Official journal of the Postgraduate Institute of Agriculture, University of Peradeniya. Full text articles available.

Vol 22, No 4 (2011)
Table of Contents
Research Articles
| Trade Competitiveness of Agroforestry Crop Sector in Sri Lanka | |
| S Thamiem, J Weerahewa, DKNG Pushpakumara, VP Singh | 338-347 |
| Effect of Purple Nutsedge (Cyperus rotundus) Population Densities on Onion (Allium cepa) as Influenced by Nitrogen in the Eastern Province of Sri Lanka | |
| T Geretharan, UR Sangakkara, V Arulnandhy | 348-355 |
| Optimization of Environmental Parameters for Short-term Storage of Big Onions and Evaluation of the Feasibility of Controlled Environmental Storage | |
| RS Sabaragamuwa, DAN Dharmasena, J Mannaperuma | 356-366 |
| Genetic Diversity at Toll Like Receptor 7 (TLR7) Gene of Sri Lankan Indigenous Chicken and Ceylon Jungle Fowl (Gallus lafayetti) | |
| PBAIK Bulumulla, P Silva, H Jianlin | 367-373 |
| Socioeconomic Implications of Water Pollution in an Urban Environment A Case Study in Meda Ela Catchment, Kandy, Sri Lanka | |
| AWGN Abeygunawardane, NDK Dayawansa, S Pathmarajha | 374-383 |
| A Locally Isolated Entomopathogenic Fungus to Control Tea Red Spider Mites (Oligonychus coffeae Acarina -Tetranychidae) | |
| PGDS Amarasena, KM Mohotti, D Ahangama | 384-391 |
| Association between Nutritional Status and Life Style Practices of Primary School Children in the Colombo District: A Pilot Study | |
| RMLR Thilakarathne, DGNG Wijesinghe | 392-401 |
Short Communications
| Effect of 6-BAP and Sucrose Pulsing on Vase Life of Lotus (Nelumbo nucifera) | |
| KBB Chathuri, KH Sarananda | 402-409 |
| Determination of Optimum Male: Female Ratio and Salinity Level for Larval Production of Macrobrachium rosenbergii (De Man 1879) under Sri Lankan Conditions | |
| RMG Ratnayake, T Sivananthawerl, CN Walpita, U Edirisinghe | 410-415 |
Tropical Agricultural Research ISSN 1016-1422
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