Prof. M.G.T.S. Amarasekara
Professor
Soil Fertility Management
Integrated Water Resources Management
B.Sc (Agric) (P’deniya) Sri Lanka
MPhil, PGIA, University of Peradeniya, Sri Lanka
PhD, PGIA, University of Peradeniya , Sri Lanka
2002 to date - Twenty years teaching experiance in the Faculty of Ariculture - RUSL
2012 - 2013 - Head Department of Agricultural Egineering and Soil Science
2013 - 2016 - Dean Faculty of Agriculture - RUSL
2017 - 2018 - Director, Centre for Distance and Continuning Education - RUSL
2018 - 2020 - Director (AHEAD project)
2022 to date - Senior Student Counsellor
Best Presenter award
Session I: Agribusiness Management/ Agricultural Extension/ Agricultural & Environmental Economics
Third International Symposium (InSym-SUSL 2010) Sabaragamuwa University of Sri Lanka, Belihuloya.
University research grant - 2013
University research grant - 2017
Soil Science Society of Sri Lanka
Silva, L.C., Amarasekara, M.G.T.S. and Ranawaka, N.D. (2020). Effect of applied nitrogen and potassium on source and sink development of maize growing on Non – Calcic Brown Soils. Rajarata University Journal, Vol 5 :1. Pp 35- 40.
Amarasekara, M.G.T.S., Waduge, K.S. and Bandara, A.M.K.R. (2020). Characteristics of rice growing soils under conventional and organic input systems in Sri Lanka. International Journal of Advanced Scientific Research and Management, Vol 5: 07 Pp 10- 18.
Thennakoon, S.D. Renuka, K.A. Amarasekara, M.G.T.S. and Jayawardhane, J.A.M.H. (2020). Effect of foliar application of manganese, zinc and copper on growth and yield of chilli (Capsicum annum. L). Resources and Environment. 10:3.pp 41-45.
Nishadi, S.K.A. Renuka, K.A. Amarasekara, M.G.T.S. and Jayawardhane, J.A.M.H. (2020). Growth and yield performance of Maize (Zea mays L.) under different phosphorus levels in Reddish Brown Earth Soil (Rhodustalfs) in Sri Lanka. International Journal of Advances in Agricultural Science and Technology. Vol.6 Issue.9, Pp 68-78.
Weerasinghe , P. Kasthurirathna, K.D.Y.M.R.A., Manchanayaka, M.A.H., Silva, N.R.N. and Amarasekara M.G.T.S. (2019). Solubility and efficacy of Eppawala Rock Phosphate based phosphocompost in annual vegetables. J.Soil Sci.Soc Sri Lanka, Vol, 25 Pp 42-52.
Gunarathna, M.H.J.P, Kazuhito Sakai, Tamotsu Nakandakari, Kazuro Momii, Kumari , M.K.N. and Amarasekara, M.G.T.S. (2019). Pedotransfer functions to estimate hydraulic properties of tropical Sri Lakan soils. Soil and Tillage Research. Vol 190, Pp 109-119.
Amarasekara, M.G.T.S. (2019) Evaluation of existing soil conservation measures in central highlands of Sri Lanka through participatory approach. International Journal of Advances in Agricultural Science and Technology. Vol 6-1, Pp 41-53.
Amarasekara, M.G.T.S., Kulathilaka, K.B., Mendis, D.T. and Withanachchi, C.R. (2018). Comparison of soil characteristics in tank bed, bund and the command area of an ancient village tank in Anuradhapura, Sri Lanka. International Journal of Advanced Scientific Research and Management, Vol 3: 11 Pp 286-289.
Amarasekara, M.G.T.S., Dayawansa N.D.K. and Ranjith Premalal De Silva, (2014). Soil Erosion and nutrient transport from lands under intensive agriculture in Upper Mahaweli Catchment Area in Sri Lanka, World Science Echo, Vol 1(1), Pp 1-19.
