Prof. I.R. Palihakkara
+94 41 229 2200

Prof. I.R. Palihakkara

Professor
Department of Crop Science,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka 81100
Profile QR Code
Research Interests
Sustainable Crop & Land-use Systems Soil Fertility & Nutrient Dynamics Plantation & Field-Crop Management Agroforestry & Integrated Farming Climate-Resilient Farming Participatory On-farm Trials
Qualifications

Biography

Dr. I.R. Palihakkara is a Professor in the Department of Crop Science, Faculty of Agriculture, University of Ruhuna. His work spans crop and land-use systems, with attention to sustainable management of agricultural landscapes. He is interested in plantation and field-crop systems, soil–plant interactions, and on-farm innovations that support livelihoods. He supports student training and academic activities in crop science and applied agriculture. He engages with stakeholders to identify practical, locally relevant options for resilient farming systems.

Journal Publications

Total: 62
01
Dissanayake, S.M.,. Palihakkara,I.R , 2019 A review on possibilities of intercropping with immature oil palm, International journal for research in applied sciences and bio technology, Volum 6 (6)
02
Dissanayake, S.M.,. Palihakkara,I.R .Gunaratna,G.P and Wanniarachch,.,S.D 2019 Effect of Different Levels of K on Growth Performance of Immature Oil Palm in Devithurai Estate Sri Lanka. International Journal for Research in Applied Science and Biotechnology 6(5) pp 18-21
03
Dissanayake, S.M.,. Palihakkara, I.R., Gunaratna,G.P and Wanniarachch,.,S.D 2019 Effect of application of different rates of murate of potash on nutrient status of soil and growth of immature oil palm ISAE 2019
04
Madushan,K.H.M.K,.Nugawela R.C.W.M.R.A., Palihakkara,I.R 2019 A Study on Soil Moisture, Root Distribution of Tea, Rubber, Oil Palm Crops of Different Maturity Stages. ISAE 2019
05
Senavirathna P.M.A.N., Nugawela R.C.W.M.R.A., Palihakkara, I.R 2019 Ground Cover, Surface Biodiversity under Tea, Rubber, Oil Palm Crops of Different Maturity Stages. ISAE 2019
06
Madhushani P.L.M.P., Palihakkara,I.R., Daswatte,D 2019 Study the availability of naturally dispersed oil palm seedlings in Nakiyadeniya region, ISAE 2019
07
Shashinika,N.P.G.S., Palihakkara,I.R Dharmasena.P., Illanganthilake,S.N. 2019 Possibility of replacing recommended fertilizer applications with palm oil mill effluent sludge as organic fertilizer for okra and kangkung cultivation ISAE 2019
08
Wijayawardhane, W.H.S.R., Palihakkara,I.R, Eeriyagama,S., 2019 Stakeholders’ perception on oil palm cultivation: A case study in Kegalle District, Sri Lanka ISAE 2019
09
Abeysekara, S.W., Palihakkara, I.R Dharmasena., P., Illanganthilake, S.N. 2019 Study the plant species diversity under different maturity stages of oil palm cultivation, ISAE 2019
10
Palihakkara, I. R., & Inoue, M. (2018). Fuel wood trees in marginal small holder tea plantations in Sri Lanka: Stakeholder’s perception. Procedia Engineering, 212, pp.1211-1216.
