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- Weerakoon WMW and WMADB Wickramasinghe, 1999. Present Status and Problems of N fertilizer in Rice in Sri Lanka. Proceedings of the 2nd CREMNET Workshop / Group meeting, 24 – 27 August 1999. Soil and Water Management Research Institute, Thanjavar, Tamilnadu, India.
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- Welagedara, W.M.P.K., B.L.W.K. Balasooriya, W.M.U.K. Rathnayake, W.S.Dandeniya, and I. Amarawansa. 2018. Temporal Variations of Cyanobacteria in Long Term Unfertilized, Organic Fertilized and Inorganic Fertilized Paddy Fields. Proceedings of 17th Agricultural Research Symposium, Wayamba University of Sri Lanka, Sri Lanka
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- Wickramasinghe DB, DN Sirisena, WMUK Rathnayake, HMAB Herath, MenakaJinadari. 2007. Use of GIS to Assess the Spatial Variability of Soil Fertility Characteristics of the Rice Soils in the “ParakramaSamuddraya” irrigation Scheme in Sri Lanka. 8th Conference of East and southeast Asian Federation of Soil Science, Tsukuba, Japan 10:199-210.
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- Wickramasinghe WMADB and JDH Wijewardena, 2000. Soil Fertility Management and Integrated Plant Nutrition Systems in Rice Cultivation In Rice Symposium 2000, Ed by DS de Z Abeysiriwardena, DMN Dissanayake and N Nugaliyadde, Department of Agriculture, Peradeniya Sri Lanka. (125 – 140).
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- Wickramasinghe WMADB, DN Sirisena, WMJ Bandara and JDH Wijewardena. 2003. Response of rice to application of phosphorus in Sri Lankan soils. Proceedings of the Workshop on Use of Phosphorus and potassium fertilizers in Sri Lankan Agriculture. 10-11 July 2003. Post Graduate Institute University of Peradeniya.
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- Wickramasinghe WMADB. and WMW Weerakoon, 2000. Improvement and Sustenance of Soil Fertility – .A key Determinant of Rice Productivity in Sri Lanka, Proceedings of International Workshop on Rice Soil Fertility, April 24 –27, Makati City, Philippines.
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- Wickramasinghe, D B, DN Sirisena, WMUK Ratnayake, HMAB Herath, Menaka Jinadari. 2007. Use of GIS to asses the Spatial Variability of Soil Fertility Characteristics of the rice soils in the “Parakrama Samudra” Scheme in Sri Lanka, Proceedings of the 8th ESAFS Conference, 22-23 October 2007, Tsukuba, Ibaraki, Japan
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- Wickramasinghe, W.M.A.D.B 2014, Soils of Sri Lanka and Biodiversity, Keynote Speech, Proceedings of National Soil Bio Diversity Symposium 2013, 10-11 December 2013, Ministry of Environment and Renewable Energy, Battaramulla, Sri Lanka.
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- Wickramasinghe, WMADB 1994. The solubility of rice straw silica and its use as a silicon source in paddy cultivation. PhD Thesis, University of Reading, UK.
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- Wickramasinghe, WMADB 1995. Yield Stagnation? Management of rice soils for optimum production. Paper presented at Workshop on Rural Credit for Crop Production in Sri Lanka. 21-22 December, 1995, Colombo Sri Lanka.
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- Wickramasinghe, WMADB and A R Dassanayake, 2003. Limitations and Management of Rice lands in the Intermediate Zone of Sri Lanka. 15-17, Proceedings of the 6th East and South East Federation of Soil Science (EASFS) international conference on Soil Management Technology on Low-productivity and Degrades Soils. 24 – 29, November, 2003, National Taiwan University, Taipei, Taiwan.
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- Wickramasinghe, WMADB and JDH Wijewardena, 2000. Soil and Nutrient Management for increasing soil fertility towards increased rice productivity in Sri Lanka. ASDA Annals of the Sri Lanka Department of agriculture, Peradeniya. Vol. 2, 2000. 465 – 482.
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- Wickramasinghe, WMADB, 1990. Use of organic manure in paddy cultivation, Paper presented at the workshop on Use of Organic Manure in Agriculture, Bandarawela, Sri Lanka.W
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- Wickramasinghe, WMADB, 1999. Influence of plough layer depth on growth and yield of rice. ASDA Annals of the Sri Lanka Department of Agriculture, Peradeniya. Vol. 1, 1999. 231 – 236.
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- Wickramasinghe,WMADB, A.R. Dassanayake and D.N. Sirisena 2003, Potassium status of rice growing soils in Sri Lanka In Proceedings of the IPI-NFS International Workshop on Importance of Potassium Fertilizer for Sustainable Production of Plantation and Food crops in Sri Lanka. Ed. VV Nossov and JDH Wijewardena (pp35- 42).
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- Wickramasinghe. D B and DL Rowell. 2006. The release of silicon from amorphous silica and rice straw in Sri Lankan soils. Biology and Fertility of Soils (42 ): 231–246.
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- Wickramasinghe. WMADB 2004. Rice Straw Silica – Solubility characteristics and use as a silicon source in paddy cultivation. Jour. Soil. Sci. Soc. Sri Lanka. Vol 11, 1 – 17.
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- Wickramasinghe. WMADB, 1987, Preliminary studies on Sink Source relationship of some rice varieties under different fertilizer regimes. In Rice Research Workshop 1987. Department of Agriculture/FAO, Sri Lanka.
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- Wickramasinghe.WMADB, BVR Punayawardena 2009. Climate Change Adaptation and Natural Resources Management in Sri Lanka, in Proceedings of the Regional Workshop on Mainstreaming Climate Change Adaptation into Developmental Planning , 14-17 April 2009, ADBI, Tokyo, Japan.
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- Wijesundara. SM, WMADB Wickramasinghe and C Wijesundara. 1995. Management of Chemical and Bio fertilizer In Rice Congress 1990. Ed by SL. Amarasiri, S Nagarajah and BMK Perara. Department of Agriculture, Peradeniya, Sri Lanka.
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- Y M A M Wijeratne, N S Kottearachci, D R Gimjani and D N Sirisena. Sri Lankan Fragrant rice (oryza sativa L.) varieties are associated with decrease salt tolerance 51- 56. Proceedings of the 11th Agriculture Research symposium 20*21st September 2011. Faculty of Agriculture and Plantation Management Wayamba University of Sri Lanka. Makandura, Gonawila ( NWP).
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- Y M A M Wijeratne, N S Kottearachci, D R Gimjani and D N Sirisena. Sri Lankan Fragrant rice (oryza sativa L.) varieties are associated with decrease salt tolerance 51- 56. Proceedings of the 11th Agriculture Research symposium 20*21st September 2011. Faculty of Agriculture and Plantation Management Wayamba University of Sri Lanka. Makandura,
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