Browsing by Author "Gunasena, H.P.M."
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Item Effect of spacing and nitrogen on growth and yield of manioc, Manihot esculenta Crantz growth as an intercrop under coconut(National Science Council:Colombo, 1980) Gunasena, H.P.M.; De Silva, N.T.M.H.; Martin, M.P.L.D.Item Evaluation of herbicides for rain-fed upland rice, Oryza sativa L.(National Science Council:Colombo, 1974) Gunasena, H.P.M.; Kannangara, H.W.Abstract available from Library, Please quote title when requestingItem Evaluation of Leucaena leucocephala (Lam) de. Wit germplasm for Psyllid resistance(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1989) Hitinayake, H.M.G.S.B.; Gunasena, H.P.M.; Wickramasinghe, I.P.Item Growth of cuttings of tea (Camellia sinensis) clones at varying levels of fertilizer(Tea Research Institute. Thalawakele, 1982) Kathiravetpillai, A.; Kulasegaram, S.; Senanayake, Y.D.A.; Gunasena, H.P.M.Item Lysimetric studies on N-losses under different fertilizer management systems(National Agricultural Society of Sri Lanka:Peradeniya, 1988) Premaratne, K.P.; Gunasena, H.P.M.Item Nitrogen use and economics of intercropping in Sri Lanka(National Science Council:Colombo, 1981) Gunasena, H.P.M.Item Reproductive biology of Calliandra calothyrsus in relation to its seed production in Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1995) Rajaselvam, R.J.; Gunasena, H.P.M.; Wickramasinghe, I.P.Item Strategies for increasing agricultural productivity in the 21st century(Faculty of Agriculture, University of Ruhuna. Kamburupitiya, 2003) Gunasena, H.P.M.Item Strategies for increasing food production in Sri Lanka. some suggestions for government's food production drive(People's bank. Colombo, 2008) Gunasena, H.P.M.Item Weed dynamics and crop yields in cassava based inter-cropping under coconut(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1991) Jayakody, D.P.P.; Ranamukaarachchi, S.L.; Gunasena, H.P.M.Item Yield variation of Dioscorea yams using mini tubers as a planting material(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1991) Kirthisinghe, J.P.; Gunasena, H.P.M.