11
Palihakkara, I.R., Siriwadena, A.J.M.C.M 2018 Management of Mangrove fringed Koggala lagoon for Sustainable Livelihood Development - A case study in Sri Lanka,
12
International lake management conference Ibaraki, Japan, 2018
13
Palihakkara, I.R., Siriwadena,A.J.M.C.M 2018 Sustainable management of water bodies with mangrove cover for rural livelihood development – Case study in Sri Lanka,Pokhara, Nepal 2018
14
Weerasingha C.M., Palihakkara, I.R., Niels, S., 2018 I identification of efficient propagation method for ( Dendrocalamus latiflorus) in Sri Lanka International Forestry & Environmental Science Symposium 2018
15
Palihakkara,I.R., Inoue, M., 2017 Stake holder’s perception on Marginal tea plantations in Sri Lanka. International conference on disaster resilience- Thailand
16
Ranasinghe,A., Palihakkara,I.R.,. Nugawela, A., 2017.Yield Variation during the period (April to July) 2017 RRIC 121 & BPM 24Rubber Clones ( Hevea brasiliensis ) grown in WL3 Agro-Ecological Zone of Sri Lanka. Proceedings for the national symposium NIPM Sri Lanka
17
Nadeeshani.A.A.A., Palihakkara,I.R.,Kudaligama,K.V.V.S.,2017. Variation of some physiological and growth parameters in commonly grown young Hevea clones in WL1 Agro-ecological zone in Sri Lanka, Proceedings for the national symposium NIPM Sri Lanka
18
Palihakkara, I. R., Mohammed, A. J., Shivakoti, G. P., & Inoue, M. (2015). Prospect of Fuelwood Plantations for Marginal Small Tea Farmers: A Case Study in Matara and Badulla Districts, Sri Lanka. Natural Resources, 6(12), p.566.
19
Palihakkara, I. R., Mohammed, A. J., & Inoue, M. (2015). Livelihood Condition of and Futurity of Tea Farming for Marginal Small Tea Farm Holders (MSTH) of Sri Lanka: Case Study from Badulla and Matara District. Environment and Natural Resources Research, 5(1), p.11-21.
20
Palihakkara,I.R ., 2015. Current Status of Marginal Tea Land (MTL) Utilization by Small Holders. A Case Study in Badulla District Sri Lanka. Proceedings of the second International Conference on Agriculture and Forestry-2015
21
Palihakkara, I. R. (2015). Introduction of fuelwood planting to marginal small tea plantations holders for sustainable land use and livelihood improvement: A case study in Badulla district, Sri Lanka. Proceedings of the second International Conference on Poverty and Sustainable Development. Graduate School of Agriculture and Life Sciences,University of Tokyo, Japan- 2015.
22
Palihakkara, I. R., Mohammed, A. J., & Makoto (2014). Policy and intervention strategies to enhance livehood conditions of Marginal Small Tea Farm Holders (MSTFH): A case study from Badulla and Matara districts. Proceedings of the symposium of Higher Education for the Twenty First Century- 2014.
23
Gunathilake,P.D.A.I., .Withana,N.R.P., Palihakkara,I.R., 2014 Assessing suitable nursery techniques for Khaya senegalensis (Desr.) A. Juss., Proceedings of the International Conference of Agricultural Sciences 2014 (Ag Insight 2014), Sabaragamuwa University of Sri Lanka
24
Priyadarshani, N.D.N., Amarasinghe,M.K,T.K.,Subasinghe,S., Palihakkara,I.R ., Kumarasinghe,H.K.M.S.,2012,Effect of potting mixture on plant growth, yield and oil quality of Vetiver ( vetiveria zizanioides ) International Journal of Tropical Agricultural Research & Extension, V13,(0 4) p100-110
25
Sandaruwan, J.K.A.C., Withana, N.R.P., Palihakkara, I.R., 2012 Application of GIS as A Tool for Monitoring Lantana ( Lantana Camera ) In Hurulu Biosphere Reserve in Sri Lanka. Proceedings of the fourth International Symposium 2012, Sabaragamuwa University of Sri Lanka
26
Palihakkara, I. R., & Amarasinghe, M. K. T. K. (2012). Land Owners Preference to Cultivate Jackfruit ( Artocarpus heterophyllus (Moraceae) in Home Gardens Due to Present Legal Reglations on Cutting Jackfruit in Kamburupitiya Area in the Matara District, Sri Lanka. Center for Social Forestry, 13(2).
