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Emeritus Professor K.D.N. Weerasinghe
Specialized Areas
• Navaratne, C.M. and Weerasinghe, K.D.N and Bopitiya, K.S.D., Comparative study of an appropriate subsurface pot irrigation and drip irrigation systems for vegetable production in home gardens. SLAAS Abstracts 1997.
• Navaratne, C.M. and Weerasinghe, K.D.N, Rainwater harvesting for Agro-ecological risk elimination in different agro-ecological regions of Matara District. SLAAS Abstracts 1998.
• Ranasinghe, S., Bopitiya, K.S.D., Weerasinghe, K.D.N and Navaratne, C.M., An appropriate subsurface pot irrigation and drip irrigation systems to utilize roof water for vegetable production in home gardens. Rain water harvesting for water security, Vol.I and II 1999.
• Navaratne, C.M., Weerasinghe, K.D.N and Bopitiya, K.S.D., Comparison and selection of a suitable irrigator for a subsurface pot irrigation system for home gardens. SLAAS Abstracts 1999.
• Navaratne, C.M. and Weerasinghe, K.D.N., Identification of Optimum Cropping Calendar and Planting time of vegetables for home gardens in different Agro-ecological locations of Matara District. SLAAS Abstracts 2000.
• Weerasinghe, K.D.N., Navaratne, C.M., 2003. History of Hydraulic Civilization and Irrigation systems development in Sri Lanka. Proceedings of the India French round table Discussion on Water Management in Rural South India and Sri Lanka; Emerging themes and critical issues 2001. French Institute of Pondicherry, pondecherry.
• Navaratne, C.M. and Weerasinghe, K.D.N. Agro-Climatic Approach To Minimize The Risk Associated With Water Scarcity In Different Locations Of Matara District. Journal of PGIA, PGIA Annual Congress, 2002.
• Navaratne, C.M. and Weerasinghe, K.D.N. Agroclimatic Potential Assessment for Crop Intensification in Southern Sri Lanka. Eighth Annual Forestry and Envirnment Symposium, 12th -13th December, 2002, Hikkaduwa Sri lanka.
• Navaratne, C.M., Weerasinghe, K.D.N. and Jayasuriya, N. Rainwater harvesting for Risk elimination in home gardens. Proceedings of a National Workshop on Water for Agriculture and Rural Development in Sri Lanka held at Hotel Club Palm Bay, Marawila 10 Feb. 2003. Organised by Ministry of Irrigation and Water Management, Food and Agriculture Organization and The Japanese Institute of Irrigation and Drainage.
• Navaratne, C.M., Weerasinghe, K.D.N. and Jayasuriya, L.N.N. 2003, Optimum Cropping Calendar for Home Garden Vegetable Crop Production International Conference on Water and Environment, Bophal, India in December 15-18, 2003.
• Navaratne, C.M. and Weerasinghe, K.D.N. 2004. Submetted a report on Agro-Climatic potential and risk assessment for crop intensification in home gardens of Southern Sri Lanka. Climate change secretariat of Sri Lanka, Environmental Economics and Global Affairs Division, Ministry of Environment and Natural Resources, Battaramulla, Sri Lanka.
• Gunaratne, M.H.J.P., Navaratne, C.M. and Weerasinghe, K.D.N. 2004, Agroclimatic Risk Assessment in Hambantota Region. Ninth Annual Forestry and Envirnment Symposium, 27th 28th February 2004, University of Sri Jayawardenapura, Nugegoda, Sri Lanka.
• Navaratne, C.M., Jayasuriya, L.N.N. and Weerasinghe, K.D.N. 2004, Food Security And Poverty Alleviation For Rural Women In Sri Lanka: Rainwater Harvesting For Home-Garden Development. “”Achieving WSSD Targets and Meeting Millennium Development Goals (MDGs): Role of Global Water Partnership-South Asia”” ,13-15 July 2004, Dhaka, Bangladesh.
• Navaratne, C.M., Weerasinghe, K.D.N. and Jayasuriya, L.N.N., Rainwater harvesting and Roof Runoff Coefficients, International Conference On Sustainable Water Resources Management In The Changing Environment Of The Monsoon Region, 17-19 November 2004, Colombo, Sri Lanka.
