for the control of weeds on the environment(Tea Research Institute. Thalawakele, 1971) Wettasinghe, D.T.Item Effect of type of nitrogenous fertilizer on the leaf nutrient composition of low-grown tea in Sri Lanka(1982) Watson, M.; Wettasinghe, D.T.Item Evaluation of herbicides for weed control in mature tea -1- effects on the weed species(The Tea Research Institute. Talawakele, 1969) Wettasinghe, D.T.Item Fertilizer recommendations for tea in Ceylon 1969(The Tea Research Institute. Talawakele, 1969) Fernando, L.H.; Bhavanandan, V.P.; Wettasinghe, D.T.; Manipura, W.B.Item Growth analysis studies in clonal tea (Camellia sinensis (L.) O. Kuntze)(Tea Research Institute. Thalawakele, 1983) Wadasinghe, G.; Wettasinghe, D.T.Item Rectangular lattice design for evaluating yield of tea clones(Tea Research Institute. Thalawakele, 1979) Wettasinghe, D.T.; Kanapathipillai, P.; Sebastiampillai, A.R.Item A simplified land suitability classification for tea(Tea Research Institute. Thalawakele, 1980) De Alwis, K.A.; Fernando, L.H.; Jayasooriya, S.E.; Kulasegaram, S.; Perera, M.B.A.; Sandanam, S.; Sivasubramaniam, S.; Wettasinghe, D.T.Item Tea in North-East India(Tea Research Institute. Thalawakele, 1972) De Silva, R.L.; Wettasinghe, D.T.; Calnaido, D.Item The Tea Research Institute of Sri Lanka(NARESA:Colombo, 1980) Wettasinghe, D.T.Item The use of plucking machines for harvesing tea(Tea Research Institute. Thalawakele, 1982) Watson, M.; Bandaranayake, J.I.H.; Wettasinghe, D.T.Item The use of plucking machines for harvesting tea(Tea Research Institute. Thalawakele, 1982) Watson, M.; Bandaranayake, J.I.H.; Wettasinghe, D.T.