Journals
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Item Potential of using entomopathogenic nematodes to control up-country live-wood termite (Postelectrotermes militaris)(Tea Research Institute. Talawakele, 1993) Amarasinghe, L.D.; Hominick, W.M.Item Effect of Jawan a neem based natural pesticide in controlling nematode pests of tea(Tea Research Institute. Talawakele, 1993) Gnanapragasam, N.C.; Mohotti, M.; Sureshkumar, B.; Udamulla, G.P.Item Shade and green manure trees in tea. a historical appraisal(Tea Research Institute. Talawakele, 1993) Sivapalan, P.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.