• Gunaratne, M.H.J.P., Navaratne, C.M. and Weerasinghe, K.D.N. 2004. Effect of Rainfall on Cropping Pattern of Farmers in Hambantota District. Proceedings of Second Academic Sessions, 16th December 2004, University of Ruhuna, Matara, Sri Lanka.
• Navaratne, C.M., Weerasinghe, K.D.N. and Jayasuriya, L.N.N. 2005. Optimum Tank Capacity for Rainwater Harvesting Systems in Home Gardens. Mainstreaming Rainwater Harvesting. XII International Rainwater Catchment Systems Conference, November 15 -18, 2005, Intercontinental Eros, Nehru Place, New Delhi, India.
• Navaratne, C.M., Gunaratne, M.H.J.P. and Weerasinghe, K.D.N, 2005. Demarcation of rainfall onset for field crop production in Hambantota District through climatic water balance approach, SLAAS Abstracts 2005.
• Navaratne, C.M. Fasly M S M and Weerasinghe, K.D.N, 2005. A Computer based DSS (Decision Support System) for rainfall analysis SLAAS Abstracts 2005.
• Navaratne, C.M. and Weerasinghe, K.D.N 2005. Influence of present rainfall pattern for traditional paddy cropping calendar: A case study at Mapalana; Southern Sri Lanka. SLAAS Abstracts 2005.
• Navaratne, C.M. and Weerasinghe, K.D.N 2006. Impact of Climate Change on Cropping calendar of Field Crops: A Case Study Home Gardens in Southern Sri Lanka. 10th Anniversary International Symposium, 4 – 8 July 2006, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka.
• Navaratne, C.M., Weerasinghe, K.D.N. and Jayasuriya, L.N.N. 2006. Low-cost Auto-controlled subsurface irrigators for home garden irrigation systems in Sri Lanka. 3rd APHW Conference, October 16 -18, 2006, Bangkok, Thailand.
• Navaratne, C.M., Weerasinghe, K.D.N. And Jayasuriya, L.N.N. 2006. An Auto Irrigation System For Home Gardens In Sri Lanka. Sustainable Development Of Water Resources, Water Supply And Environmental Sanitation, 32nd WEDC International Conference, 13 – 17 November 2006, Colombo, Sri Lanka.
• Navaratne C.M., Weerasinghe, K.D.N. and Rathnayaka, C. 2007. An Improved Technique of Rainfall Analysis: A Case Study in Mapalana Catchment. Forth Academic Sessions, 29thth January, 2007. University of Ruhuna, Matara, Sri Lanka.
• Premanath, G.D.I., Navaratne, C.M. and Weerasinghe, K.D.N. 2004, Rainwater Harvesting for Risk Elimination in Home Gardens: A Case Study in Hambantota District. Ninth Annual Forestry and Envirnment Symposium, 27th – 28th February 2004, University of Sri Jayawardenapura, Nugegoda, Sri Lanka.
• Weerasinghe K.D.N. and Alwis, P., Physical properties of Red Yellow Podzolic soils under Rubber Cinnamon and Coconut cultivation in Mapalana Research Farm, Rohana 1, 55-58, University of Ruhuna, 1985.
• A paper presented on “Influence of C: N and C: P ratios on rice straw biomethanation.” At Fifty eighth Annual session of Sri Lanka Association for the Advancement of Science: Pp 58 (2002, DEC) G.Y.Jayasinghe & K.D.N.Weerasinghe.
• A paper presented on “Assessment of the composition and the volume of biogas liberation from agricultural wastes.” at Proceedings of Eighth annual forestry congress held at coral gardens hotel Hikkaduwa, Sri Lanka Pp: 46(2002, Dec) G.Y.Jayasinghe & K.D.N.Weerasingh.
• A paper presented on “Manipulation of methane and biogas production of rice straw biomethanation” At Fifty ninth Annual session of Sri Lanka Association for the Advancement of Science : Pp 62 (2003,DEC) G.Y.Jayasinghe & K.D.N.Weerasinghe.