Prof. S. Sutharsan

Senior Lecturer Gr. I in Crop Science

• B.Sc. (Agric.) Honours
  Eastern University Sri Lanka
• M. Agric.
  Nagoya University, Japan
• D. Agric.
  Nagoya University, Japan
• Post Doctoral Research Fellow
  University of Cologne, Germany
  Previous Employment

• Senior Lecturer Gr.I : 01st April 2015 - to date
• Senior Lecturer Gr. II : 01st April 2009 – 31st March 2015
• Lecturer (Prob.) : 01st February 2002 - 31st March 2009
• Temporary Assistant Lecturer : 01st January 2001 - 31st January 2002

Contact

Department of Crop Science,
Faculty of Agriculture,
Eastern University Sri Lanka
Vantharumoolai.
Chenkalady.
Sri Lanka
Email : s_sutharsan2003@yahoo.com & sutharsans@esn.ac.lk
T.Phone : + 94 65 2240760 (Office)
Fax : + 94 65 2240740
Mobile : + 94 77 6473246

• Google Scholar
  https://scholar.google.com/citations?hl=en&user=lXqSSO0AAAAJ
• ResearchGate
  https://www.researchgate.net/profile/Sutharsan-Somasundaram

Full Papers

1. Sanjeewani, WC., Sutharsan. and Srikrishnah, S. 2019. Effects of Hydrangea (Hydrangea macrophylla L.) leaf extract foliar application on growth and yield of mungbean (Vigna radiata L.) International Journal of Botany Studies. Vol. 4 (3): 180 – 184.
   http://www.botanyjournals.com/download/412/4-3-31-886.pdf

2. Senevirathne, R., Sutharsan, S., Srikrishnah, S. and Paskaran, A. 2019. Evaluation of applying different levels of compost and biochar on growth performance of Glycine max (L). Asian Journal of Biological Sciences (Open Access DOI: 10.3923/ajbs.2019).
   https://www.researchgate.net/publication/332763117Evaluation of Applying Different Levels of Compost_and_Biochar_on_Growth_Performance_of_Glycine_max_L

3. Kalaivany, V., Sutharsan, S. and Baskaran, A. 2019. Effects of natural and commercially available seaweed liquid extracts on growth and yield of Vigna unguiculata L. Asian Journal of Biological Sciences (Open Access DOI: 10.3923/ajbs.2019).

4. Kumarasinghe, P G S A., Srikrishnah, S., Anjali, Y M U, and Sutharsan, S. 2019. Effect of different concentrations of selected liquid fertilizers on acclimatization of weakly grown in vitro plantlets of Anthurium andraeanum L, var, ‘Lalani’. AGRIEAST, Vol. 13 (1): 9 - 31
   https://agrieast.sljol.info/articles/abstract/10.4038/agrieast.v13i1.61/

5. Abirami, K., Srikrishnah, S. and Sutharsan, S. 2018. Effects of graded nitrogen levels on the growth and quality of Cordyline fruticosa L. variety “Purple Compacta’ in Batticaloa district of Sri Lanka. AGRIEAST, Vol. 12 (2): 1 – 9.
   https://agrieast.sljol.info/7/volume/12/issue/2/

6. Sutharsan, S. and Rajendran, M. 2018. Effects of Different Levels of Nitrogen Sources and Spacing on Growth and Yield of Tomato (Lycopersicon esculentum Mill) var. International Journal of Research Publications. Vol. 8 (1): 1 – 7.
   http://ijrp.org/paper_detail/274

7. Narmikaa, K., Srikrishnah, S. and Sutharsan, S. 2018. Influence of different shade levels on the growth and quality of Codiaeum variegatum var. “Bush on Fire’ in the Batticaloa district. International Journal of Research Publications. Vol. 6 (1): 1 – 22.
   http://ijrp.org/paper_detail/217

8. Abirami, K., Srikrishnah, S. and Sutharsan, S. 2018. Effects of graded nitrogen levels on leaf nitrogen content of cordyline (Cordyline fruiticosa var. ‘purple compacta’) in Batticaloa district, Sri Lanka. Research Journal of Agriculture and Forestry Sciences. Vol. 6 (7): 7 – 9.
   http://www.isca.in/AGRI_FORESTRY/Archive/v6/i7/2.ISCA-RJAFS-2018-013.pdf

