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- D. N. Sirisena, W. M. N. Wanninayake, S. S. S. Weralugolla and A G .S. D. Silva, 2016. Assessment of most popular three months age rice varieties for Zinc (Zn) accumulation in brown rice. Annual of the Sri Lanka Department of Agriculture 18: 144 – 148 Â
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- Dilani, P.V.D., C.M Nanayakkara. and D.N Sirisena,. (2016). Trichoderma virens mediated rock phosphate solubilization: A potential replacement for triple super phosphate in rice cultivation, Proceedings of the 21
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- Elke, Mattthiasa Wissawa, Terry Rose, Ibnou Dieng, Khady N Drame, Mamadou Fofana, Kalimuthu Senthilkamar Ramaiah Venuprasad, Demba Jallow, Zacharie Segda, Lalith Suriyagoda, Dinaratne Sirisena, Yochiro Kato, Kazuki Saito, 2016. Genotypic variation in grain P loading across diverse rice growing environments and Implication for field P balances. frontiers in Plant Science. doi:103389/fpls 2016/01435. 1- 14Â
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-  G S N Perera, D N Sirisena and D M S Duminda. 2011. Potassium split application in irrigated rice on rice straw added red yellow podzolic soils. Proceedigns of the Undergarduate Research symposium 2011. Faculty of Agriculture , Rajarata university of Sri Lanka. 16. September 2011.Â
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- Gallage, P. N., C. M Nanayakkara,. and D. N Sirisena, (2015). Rice rhizophere manipulation with Trichoderma virens for effective phosphorous management. Abstract. Proceedings of 35th Annual Sessions of Institute of Biology. Pg. 67.
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- Gunarathne, A., N Sirisena,., U.K Rathnayake,., J Rathnayake,., X Kong,., L.P Vidhanaarachchi,., and H Corke,. 2011. Effect of fertilizer on functional properties of flour from four rice varieties grown in Sri Lanka. Journal of the Science of Food and Agriculture, 91: 1271-1276. Doi:10.1002/jsfa.4310
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- Gunarathne, A., Sirisena, N., Rathnayake, U.K.,Rathnayake, J., Kong, X., Vidhanaarachchi, L.P., and Corke, H. 2011. Effect of fertilizer on functional properties of flour from four rice varieties grown in Sri Lanka. Journal of the Science of Food and Agriculture, 91: 1271-1276. doi:10.1002/jsfa.4310
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- K.A.T.N. Somaweera, L.D.B. Suriyagoda, D.N. Sirisena & W.A.J.M. De Costa. 2016. Growth, Root Adaptations, Phosphorus and Potassium Nutrition of Rice When Grown Under the Co-Limitations of Phosphorus, Potassium and Moisture. Journal of Plant Nutrition 10.1080/01904167.2016.1201497
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-  Kumari, H M P S, D N Sirisena, P V Hemachandra, UND Silva, E M A S Ekanayake, and I W M K N K Yatawara. 2008. Production of salt tolerant rice breeding lines through doubled haploid anther culture technique. Annals of Sri Lanka Department of Agriculture. 10: 347.
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- L.D.B. Suriyagoda & D.N. Sirisena & K.A.T.N. Somaweera & A. Dissanayake & W.A.J.M. De Costa & H. Lambers. 2016. Incorporation of dolomite reduces iron toxicity, enhances Growth and yield, and improves phosphorus and potassium Nutrition in lowland rice (Oryza sativa L) Plant Soil 2016. 10.1007/s11104-016-3012-0.
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- Mapa Ranjith B., INP Jayawardane and WMUK Rathnayake, 2008. Mapping of soil texture and depth to hardpan in the command area of Girithale irrigation scheme, The fifth National Symposium on Geo-Informatics, Geo-Informatics Society of Sri Lanka, Pp 55-60.
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- Perara. BMK, MP Dhanapala, DB. Wickramasinghe, CA Fazekas de St. Groth and R Wetselaar.1988. Agronomic aspects rice yield gap between farmer and researcher in the North Central Dry Zone of Sri Lanka In Rice Production in Sri Lanka, A combined Agronomic / Economic Study in the Intermediate and Dry Zone of Sri Lanka, ACIAR Technical Reports No.17.