27
Priyadarshani, N.D.N., Amarasinghe, M.K,T.K., Subasinghe, S., Palihakkara, I.R ., Kumarasinghe, H.K.M.S.,2011 Selection of the most suitable pot height and harvesting stage for higher growth, yield and oil quality of Vettiver ( vetiveria zizanioides ) SLJIM 2011; 01 (02); P70-75
28
Priyadarshani, N.D.N., Amarasinghe, M.K,T.K., Subasinghe,S., Palihakkara, I.R., Kumarasinghe, H.K.M.S., 2011 Effect of simulated water stress on biomass production, oil yield and quality of vetiver ( Vetiveria zizaniodes ) International Conference on the Impact of Climate Change on Agriculture (ICICCA) 2011, Faculty of Agriculture, University of Ruhuna
29
Priyadarshani, N.D.N., Amarasinghe, M.K,T.K.,Subasinghe, S., Palihakkara, I.R., Kumarasinghe, H.K.M.S.,2011 Growth, yield, chemical composition of Vetiver ( vetiveria zizoniodis ) as affected by application of different compost mixtures. International Symposium on Agriculture and Environment (ISAE) 2011, Faculty of Agriculture, University of Ruhuna
30
Sandika, A.L,, Palihakkara, I.R.,2011 The use of different energy source: A comparison of rural communities VS. suburban \ urban communities in southern Sri Lanka. National Energy Symposium 2011, Sri Lanka sustainable energy authority and Ministry of power and energy
31
Jayananda, J., Prasad W.D.N.R., Palihakkara, I.R., 2010 Evaluation of resistance of Khaya, Teak, Neem for Elephant damage in the Polonnaruwa district, inventory of Khaya plantation based on Gary Archer method. Proceedings for the International Symposium, Faculty of Agriculture, University of Ruhuna – 2010
32
Amaraweera, U., Wijerathna M.A., Palihakkara, I.R., 2010 Effect of method of plucking, resting, Potassium nutrition on root starch reserves of tea in low country. Proceedings for the International Symposium, Faculty of Agriculture, University of Ruhuna – 2010
33
Priyadarshani, N.D.N., Amarasinghe, M.K,T.K., Subasinghe,S., Palihakkara, I.R., Kumarasinghe, H.K.M.S., 2009 The effect of different potting mixtures on plant growth, yield and quality of Vetivaria zizanioides Second National Symposium, Faculty of Agriculture, University of Ruhuna – 2009
34
Lakmini, W. G. D., Palihakkara, I. R., Priyadarshani, N. D. N., & Senevirathna, G. S. S. (2009). Effect of drought stress on morphological characters of four tree species at seedling stage. Proceedings of the sixth academic sessions, University of Ruhuna, Sri Lanka.
35
Palihakkara, I.R, Madawanarachchi, N.P., 2008 Propagation of Rathamilla ( Lumnitzera litteria ) a rare mangrove plant. Proceedings of the First National Symposium-2008, Faculty of Agriculture, University of Ruhuna
36
Palihakkara, I.R, Piyathilaka, M.D., 2008 Effect of intercropping to increase the productivity of Banana, pineapple in mahaweli special area of Udawalae. First National Symposium, Faculty of Agriculture, University of Ruhuna – 2008
37
Palihakkara, I.R.,Vithana, D.G., Kumara, S.P., 2008 Studies on introduce low cost fertilizer for Mahogany ( Swetenia macrophylla ) plantation.Thirteenth International Forestry and Environmental Symposium 2008, University of Sri Jayewardenapura, Sri Lanka-2008
38
Palihakkara, I.R and Priyadarshani, N.D.N., 2008 Studies on the Association of Wild orchid (Dendrobium Spp ) with different types of Agroforestry tree species.Thirteenth International Forestry and Environmental Symposium 2008, University of Sri Jayewardenapura, Sri Lanka-2008
39
Palihakkara, I.R., & Kumara, P.G.A.L., 2008 Suitability of Growing Cardamom (Clone LAW 37, Elataria cardamomum ) under Oil palm.Thirteenth International Forestry and Environmental Symposium 2008, University of Sri Jayewardenapura, Sri Lanka-2008
40
Palihakkara, I. R., & Kumarasinghe, H. K. M. S. (2008). Studies on Wedge grafting of Wal anoda ( Anona glabra Linn.) using different scions. Proceedings of the 64 th Annual Sessions, Sri Lanka Association for the Advancement of Science - 2008.