9. Narmikaa, K., Srikrishnah, S., Sutharsan, S. and Mayoory, J. 2018. Influence of different shade levels on the growth and quality of Polyscias guilfoylei ‘variegata’ in the Batticaloa district of Sri Lanka. International Journal of Research Publications. Vol. 6 (1): 1 – 15
   .http://ijrp.org/paper_detail/219

10. Nishanthy, S. and Sutharsan, S. 2017. Effect of Integrated Use of L-Tryptophan and Chemical Fertilizer on Growth and Yield Performances of Radish (Rhaphanus sativus L.). Journal of Agricultural Sciences. AGRIEAST 2017 Vol. 11 (2): 27 – 33.
    https://agrieast.sljol.info/articles/abstract/10.4038/agrieast.v11i2.37/

11.  Krishnakanth, M., Srikrishnah, S. and Sutharsan, S. 2017. Effects of different shade levels on the growth and quality of Cordyline fruiticosa variety ‘Purple Compacta’ in the Batticaloa district. Journal of Agricultural Sciences. AGRIEAST 2017 Vol. 11 (1) : 17 - 24.
    https://agrieast.sljol.info/articles/abstract/10.4038/agrieast.v11i1.31/
12.  Sutharsan, S and Mohottige, L.N. 2017. Effects of inorganic and organic nutrient sources o growth and nodulation of Glucine max in Batticaloa, Sri Lanka. Research Journal of Agriculture and Forestry Sciences. 5 (9): 1 - 5.
    http://www.isca.in/AGRI_FORESTRY/Archive/v5/i9/1.ISCA-RJAFS-2017-023.pdf
13. Sutharsan, S. 2017. The roles of root border cells in plant growth and development: a review. Research Journal of Agriculture and Forestry Sciences. 5(4): 23 - 28.
    http://www.isca.in/AGRI_FORESTRY/Archive/v5/i4/5.ISCA-RJAFS-2017-003.pdf
14. Sutharsan, S. 2017. Natural farming practices with special emphasis on organic farming for quality food and healthy life. Proceedings of the Second International Conference of Swami Vipulananda Institute of Aesthetic Studies (SVIAS) Eastern University Sri Lanka. 79 – 80.
15. Sutharsan,S., Nishanthi, S. and Srikrishnah, S. 2017. Effects of seaweed (Sargassum crassifolium) extract foliar application on seedling performance of Zea mays L. Research Journal of Agriculture and Forestry Sciences. 5(4): 1 – 5.
    http://www.isca.in/AGRI_FORESTRY/Archive/v5/i4/1.ISCA-RJAFS-2017-008.pdf
16.  Srikrishnah, S., Sutharsan, S., Thanusha, R. and Paskaran, A. 2017. Effect of graded shade levels on the growth and qualities of Dracaena sabderiana var. ‘Celes’. Research Journal of Agriculture and Forestry Sciences. 5(3): 1 – 4.
    http://www.isca.in/AGRI_FORESTRY/Archive/v5/i3/1.ISCA-RJAFS-2017-002.pdf
17. Sutharsan, S., Yatawate, V. and Srikrisnah, S. 2016. Effect of different rates of nitrogen and phosphorous on growth and nodulation of Glycine max in the Eastern region of Sri Lanka. World Journal of Engineering & Technology. 4: 14 - 17.
    http://www.scirp.org/Journal/PaperInformation.aspx?PaperID=70050
18. Nishanthi, S., Brintha, NKK. and Sutharsan, S. 2015. Study on black gram (Vigna mungo) / Vegetable Amaranthus (Amaranthus tricolor L.) intercropping in sandy regosol. 5th International Symposium. South Eastern University, Sri Lanka. 187 – 191.
19. Nishanthi, S and Sutharsan, S. 2015. Effect of exogenously applied L-Tryptophan and chemical fertilizer on tuber formation of radish. 5th International Symposium. South Eastern University, Sri Lanka. 143 – 146.
20. Nishanthi, S., Geretharan, T., Sutharsan, S. and Paskaran, A. 2015. Effect of EM and selected locally available organic solutions on seed germination of Tomato. Proceedings of the National Symposium on Agriculture 2015. 11 – 15.