Amarasekara, M.G.T.S., Dayawansa, N.D.K. and Ranjith Premalal De Silva, (2013). Implementation of soil conservation policies and enactments in the Upper Mahaweli Catchment, Sri Lanka – A review, Rajarata University Journal, Vol.01: Pp3-9.
Amarasekera, M.G.T.S., Dayawansa. N.D.K. and Ranjith Premalal De Silva (2013). Stream water quality depletion under intensive agriculture, SAWAS (South Asian Water Studies), 4(1), 23-37.
Amarasekara, M.G.T.S. 2011. Poverty, soil erosion and water quality; A case study in Kurundu Oya sub catchment of Upper Mahaweli Catchment, Sri Lanka. Journal of Social Sciences and Humanitiea, Rajarata University of Sri Lanka, 11:104 – 120.
Amarasekara, M.G.T.S., N.D.K., Dayawansa, and W.P.R.P. De Silva, 2009. Effect of socio-economic factors on adoption of soil conservation measures in kurundu oya sub catchment. Tropical Agricultural Research Vol. 21;1 : 62-72
Amarasekara, M.G.T.S., S.P.,Indrarathna, D. Kumaragamage, and F.Sultanbava, 2007. Formulation and testing site specific fertilizer recommendation for Bitter Gourd (Momordica charantia.L). Tropical Agricultural Research Vol.19: 210-218.
K.L.A.D.S. Chandradasa and M.G.T.S. Amarasekara, 2013. Land use and water quality in upper Malwathu Oya stream. International Conference on Community and Water Services, Ministry of Water Supply and Drainage in Sri Lanka, Pp 65-66.
Gunawardena, E.R.N., Mahees, M.T.M., Gunawardane, I.P.P., Amarasekara, M.G.T.S. and S. Trikawala, 2010. Transdisciplinary Research in Integrated Water Resources Management in addressing issues related to water pollution in Mahaweli River, Symposium Proceedings of the Water Professionals’ Day, Geo-Informatics Society of Sri Lanka. Pp 9-16.
Amarasekara, M.G.T.S., N.D.K. Dayawansa, and W.P.R.P. De Silva, 2009. Stream Water Quality in Relation to Intensive Vegetable Farming in the Mahakudugala Sub Catchment of Kurundu Oya Catchment, Symposium proceedings of the water professionals’ day, Geo-Informatics Society of Sri Lanka.
Amarasekara, M.G.T.S., Kumarihamy, R.M.K., Dayawansa N.D.K and W.P.R.P. De Silva, 2009. The impact of inappropriate soil management on river water quality: a case study in the Kurundu Oya sub catctchment of Upper Mahaweli Catchment Area, Sri Lanka. Proceedings of the National Conference on Water Food Security and Climate Change in Sri Lanka. International Water Management Institute, Colombo, Sri Lanka.
Amarasekara, M.G.T.S., N.D.K. Dayawansa, and W.P.R.P. De Silva, 2008. Participatory approach to land and water resources management in Upper Mahaweli Catchment: A case study in Kalaganwaththa mini catchment. Symposium proceedings of the water professionals’ day, Geo-Informatics Society of Sri Lanka. Pp 9-16.
Manjula, D., Kumarihamy, R.M.K., and Amarasekara, M.G.T.S. 2008. A study on water deficit in the tail end of a sub distributory canal in Mahaweli Syatem H. Symposium proceedings of the water professionals´ day, Geo-Informatics Society of Sri Lanka. Pp 92-102.
