Browsing by Author "Pethiyagoda, U."
Now showing 1 - 19 of 19
- Results Per Page
- Sort Options
Item Activities of the Coconut Research Institute during 1979(Coconut Research Institute:Lunuwila, 1980) Pethiyagoda, U.Item Coconut research - the past, the present and the future(NARESA:Colombo, 1980) Pethiyagoda, U.Item A cure for chronic kidney disease(2012-10-14) Pethiyagoda, U.Item Current trends in physiological enquir(1967) Pethiyagoda, U.Item The determination of leaf areas in tea(The Tea Research Institute. Talawakele, 1965) Pethiyagoda, U.; Rajendram, N.S.Item Effect of four commercial preparations of Bacillus thuringiensis on Opisina arenosella Walker(Coconut Research Institute. Lunuwila, 1983) Kanagaratnam, P.; Pethiyagoda, U.; Velu, M.S.Item Factors affecting nitrification in tea soil and in stored solution(Tea Research Institute. Thalawakele, 1980) Krishnapillai, S.; Pethiyagoda, U.Item Fertilizer applications in the nursery - a cautionary note(Tea Research Institute. Thalawakele, 1970) Pethiyagoda, U.Item The importance of the timing of pruning in relation to recovery(The Tea Research Institute. Talawakele, 1966) Pethiyagoda, U.Item The influence of 'lungs' on carbohydrate reserves and growth of shoots(The Tea Research Institute. Talawakele, 1965) Nagarajah, S.; Pethiyagoda, U.Item An investigation on the suitability of isolated sections of Oryza sativa (L.) coleoptile for auxin assay(University of Peradeniya. Peradeniya, 1957) Tambia, M.S.; Pethiyagoda, U.Item Physiology as a key to rational tea husbandry(The Tea Research Institute. Talawakele, 1967) Pethiyagoda, U.Item Research productivity in Sri Lanka(National Science Foundation:Colombo, 2005) Pethiyagoda, U.Item Some observations on the dormancy of the tea bush(The Tea Research Institute. Talawakele, 1964) Pethiyagoda, U.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.Item Studies on the mineral nutrition of tea 4 - ammonium and nitrate as forms of nitrogen for tea plants in sand culture(Tea Research Institute. Thalawakele, 1971) Pethiyagoda, U.; Krishnapillai, S.Item Studies on the mineral,nutrition of tea 2: experimentally induced .major nutrient deficiency symptoms(1970) Pethiyagoda, U.; Krishnapillai, S.Item A technique for the application of systemic insecticides through petiolar wells in coconut(CRI, 1989) Perera, P.A.C.R.; Mahindapala, R.; Pethiyagoda, U.Item Use of potash fertilizer in agriculture in Sri Lanka(NARESA:Colombo; 40p, 1995) Pethiyagoda, U.