Tea Quarterly
Permanent URI for this collectionhttps://dl-tri.nsf.gov.lk/handle/1/68
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Item Chemical and biological control of insects in perennial crops. a review(Tea Research Institute. Thalawakele, 1952) Webster, B.N.Item The establishment of green manures in mature tea areas(Tea Research Institute. Thalawakele, 1952) Haworth, F.Item Soil erosion and conservation in ceylon with special reference to tea lands(Tea Research Institute. Thalawakele, 1971) Manipura, W.B.Item Environmental factors affecting plant disease(Tea Research Institute. Thalawakele, 1971) Peris, O.S.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 Fungicides and the tropical environment(Tea Research Institute. Thalawakele, 1971) Shanmuganathan, N.Item The environmental hazards of pesticide used in Ceylon's agriculture(The Tea Research Institute. Talawakele, 1971) Wickremasinghe, N.Item Implications of the pesticide age(The Tea Research Institute. Talawakele, 1971) Moore, N.W.Item The effects of infection by Pratylenchus loosi and of soil fumigation on the growth of young tea plants in different soil types(The Tea Research Institute. Talawakele, 1971) Sivapalan, P.Item Studies on the mineral nutrition of tea - 4 ammonium and nitrate as forms of nitrogen fro tea plants in sand culture(The Tea Research Institute. Talawakele, 1971) Pethiyagoda, U.; Krishnapillai, S.