21. Srikrishnah, S., Sutharsan, S., Nishanthi, S. and Paskaran, A. 2015. Effect of different shade levels on plant height, harvest index and tuber yield of turmeric (Curcuma longa L.) grown in the Batticaloa district of Sri Lanka. Proceedings of the National Symposium on Agriculture 2015. 35 – 38.
22. Sutharsan, S and Srikrishnah, S. 2015. Effect of shade levels on growth and tuber yield of Turmeric (Curcuma longa L.) in the Batticaloa District of Sri Lanka. American-Eurasian Journal of Agricultural & Environmental Sciences. 15(5): 813 – 816.
    http://www.idosi.org/aejaes/jaes15(5)15/15.pdf
23. Sutharsan, S and Srikrishnah, S. 2015. Effect of different spatial arrangements on the growth and yield of maize (Zea mays L.) and groundnut (Arachis hypogaea L.) intercrop in the sandy regosol of Eastern region of Sri Lanka. Research Journal of Agriculture and Forestry Sciences. 16-19.
    http://www.isca.in/AGRI_FORESTRY/Archive/v3/i2/4.ISCA-RJAFS-2014-070.pdf
24. Sutharsan,S., Nishanthy, S. and Srikrishna, S. 2014. Effect of seaweed extract (Sargassum crassifolium) foliar application on the performance of Lycopersicon esculentum Mill. in sandy regosol of Batticaloa District, Sri Lanka. American-Eurasian Journal of Agricultural & Environmental Sciences. 14 (12): 1386 - 1396.
    http://www.idosi.org/aejaes/jaes14%2812%2914/9.pdf
25. Sutharsan, S. and Prasanna. J. 2014. Pesticide usage on vegetable cultivation in Mutur Divisional Secretariat division of Trincomalee district. International Symposium, Ruhunu University of Sri Lanka. 431 - 435.
    http://www.agri.ruh.ac.lk/sympo/ISAE2014/docs/ISAE2014.pdf
26. Sutharsan, S., Sivakumar, S. and Srikrishna, S. 2014. Pesticide usage pattern for vegetable cultivation in Munmunal South & Eruvilpattu divisional secretariat division of Batticaloa District, Sri Lanka. International Journal of Agricultural Research Innovation and Technology. 4(1): 53 – 56.
    http://ijarit.webs.com/IJARIT%200095.pdf
27. Sutharsan, S., Perinparaja, A. and Srikrishna, S. 2014. Preliminary study to evaluate the effect of Biochar to reduce nitrogen losses from sandy regosols of Batticaloa district. International Symposium, Ruhunu University of Sri Lanka. 169 - 171.
    http://www.agri.ruh.ac.lk/sympo/ISAE2014/docs/ISAE2014.pdf
28. Sutharsan, S., Nishanthy, S. and Srikrishna, S. 2014. Effect of seaweed extract (Sargassum crassifolium) foliar application on the seedling performance of Zea mays.L. International Symposium, Ruhunu University of Sri Lanka. 119 - 122.
    http://www.agri.ruh.ac.lk/sympo/ISAE2014/docs/ISAE2014.pdf
29. Srikrishna, S., Sivakumar, K. and Sutharsan, S. 2014. Pesticide storage, disposal and protective methods adapted by vegetable farmers in the Manmunai South & Eruvilpattu divisional secretariat division of Batticaloa district, Sri Lanka. 4th International Symposium, South Eastern University of Sri Lanka. 416 – 418.
    http://www.seu.ac.lk/symposium2014/downloads/Proceedings_2014.pdf
30. Sutharsan, S. and Srikrishna, S. 2013. Effects of selected organic sources on the growth and yield of different maize (Zea mays L.) varieties in sandy regosols of Batticaloa district. Annual Research Session 2013. Uva Wellasa University Sri Lanka. 28-31.
31. Sutharsan, S. and Rajendran, M. 2013. Influence of liquid organic fertilizers on the growth and yield of maize (Zea mays L.). Journal of Agricultural Sciences. AGRIEAST 2010 Vol. 9: 11 -16.
32. Sutharsan, S. and Srikrishna, S. 2013. Effects of selected organic sources on the vegetative growth of different maize (Zea mays L. ) varieties in sandy regosols of Batticaloa district. Annual Academic Session 2013. Open University of Sri Lanka. 422 – 425.