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- Rameeza R, D N Sirisena, W LG Samarasinghe, P Samaraweera, AGMLK Dayanande, HAM Wickramasinghe, and ADSS Sooriyapahirana 2011. Validation of Known Randomly Amplified Polymorphic D N A Markers for molecular Breding of salt tolerance rice varities in Sri Lanka.. Proceedings of the Paradeniya university research Sessions ( PURSE) 2011. 16: 191-192. 26th November 2011. Faculty of Veterinary medicine and Animal science Â
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- Rathnayake W.M.U.K., R.P. De Silva., Dayawansa N.D.K., 2015. Variability of some Important Soil Chemical Properties of Rainfed Low Land Paddy Fields and its Effect on Land Suitability for Rice Cultivation. Tropical Agricultural Research Vol.26 (3): 506-516, Post graduate Institute of Peradeniya, University of Sri Lanka.
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- Rathnayake WMUK, DN Sirisena, KA Renuka and S de Silva, 2017. Determination of spatial variability of soil phosphorous for efficient utilization of phosphorous fertilizer in paddy cultivation in polonnaruwa district in Sri Lanka, 13th Conference of East and southeast Asian Federation of Soil Science, Pathaya, Thailand
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- Rathnayake, W.M.U.K., Nayanake, V.G.D., Sirisena, D.N., Mapa, R.B., Atapattu, A.M.K.B., and Wickramasinghe, W.M.A.D.B. 2009. Variability of major soil chemical properties and their suitability for rice cultivation at Pulasthigama farmer fields in Sri Lanka. 9th Conference of East and southeast Asian Federation of Soil Science, 27-30th October 2009, Olympic Parktel Hotel, Seoul, Korea
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- Rathnayake, W.M.U.K., Sirisena DN, Renuka KA, De Silva S., Piumika AM, Atapattu AMRS. 2019. Spatial variation of soil chemical properties in paddy fields of kurunegala district in Sri Lanka. Â Proceedings of the 14thESAFS International Symposium 3-7; Nov, 2019. Thaiwan
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- Rathnayake, W.M.U.K., Sirisena DN, Renuka KA, De Silva S., Piumika AM, Atapattu AMRS. 2019. Spatial variation in some soil properties in paddy fields of polonnaruwa district. Annals of the Sri Lanka Department of Agriculture, 2019. Vol.20
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- Rathnayake, W.M.U.K., Sirisena DN, Wanninayake WMN. 2014. Feasibility of the utilization of thematic maps in efficient management of P & K fertilizers in paddy fields of Puttalam District. Annals of the Sri Lanka Department of Agriculture, 2014. Vol.16: pp127
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- Rathnayake, W.M.U.K., Sirisena DN, Wanninayake WMN. 2015. Assessment of temporal variation of soil salinity in paddy fields in Puttalam District. Annals of the Sri Lanka Department of Agriculture, 2015. Vol.17: pp 124
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- Rathnayake, W.M.U.K., Sirisena, D.N., Bandara,W.M.J., and Wickramasinghe, W.M.A.D.B. 2008. Suitability Classification of some important Soil Fertility Parameters of Paddy Fields in Kurunegala District, Journal of Soil Science Society of Sri Lanka, Vol.20. Pp 25 â 30
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-  Sirisena D N, K V K K Sumanapala, and W M N Waninayake 2012. 2 Use of Leaf colour chart and SPAD meters to estimate total nitrogen content in rice (Oryza sativa) plants. Annuals of the Sri Lanka Department of Agriculture 14: 313-314
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- Sirisena D N, WMADB Wickramasinghe, H M A B Herath and H M L Jinadarie Lanka. 2006. Performance of rice varieties at high and low rates of fertilizer application. Annals of Sri Lanka Department of Agriculture, Vol 8: 397 â 399.
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- Sirisena D N, WMN Wanninayake, and AGS De Silva, 2015. Potassium dynamics in irrigated low land paddy soils and its relation to plant K and grain yield of rice. Tropical Agriculturist, 163:Â 89-99 pp
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- Sirisena D N., W. M. U. K. Rathnayake and H. M. E. Herath WMADB Wickramasinghe, K B Atapattu. 2011. Productivity improvement of marginal paddy lands in Polonnaruwa district, Sri Lanka. Proceedings of the 10th International conference of the east and south East Asian federation of soil science societies. October 10-13 Cinnamon Lake Side Hotel, Colombo, Sri Lanka 13 â 15 pp
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- Sirisena D.N, Rathnayake, W.M.U.K., Bandara W.M.J. (2010).  Availability and spatial variability of plant nutrients in paddy fields of wilgoda irrigation scheme in Kurunegala In: Evans, A.; Jinapala, K. (Eds.). Proceedings of the National Conference on Water, Food Security and Climate Change in Sri Lanka, BMICH, Colombo, Sri Lanka, 9-11 June 2009. Vol.2: Water quality, environment and climate change. Colombo, Sri Lanka: pp 61-68International Water Management Institute.
