Journals
Permanent URI for this communityhttps://dl-tri.nsf.gov.lk/handle/1/67
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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 A short history of the Tea Research Institute of Ceylon(1967) De Silva, R.L.