33. Srikrishan, S., Peiris, SE. and Sutharsan, S. 2012. Effect of shade levels on leaf area and biomass production of three varieties of Dracaena sanderiana L. in the dry zone of Sri Lanka. Tropical Agricultural Research. 23(2): 142 – 151.
34. Hareendran, S., Sutharsan, S. and Srikrishna, S. 2012. Effects of different levels of tank silt application on leaf area and biomass partitioning of maize (Zea mays L.). Second International Symposium 2012. South Eastern University of Sri Lanka. 107 – 108.
35. Vithurshana, V. and Sutharsan, S. 2012. Effect of organic liquid mixture of green gram (Vigna radiate L). 2012. Second International Symposium 2012. South Eastern University of Sri Lanka. 109 – 111.
36. Thanuejah, S. and Sutharsan, S. 2012. Effect of flooding on the socio – economic characters of paddy farmers in the major paddy producing secretariat divisions of Batticaloa district. Second International Symposium 2012. South Eastern University of Sri Lanka. 246 – 248.
37. Iijima, M., Yoshida, T., Kato, T., Kawasaki, M., Watanabe, T. and Sutharsan, S. 2011. Visualization of water movement among plant tissues by TOF – SIMS cryo – system. Journal of Experimental Botany. 2179 – 2188.
38. Srikrishna, S., Peiris, SE. and Sutharsan, S. 2011. Influence of shading on growth and Quality of dracaena varieties (Dracaena sanderiana L.). National Symposium on floriculture Research 2011 (NASFLOR 2011), Department of Botanical Gardens, Peradeniya. 1-5.
39. Srikrishan, S and Sutharsan, S. 2011. Preliminary survey on the present status of Floriculture sector in Batticaloa District. National Symposium on floriculture Research 2011 (NASFLOR 2011), Department of Botanical Gardens, Peradeniya. 20-23.
40. Lavanya, S. and Sutharsan, S. 2010. Performance of black gram ( Vigna mungo L.) under natural and inorganic cultivation practices during vegetative stage in Yala season. Annual Research Session 2010, Vavuniya Campus. University of Jaffna. 1-7.
41. Sutharsan, S., Rao, TP., Tatsumi, J. and Iijima, M. 2009. Rhizodeposition of mucilage, root border cells, carbon and water under combined soil physical stresses in Zea mays L. Journal of Plant Production Science 443 – 448.
42. Sutharsan, S., Fukuzono, S. and Iijima, M. 2008. Dynamics of root border cells in rhizosphere soil of Zea mays L: Crushed cells during root penetration, survival in soil, and long term soil compaction effect. Journal of Plant Production Science 11(4): 440 - 446.
43. Sutharsan, S., Bonkowski, M. and Iijima, M. 2008. Functional role of mucilage -border cells: A complex facilitating protozoan effects on plant growth. Journal of Plant Production Science 11 (3): 344 - 351.
44. Sutharsan, S., Fukuzono, S. and Iijima, M. 2004. Quantification of root border cells in the rhizosphere soil of Zea mays. Japanese Journal of Crop Science. 73 Extra issue 2:　58-59.
45. Sugirtharan, M., Sutharsan, S. and Thiruchelvam, T. 2004. Quality assessment of well water at Thuaineelawanai area of Batticaloa district. Proceedings of the Annual research session 2001 / 2002, Eastern University Sri Lanka. 1-7.
46. Sutharsan, S., Arulnandhy, V. and Mahendran, T. 2002. Evaluation of some quality characters of five tomato varieties (Lycopersicon esculentum) grown in sandy regosols of Batticaloa district. Proceedings of the Annual research session 2001 / 2002, Eastern University Sri Lanka. 82-86.
47. Arulnandhy, V., Sutharsan, S. and Suthareson, T. 2002. The performance of parents and their F5, BC2 and BC3 progenies in Brinjal (Solanum melongena L.) Proceedings of the Annual research session 2001 / 2002, Eastern University Sri Lanka. 170-175.

