The electronic version of the Tr

The electronic version of the Tropical Agricultural Research Volume 22, Number 4, 2011

ISSN: 1016.1422

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	Research Articles	Page

1.	Trade Competitiveness of Agroforestry Crop Sector in Sri Lanka	338
	S. Thamiem, J. Weerahewa, D.K.N.G. Pushpakumaraand V.P. Singh
2	*Effect of Purple Nutsedge (Cyperus rotundus) Population Densities on Onion (Allium cepa) as Influenced by Nitrogen in the Eastern Province of Sri Lanka*	348
	T. Geretharan, U.R. Sangakkara and V. Arulnandhy
3	Optimization of Environmental Parameters for Short-term Storage of Big Onions and Evaluation of the Feasibility of Controlled Environmental Storage	356
	R.S. Sabaragamuwa, D.A.N. Dharmasena and J. Mannaperuma
4	*Genetic Diversity at Toll Like Receptor 7 (TLR7) Gene of Sri Lankan Indigenous Chicken and Ceylon Jungle Fowl (Gallus* lafayetti)**	367
	*P.B.A.I.K. Bulumulla^, P. Silva and H. Jianlin**
5	Socioeconomic Implications of Water Pollution in an Urban Environment A Case Study in Meda Ela Catchment, Kandy, Sri Lanka	374
	A.W.G.N. Abeygunawardane, N.D.K. Dayawansa and S. Pathmarajha
6	*A Locally Isolated Entomopathogenic Fungus to Control Tea Red Spider Mites (Oligonychus coffeae* Acarina -Tetranychidae)**	384
	P.G.D.S. Amarasena, K.M. Mohotti and D. Ahangama
7	Association between Nutritional Status and Life Style Practices of Primary School Children in the Colombo District: A Pilot Study	392
	R.M.L.R. Thilakarathne and D.G.N.G. Wijesinghe
Short Communications
8	Effect of 6-BAP and Sucrose Pulsing on Vase Life of Lotus (Nelumbo nucifera)	402
	K.B.B. Chathuri and K.H. Sarananda
9	*Determination of Optimum Male: Female Ratio and Salinity Level for Larval Production of Macrobrachium rosenbergii* (De Man 1879) under Sri Lankan Conditions**	410
	*R.M.G. Ratnayake, T. Sivananthawerl , C.N. Walpita and U. Edirisinghe*