41
Palihakkara, I.R, Priyadarshani, N.D.N., 2008 Comparison of two potting types (Kaduru, conventional clay pot ), irrigation frequencies on growth of Bird's nest fern (Aspelenium nidus . L).Second International Symposium, Sabaragamuwa University of Sri Lanka- 2008
42
Palihakkara, I.R, Amarasinghe.,2008 Rehabilitation of tsunami effected coastal vegetation at Madiha. First conference of the CIDA restore project
43
Arunakumara, K.K.I.U., Subasinghe, S., Walpola, B.C., Amarasinghe, M.K.T.K., Palihakkara, I.R., & Kumarasinghe, H.K.M.S.,2008. Development of Home Gardens at tsunami affected Madiha, Southern, Sri Lanka. First conference of the CIDA restore project.
44
Subasinghe, S., Abeywickrama, L. M., Arunakumara, K. K. I. U., Amarasinghe, M. K. T. K., Palihakkara, I. R., Walpola, B. C., & Kumarasinghe, H. K. M. S. (2008). Environmental restoration activities at Madiha and Gandara. first conference of the CIDA restore project.
45
Amarasinghe, S. P. K., Wijerathne, M. A., & Palihakkara, I. R. (2007). Effect of different methods of weed management on soil erosion in Tea lands at low elevations, Sri Lanka. Proceedings of the 63 rd Annual Sessions, Sri Lanka Association for the Advancement of Science - 2007.
46
Kaliyadasa, P. E., Purnima, M. M. A., & Palihakkara, I. R. (2007). Growth performances of Knolkhol ( Brassica oleracea var. gongyloids) as effected by different potting media and organic liquid fertilizers. Proceedings of the 63 rd Annual Sessions, Sri Lanka Association for the Advancement of Science - 2007.
47
Palihakkara, I.R., Priyadarshani, N.D.N, Senevirathna, G.S.S., 2007 Effect of two potting types ( Cerbera odollam fruit ant conventional pot), irrigation frequencies on growth of Orchid. Proceedings of the International Forestry and Environmental Symposium,University of Sri Jayewardenapura, Sri Lanka-2007
48
Palihakkara, I.R, Priyadarshani, N.D.N., 2007 Growth, yield of Gotukola ( Centella asiatica ) as effected by different potting media, organic liquid fertilizer. Proceedings of the International Forestry and Environmental Symposium,University of Sri Jayewardenapura, Sri Lanka-2007
49
Andrahennady, M., Palihakkara, I.R, Athapaththu, N.S.B.M., 2007 Effect of spent broiler litter application on the initial growth, establishment of three forest tree species. Proceedings of the International Forestry and Environmental Symposium 2007, University of Sri Jayewardenapura, Sri Lanka-2007
50
Palihakkara, I.R., Kaliyadasa, P.E., Rupika, S.T.J., & Kumaasinghe, H.K.M.S., 2007 Effect of three growth substrates on yield performances of two mushroom types Proceedings of the Forth Academic Sessions, University of Ruhuna, Sri Lanka- 2007
51
Amarasinghe, M.K.T.K., Palihakkara, I.R., & Liyanage, M de S., 2006 Sustainability of home gardens in Masemulla forest area in Matara district, Sri Lanka. Proceedings of the International Forestry and Environmental Symposium 2006, University of Sri Jayewardenapura, Sri Lanka-2006
52
Senaratna, D., Atapattu, N.S.B.M., Lakmini, W.G.D., Palihakkara, I.R., Piyadigama, B., & Senaratna, C.C., 2006 Behavior of cattle in agroforestry system. Proceedings of the International Forestry and Environmental Symposium 2006, University of Sri Jayewardenapura, Sri Lanka-2006
53
Palihakkara, I.R., Udeshi, B.G.D., & Vithanage, P.W.D., 2006 Evaluation of different cover crops in vacant area (pottal) in mature Tea plantation. Proceedings of the International Forestry and Environmental Symposium, University of Sri Jayewardenapura, Sri Lanka-2006
54
Palihakkara, I.R., Kumara, A., Chathuni, G.D.G., & Subasinghe, S., 2006 Performances of existing tree species after Tsunami in selected area of Hambantota District, Sri Lanka. Proceedings of the Third Academic Sessions, university of Ruhuna, Sri Lanka 2006
55
Palihakkara, I. R., Amarasinghe, M. K. T. K., & Liyanage, M. D. S. (2006). Properties and availability of Cinnamon fuel wood in the Matara District, Sri Lanka. Proceedings of the 62 nd Annual Sessions, Sri Lanka Association for the Advancement of Science - 2006.