Abstracts

1. Bandara, BWLW., Sutharsan, S. and Srikrishnah, S. 2018. Foliar application of seaweed liquid extracts on growth performance of Glycine max (L). 2nd International Research Symposium, Uwa Wellasa University. 9.
2. Srikrishnah, S and Sutharsan, S. and. 2018. Effects of selected growth regulators and botanical extracts on the growth and flowering of Anthurium (Anthurium andreanum L.). 2nd International Research Symposium, Uwa Wellasa University. 37.
3. Srikrishnah, S., Sutharsan, S., Narmhikaa, K. and Mayoory, J. 2018. Effect of graded shade levels on the growth and quality of Polyscias guilfoylei ‘variegata’ in the Batticaloa district of Sri Lanka. 2nd International Research Symposium, Uwa Wellasa University. 43.
4. Tharmayalini, T., Srikrishnah, S. and Sutharsan, S. 2015. Effect of different levels of Nitrogen on plant biomass and flower diameter of Jasmine (Jasminum sambac L.) cv. in the Batticaloa district. National Symposium on Floriculture Research 2015. 21.
5. Srikrishnah, S., Thamotharampillai, T. and Sutharsan, S. 2015. Effect of graded levels of nitrogen on plant height and flower yield of Jasmine (Jasminum sambac L.) cv. Local in the Batticaloa district. International Conference on Dry Zone Agriculture 2015. 62.
6. Sutharsan, S., Srikrishnah, S. and Rameskaran, M. 2014. Effects of different mulching materials on the growth of cowpea (Vigna unguiculata) in the sandy regosols of Batticaloa district, Sri Lanka. Wayamba International Conference 2014. 278.
7. Sanjayaranj, R., Srikrishna, S. and Sutharsan, S. 2013. Growth performance of selected anthurium (Anthurium andraeanum L.) varieties in the Batticaloa district of Sri Lanka under appropriate management practices. International Conference of Eastern University Sri Lanka. 75.
8. Sutharsan, S., Rajendram, M. and Srikrishna. S. 2012. Effect of combination of organic and inorganic nitrogen fertilizers and spacing on growth and yield of Tomato (Lycopersicon esculantus L. Var. Thilina) in the Eastern region of Sri Lanka. 13th Annual Research Symposium, University of Kelaniya, Sri Lanka. 146.
9. Srikrishan, S and Sutharsan, S. 2011. Preliminary survey on the present status of Floriculture sector in Batticaloa District. National Symposium on floriculture Research 2011 (NASFLOR 2011), Department of Botanical Gardens, Peradeniya. 17.
10. Srikrishna, S., Peiris, SE. and Sutharsan, S. 2011. Influence of shading on growth and Quality of dracaena varieties (Dracaena sanderiana L.). National Symposium on floriculture Research 2011 (NASFLOR 2011), Department of Botanical Gardens, Peradeniya. 14.
11. Thanuja, S. and Sutharsan, S. 2011. Impact of recent flooding on paddy cultivation in selected five Divisional Secretariat divisions of Batticaloa District. Annual Research Session 2011, Eastern University Sri Lanka. 17.
12. Srikrishna, S., Sutharsan, S. and Kamshananthi, T. 2011. A study on the effect of different shade levels on the growth and development of threadstem carpet weed (Mollugo cerviana). Proceedings of the 67th Annual Session, Sri Lanka Association for the Advancement of Science, Colombo. 133.
13. Srikrishna, S., Peris, SE. and Sutharsan, S. 2011. Influence of shading on biomass partitioning of selected varieties of Dracaena sanderiana L. in the dry zone (Batticaloa district) of Sri Lanka. International Symposium on Agriculture & Environment 2011. Faculty of Agriculture, University Ruhuna, Ruhuna. 118.
14. Rajendran, M., Sutharsan, S. and Srikrishnah. S. 2011. Effectiveness of liquid organic mixture on growth and yield of Maize (Zea mays) in sandy regosol of Batticaloa district. Proceedings of the 4th Annual Symposium, General Sir John Kotelawala Defence University, Colombo. 108.
15. Lavanya, S and Sutharsan, S. 2011. Effects of Natural and Inorganic management practices on the soil properties of sandy regosols during Yala season in Batticaloa district. International symposium, South Eastern University of Sri Lanka, Olluvil. 61.
16. Srikrishna, S., Sutharsan, S. and Rajendram, M. 2010. Effect of selected organic sources on growth and yield of cowpea (Vigna unguiculata) (cv. Waruni) in sandy regosol of Batticaloa district. Annual Research Session 2010. Eastern University Sri Lanka. 44.
17. Sutharsan, S., Bonkowski, M. and Iijima, M. 2006. The mucilage – border cell complex contributed to growth enhancement of rice plants through interactions with soil protozoa. Japanese Journal of Root Research, 15 (2): 71.
18. Sutharsan, S., Bonkowski, M. and Iijima, M. 2005. Effects of common soil protozoa on the growth of rice. Japanese Journal of Crop Science, Tokai branch, Japan. 20.
19. Sutharsan, S. and Iijima, M. 2004. Root border cells in Zea mays : Survival in the rhizosphere and soil compaction effects on cell release rate. Poster presentation. 15th AAACU (Association for the Asian Agricultural Colleges and Universities) biannual convention, Nagoya University, Japan.
20. Sutharsan, S., Arulnandhy, V. and Mahendran, T. 2002. Evaluation of some quality characters of five tomato varieties (Lycopersicon esculentum) grown in sandy regosols of Batticaloa district. Proceedings of the Annual research session 2001 / 2002, Eastern University Sri Lanka. 16-17.
21. Arulnandhy, V., Sutharsan, S. and Suthareson, T. 2002. The performance of parents and their F5, BC2 and BC3 progenies in Brinjal (Solanum melongena L.) Proceedings of the Annual research session 2001 / 2002, Eastern University Sri Lanka. 39-40.
22. Sutharsan, S., Siriwardena, TDW. and Mahendran, T. 2001. Development of Maize-Soy based supplementary food and evaluation of quality parameters. Proceedings of the 57th Annual Session of Sri Lanka Association for the Advancement of Science, Colombo. 246.