Sumanarathna,J.Y.V., Gunarathna,S.P. and Amarasekara, M.G.T.S. 2014. Effect of split application of phosphorous fertilizer on rice (Oryza sativa L.) cultivation in low country wet zone, Proceedings of the 6th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka
Madushanka, R.M.G., Dissanayaka, D.M.S.H. and Amarasekara, M.G.T.S. 2014. Impact of urban land use on water quality of upper Malwathu Oya stream, Proceedings of the 6th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Chathurani, L.G.T., Samaraweera,D.N and Amarasekara, M.G.T.S., 2014. Liming effect on selected soil properties in cinnamon (Cinnamomum zeylanicum blume) growing soils Proceedings of the 6th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Manchanayaka, M.A.H., Weerasinghe, P., Amarasekara, M.G.T.S. and Rajakaruna, R.M.P. 2014. Phosphorus availability of phosphocompost enriched with Eppawala rock phosphate and sulphur, Proceedings of the 6th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Senevirathna, N.D.S.L., Gunarathna, G.P., Amarasekara, M.G.T.S. 2014. Remediation of manganese deficiency in tea (Camellia sinensis) plantation of Maskeliya series, Proceedings of the 6th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Keerthirathna, D.U.A.T. Gunarathna, G.P. and Amarasekara, M.G.T.S., 2013. Development of an on-farm analytical kit to assess soil/ plant nutrient status in tea growing regions, Proceedings of the 5th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Niluka,G.R.D., Kadupitiya, H.K. and Amarasekara, M.G.T.S., 2013. Evaluation of remote sensing classification approaches for paddy cultivation area mapping in Uhana DS Division; Ampara District, Proceedings of the 5th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Thennakoon, S.D., Renuka, K.A. and Amarasekara, M.G.T.S. 2013. Foliar application of manganese, zinc and copper on growth and yield of chilli ( Capsicum annum L.), Proceedings of the 5th Annual Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka.
Devindi, K.G.G., Samaraweera, D.N. and M.G.T.S. Amarasekara, 2012. Determination of phosphorus adsorption behavior in selected cinnamon growing soils. Proceedings of Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 61.
Dissanayaka, G.L.S.A., Rathnayaka, W.M.U.K. and M.G.T.S. Amarasekara, 2012. Variation of soil properties of low land rainfed and irrigated paddy farming in low country intermediate zone, Proceedings of Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 62.
Jayasekara, W.M.S., Silva, L.C. and M.G.T.S. Amarasekara, 2012. Effect of different levels of nitrogen and potassium on growth and yield of maize in Non Calcic Brown soils, Proceedings of Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 67.
Ranasinghe, M.P.T., Karunarathna, G.R.S. and M.G.T.S. Amarasekara, 2012. Further classification of Boralu Series in Low Country Wet Zone of Sri Lanka, Proceedings of Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 70.
Suresh Kumar, N. Gunarathna, G.P. and M.G.T.S. Amarasekara, 2012. Presently use fertilizer mixtures on nutrient status in tea soils, Proceedings of Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 73.
Weerarathna, P.S. and M.G.T.S. Amarasekara, 2012. Soil fertility status and management in village tank based paddy farming. Proceedings of Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 76.
Roshani, A.A.N., W.M.U.K. Rathnayaka and M.G.T.S. Amarasekara, 2011. Effect of straw on potassium availability of rice in Red Yellow Podzolic Soils of low country intermediate zone, Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 50.
Pathiranage, S.C.G. and M.G.T.S. Amarasekara, 2011. Soil nutrient imbalances in village tank based paddy farming and possible remedial measures, Undergraduate Research Symposium, Faculty of Agriculture, Rajarata University of Sri Lanka, p 64.
Amarasekara, M.G.T.S., N.D.K. Dayawansa and Ranjith Premalal De Silva, 2010. Organizational Setup and Policy Framework in Relation to Land and Water Quality Management: A Case Study in Kurundu Oya Sub Catchment, Sri Lanka Third International Symposium Sabaragamuwa University of Sri Lanka Belihuloya, Sri Lanka.
Amarasekara, M.G.T.S., N.D.K. Dayawansa, and W.P.R.P. De Silva, 2008. Institutional aspects of implementation of land and water policies in the Upper Mahaweli Catchment, Sri Lanka. Proceedings of the International Conference on Water Resources Policy in South Asia. Colombo, Sri Lanka.
Vidyarathna, D.D., Duminda, D.M.S., Amarasekara, M.G.T.S., and Jinadasa, D.M. 2008. Characterization of some of soil fertility parameters along an undulating terrain of Reddish Brown Earth and Low Humic Gley soils. Abstracts of final year research, Faculty of Agriculture, Rajarata University of Sri Lanka.