56
Samarakkody, W.D., & Palihakkara,I.R., 2005 Effect of different levels of salinity on growth performances of some selected tree species. Proceedings of the International Forestry and Environmental Symposium 2005, University of Sri Jayewardenapura, Sri Lanka-2005
57
Palihakkara, I.R., Deerasinghe, D.T.L.K., Dayathilaka, D.A., & Kumari, D.L.C., 2004 Studies on propagation methods of Konthalan ( Xylocarpus rumphii ). Proceedings of the International Forestry and Environmental Symposium 2004, University of Sri Jayewardenapura, Sri Lanka-2004
58
Palihakkara, I.R., Ranasinghe, D.M.S.H.K., & Weerasinghe, K.D.N., 2004 Effect of oil palm cultivation on ground water table. Proceedings of the International Forestry and Environmental Symposium 2004, University of Sri Jayewardenapura, Sri Lanka-2004
59
Subasinghe, S., Rasanthi, W. K. T., Palihakkara, I. R., & Kumari, D. L. C. (2003). Effect of different alley cropping species on growth and yield of maize crop. Proceedings of the 59 th Annual Sessions, Sri Lanka Association for the Advancement of Science - 2003.
60
Palihakkara, I. R., Dayatilake, G. A., & Dayananda, K. R. (2001). Study on the growth and yield of vetiver ( Vetivaria zizaniodes ) oil as affected by different agronomic practices and eco types in Sri Lanka.Proceedings of the 57 th Annual Sessions, Sri Lanka Association for the Advancement of Science - 2001.
61
Palihakkara, Indika . Yimon, Hlaing . Inoue, Makoto. Stakeholders’ Perception on Marginal Small Tea Farming and Fuel wood Planting: A Case study in Sri Lanka
62
Haling, Khin . Palihakkara, Indika Rohan . Inoue, Makoto. Impacts of Participatory Plantation Programs for Rural People

Books / Book Chapters

Total: 8
01
Editor in chief of the research project reports of Scientific tea manufacturing and quality management diploma students, Faculty of Agriculture, University of Ruhuna 2017, ISBN:978-955-43478-0-9 (112 pages)
02
Editor in chief of the research project reports of Scientific tea manufacturing and quality management diploma students, Faculty of Agriculture, University of Ruhuna 2016, ISBN:978-955-43478-3-0 (82 pages)
03
Palihakkara, I.R., Propagation techniques for selected coastal tree species and their uses ISBN -978-955-1507-04-06
04
Cultivation of Oil Palm in Sri Lanka ISBN 978 955-43478-2-3 Publisher, S.Godagae, brothers 53 pages (S. Godagae publisher use their own ISBN)
05
Cultivation of Oil Palm in Sri Lanka (Sinhala language) ISBN978-955-43478-4-7…. Publisher S.Godagae and brothers, 55 pages (S. Godagae publisher use their own ISBN)
06
Cultivation of Oil Palm in Sri Lanka (Tamil language) ISBN: 978-955-43478-5-4 Publisher S.Godagae, brothers, 53 pages (S. Godagae publisher use their own ISBN)
07
RAMSAR Sites in Sri Lanka people and livelihood ISBN 978-955 43478-7-8
08
Prospectus of bamboo cultivation in Sri Lanka ISBN 978-955-43478-6-1