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Item The influence of 'lungs' on carbohydrate reserves and growth of shoots(The Tea Research Institute. Talawakele, 1965) Nagarajah, S.; Pethiyagoda, U.Item Studies on the mineral nutrition of tea - techniques for growing tea plants in sand culture(The Tea Research Institute. Talawakele, 1969) Pethyagoda, U.; Krishnapillai, S.; Nagarajah, S.