BOOKS PUBLISHED

1.  Srikrishnah, S. and Sutharsan. S. 2017. Principles of Floriculture and Landscaping. (ISBN 978- 955-38210-0-3) (in Tamil medium).
2. Viharna, S., Sutharsan, S., Geretharan, T. and Srikrishnah, S. 2014. Natural Farming. (ISBN 978-955-44337-1-7)( in Tamil language).
3. Somasundaram Sutharsan. 2013. Sustainable Organic Rice Cultivation. (ISBN 978-955-4749-00-9) (in Tamil language).
4. Rajendram, M. and Sutharsan, S. 2012. Penthagu vivasaayam : Botanicals, Organic Fertilizers, Human Health (ISBN 978-955-54114-0-0 Sustainable Agriculture). (in Tamil language)
5. Rajendram, M., Srikrishnah, S. and Sutharsan, S. 2012. Kaalanilaiyum vivasaayamum Part 01 (ISBN 978-955-54114-1-7 Agriculture and Climate Part 01). (in Tamil language)
6. Rajendram, M., Srikrishnah, S. and Sutharsan, S. 2012. Kaalanilaiyum vivasaayamum Part 02 (ISBN 978-955-54114-2-4 Agriculture and Climate Part 02). (in Tamil language)
7. Rajendram, M., Subalini, E. and Sutharsan, S. 2012. Vilankku Vingnanam Part 1 (ISBN 978-955-54237-1-7). (in Tamil language)
8. Rajendram, M., Subalini, E. and Sutharsan, S. 2012. Vilankku Vingnanam Part 2 (ISBN 978-955-54237-2-4). (in Tamil language)

• Sustainable Agriculture
• Organic Farming
• Conservation Agriculture
• Rice Agronomy
• Floriculture

• Sustainable Agriculture
• Principles of Crop Production
• Floriculture
• Scientific Writing
• Carrier Guidance

• The President’s Award for Scientific Publication 2011, held in November 2014 at Waters Edge, Batharamulla. Sri Lanka
• DAAD scholarship for Post Doctoral Research at University of Cologne, Germany.
• Monbukagushoo scholarship by the Ministry of Education and Sport, Japan for the period from April 2003 to March 2009 to read Postgraduate Degree programs of Master of Agriculture Science and Doctor of Agriculture Science at Nagoya University, Japan.