4.Journals Published in Sri Lanka
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Item The use of plucking machines for harvesing tea(Tea Research Institute. Thalawakele, 1982) Watson, M.; Bandaranayake, J.I.H.; Wettasinghe, D.T.Item Growth analysis studies in clonal tea (Camellia sinensis (L.) O. Kuntze)(Tea Research Institute. Thalawakele, 1983) Wadasinghe, G.; 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 Tea in North-East India(Tea Research Institute. Thalawakele, 1972) De Silva, R.L.; Wettasinghe, D.T.; Calnaido, D.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 The use of plucking machines for harvesting tea(Tea Research Institute. Thalawakele, 1982) Watson, M.; Bandaranayake, J.I.H.; 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 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.