Dharmakanthi, P.W.C.S., Amarasekara, M.G.T.S. and Jinadasa, D.M., 2008. Impact of socio-economic factors on soil fertility parameters of different land use systems in Walapane DS Division, Abstracts of final year research, Faculty of Agriculture, Rajarata University of Sri Lanka.
Renusha, S.M.S. and Amarasekara, M.G.T.S. 2008. Degradation of water sources in Nuwara Gampalatha East divisional secretariat division of Anuradhapura district. Procedeings of the 13th International Forestry and Environment Symposium, University of Sri Jayawardanapura, Sri Lanka.
Karunarathna, K.N., Amarasekara, M.G.T.S., Duminda, D.M.S., and Jinadasa, D.M. 2008. Characterization of soil physical properties on an undulating terrain of Reddish Brown Earth (Rhodustalfs) and low humic gley (Endoaqualfs) soils. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna, p 93.
Amarasekara, M.G.T.S., Indrarathna, S.P., Kumaragamage, D., and Sultanbava, F. 2007. A systematic approach to nutrient recommendation in crop management, proceedings of the 1st annual symposium, Faculty of Agricultural Science Sabaragamuwa University of Sri Lanka.
Amarasekara, M.G.T.S. and Nandasena, K.A. 2007. Effect of different organic manure on phosphorus availability in Reddish Brown Earth Soil. Proceedings of the 63rd annual session, Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka.
Renusha, S.M.S. and Amarasekara, M.G.T.S. 2008. Degradation of water sources in Nuwara Gampalatha East divisional secretariat division of Anuradhapura district. Procedeings of the 13th International Forestry and Environment Symposium, University of Sri Jayawardanapura, Sri Lanka.
Amarasekara, M.G.T.S., N.D.K. Dayawansa, and W.P.R.P. De Silva, 2008. Institutional aspects of implementation of land and water policies in the Upper Mahaweli Catchment, Sri Lanka. Proceedings of the International conference on water resources policy in South Asia. Colombo, Sri Lanka.
Karunarathna, K.N., Amarasekara, M.G.T.S., Duminda, D.M.S., and Jinadasa, D.M. 2008. Characterization of soil physical properties on an undulating terrain of Reddish Brown Earth (Rhodustalfs) and low humic gley (Endoaqualfs) soils.Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna.
Vidyarathna, D.D., Duminda, D.M.S., Amarasekara, M.G.T.S., and Jinadasa, D.M. 2008. Characterization of some of soil fertility parameters along an undulating terrain of Reddish Brown Earth and Low Humic Gley soils. Abstracts of final year research, Faculty of Agriculture, Rajarata University of Sri Lanka.
Dharmakanthi, P.W.C.S., Amarasekara, M.G.T.S. and Jinadasa, D.M., 2008. Impact of socio-economic factors on soil fertility parameters of different land use systems in Walapane DS Division, Abstracts of final year research, Faculty of Agriculture, Rajarata University of Sri Lanka.
Amarasekara M.G.T.S., N.D.K. Dayawansa and Ranjith Premalal De Silva 2010. Organizational Setup and Policy Framework in Relation to Land and Water Quality Management: A Case Study in Kurundu Oya Sub Catchment, Sri Lanka Third International Symposium Sabaragamuwa University of Sri Lanka Belihuloya, Sri Lanka.
Roshani, A.A.N., Rathnayaka, W.M.U.K. and Amarasekara, M.G.T.S. 2011. Effect of straw on potassium availability for rice in Red Yellow Podzolic soils of low country intermediate zone, Undergraduate research symposium, Faculty of Agriculture , Rajarata University of Sri Lanka.
Pathiranage, S.C.G. and Amarasekara, M.G.T.S. 2011. Soil nutrient imbalances in village tank based paddy farming and possible remedial measures, Undergraduate research symposium, Faculty of Agriculture , Rajarata University of Sri Lanka.
Department of Agricultural Engineering and Soil Science
Faculty of Agriculture
Rajarata University of Sri Lanka
Puliyankulama,
Sri Lanka.
+94 25 222 1612
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