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- Sirisena D.N., Rathnayake W.M.U.K., Atapattu K.B., Herath H.M.A.B., 2011. Productivity improvement of saline rice lands in Polonnaruwa district. Â Annals of the Sri Lanka Department of Agriculture, 2011. Vol.13. 113-124 pp.
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- Sirisena D.N., W. M. U. K. Rathnayake and H. M. E. Herath. 2010. Productivity Enhancement of saline paddy soils in Angiththamkulamayaya, Sri Lanka: a case study. Pedologist. 53: (No 3) 96-100.
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- Sirisena DN , D M N Dissanayake, K A T N Somaweera, V Karunaratne, and N kottegoda. 2012 Use of Nano K fertilizer as source of potassium in rice cultivation. First national nanotechnology conference. 24-25 August, 2012. Mount lavinia Hotel Colombo. 98-99Â
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- Sirisena DN , WMADB Wickramasinghe, RAND Ranatunge, 2006, Use of leaf colour charts to determine nitrogen requirements and yield response of rice varieties. Annals of Sri Lanka Department of Agriculture, Vol 8: 222-239.
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- Sirisena DN and WMADB Wickramasinghe, 2001 Recovery of Fertilizer N applied to wetland paddy soils. ASDA Annals of the Sri Lanka Department of Agriculture, Peradeniya. Vol. 3:Â 231 â 236.
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- Sirisena DN and WMADB Wickramasinghe. 2007, Sustainable rice production from marginal rice lands of Sri Lanka. Poster presented at the 8th ESAFS International Symposium. October 21-25th 2007. International Congress Center, Tsukuba, Japan.
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- Â Sirisena DN, D M N Dissanayake, K A T N Somaweera, V Karunaratne, and N kottegoda 2013. Use of Nano K fertilizer as source of potassium in rice cultivation. Annuals of the Sri Lanka Department of Agriculture 14: 313-314
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- Sirisena DN, DB Wickramasinghe, WMW Weerakoon, ST Bandara and D. Kumaragamage, 2001, Nitrogen Availability of organic manure and its use as a source of nitrogen in wet land rice cultivation Journal of Soil Science.13: 40-46.
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- Sirisena DN, HMBA Herath 2012 : Response of rice to application of K fertilizer in low country dry and intermediate zones of Sri Lanka. International symposium on Agriculture and Environment, 29, November 2012. 219-222Â
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- Sirisena DN, R F Hafeel, WMADB Wickramasinghe and K LL Chandrakumari 2005. Effect of nitrogen on 1000 grain weight and grain filling of rice. Journal of Soil Science Soc. of Sri Lanka. 17: 53- 58.
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- Sirisena DN, Rathnayake, W.M.U.K., Wanninayake WMN. 2014. Identification of saline paddy fields in Puttalam district. Â Proceedings of the International Symposium on Agriculture & Environment, 2014. Â Faculty of Agriculture, University of Ruhuna, Sri Lanka. Pp 135-138.
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- Sirisena DN, WMADB Wickramasinghe, 2005. Efficient management of nitrogen in wetland rice cultivation of Sri Lanka. The 7th ESAFS International Conference, International Symposium on Sustainability of paddy farming systems. June 1-5 2005, Bureau of Soils and Water Management, Quezon City, Philippines.
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- Sirisena DN, WMADB Wickramasinghe, HMAB Herath and HME Jinadarie Lanka, 2007. Use of Single Super Phosphate as a source of Phosphorus in rice cultivation. Annals of Sri Lanka Department of Agriculture, Vol 9: 293-295.
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- Â Sirisena DN. and , W MN Wanninayake. 2014. Identification of promising rice varieties for low fertile soils in the low country intermediate zone in Sri Lanka. Annals of Sri Lanka Department of Agriculture 14: 95-105
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- Sirisena DN. WMADB Wickramasinghe, WMW Weerakoon and RAND Ranatunge 2002, Determining  nitrogen response of rice through chlorophyll meter technique, Annuls of the Sri Lanka Department of Agriculture, 4: 424-428.
