Tea Quarterly

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The use of plucking machines for harvesing tea
(Tea Research Institute. Thalawakele, 1982) Watson, M.; Bandaranayake, J.I.H.; Wettasinghe, D.T.
Effect of mineralization of tea prunings on some soil characteristics
(Tea Research Institute. Thalawakele, 1981) Weeraratna, C.S.; Watson, M.; Wettasinghe, D.T.
The use of plucking machines for harvesting tea
(Tea Research Institute. Thalawakele, 1982) Watson, M.; Bandaranayake, J.I.H.; Wettasinghe, D.T.
Effect of type of nitrogenous fertilizer on the leaf nutrient composition of low-grown tea in Sri Lanka
(1982) Watson, M.; Wettasinghe, D.T.
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.