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- Â Sirisena DN., W MN WAnninayake and H M B A Herath .2013. Use of Phosphorous fertilizer in rice cultivation in Polnnaruwa district of the Low country dwet y zone. Annals of Sri Lanka Department of Agriculture 13: 113-125.Â
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- Sirisena, D N, Wanninayake W M N and Attapattu A M KB 2008. Determination of Electrical conductivity of two major rice growing soils using 1:5 soil water Suspensions and saturated extraction 10: 329 â 333. Â
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-  Sirisena, D N, WMUK Rathnayake, AMKB Atapattu and WMADB Wickramasinghe, 2009, Productivity Enhancing Rice-Rice Cropping Syatems in Sri Lanka through Soil Fertility Management, Proceedings of 9th ESAFS Conference, 27-30 September 2009, Seoul, Korea.
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-  Sirisena, D. N. 2013. Best practices and procedures of saline soil reclamation  systems in Sri Lanka. In. Best practices and procedures of saline soil reclamation in SAARC countries. Eds. Tayan Raj Gurung and Abdul Kalam Azad. SAARC, Agriculture Center, 151- 171.Â
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- Sirisena, D.N., Rathnayake, W.M.U.K., Atapattu, A.M.K.B., and 2009. Enhancing productivity in rice â rice cropping systems in Sri Lanka through soil fertility management. 9th ESAFS International symposium 2009. 27-30th October 2009, Olympic Parktel Hotel, Korea Â
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- Sirisena, D.N., Rathnayake, W.M.U.K, Athapattu, RMK, 2012. Variability of soil pH, P, K, and Zn in rice breeding fields at Rice Research and Development Institute.  Proceedings of Fourth International Conference on Geo-information technology for natural disaster management, Colombo, Sri Lanka. Pp 168-170
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- Sirisena, DN, N. P. Jayawardena, W. M. A. D. B. WickramasingheW.M U K. Rathnayake and R B Mapa2008. Spatial variability of some soil fertility parameters in rice fields of Girithale irrigation scheme Annals of Sri Lanka Department of Agriculture, 10: 199-210                                Â
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- Sirisena, DN., WMADB Wickramasinghe and RAND Ranatunga. 2003, Performance of different forms of urea in rice cultivation. ASDA Annals of the Sri Lanka Department of Agriculture, Peradeniya. Vol. 5: 341 â 344.
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- Sirisena. DN, WMADB Wickramasinghe, WMJ Bandara RAND Ranatunge and G Seneviratne. 2004, Estimation of methane and nitrous oxide emission from rice fields. Annuls of the Sri Lanka Department of Agriculture, Vol 6: 203-217.
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- Srisena DN, WMADB Wickramasinghe, WMW Weerakoon, and D Kumaragamage and ST Bandara, 2003. Evaluation of leaf N based nitrogen fertilizer management in irrigated transplanted rice. ASDA, Annuls of the Sri Lanka Department of Agriculture, 5: 233-241.
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- Sumith de Z. Abeysiriwardena. D, W.M.W. Weerakoon and W.M.A.D.B. Wickramasinghe 2009, System of Rice Intensification (SRI) As a Method of Stand Establishment in Rice, American-Eurasian Journal of Agricultural & Environmental Sciences, Vol. 5 No.2 2009 189-195.
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- Velrajah,S. Wickramasinghe, W.M.A.D.B. Jinadasa, D.M, (2008) Spatial Variability of Soil Fertility Characteristics at the Kalinga Ela in Sewagama Agrarian Service Center in the Parakrama Samudra Irrigation Scheme in Polonnaruwa, Abstract Of Final Year Research Symposium 2008 (Vol : 02) Faculty of Agriculture, Rajarata University of Sri Lanka, http://repository.rjt.ac.lk/7013/143Â
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- Wanniarachchi, R, W.M.J Bandara and G.A.Gunatilaka. 2002. Effect of water regime on the performance of rice grown in iron toxic fields in low country wet zonel J. Soil Sci. Soc. Sri Lanka. 2002, 14:42-50
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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 âParakramaSamuddrayaâ 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 â27, 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 âParakrama Samudraâ 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.BÂ 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.Â
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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 –Â 29, November, 2003, National Taiwan University, Taipei, Taiwan.Â
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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 â 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 ): 231â246.
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- Wickramasinghe. WMADB 2004. Rice Straw Silica â Solubility characteristics and use as a silicon source in paddy cultivation. Jour. Soil. Sci. Soc. Sri Lanka. Vol 11, 1 â 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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