Faculty of Agriculture

University of Peradeniya

Dr. J.A.S.D. Silva

Senior Lecturer



Official Address :

Department of Agricultural Extension,
Faculty of Agriculture,
University of Peradeniya,
Peradeniya,
Sri Lanka


Email :

saliyades@pdn.ac.lk


Telephone :

+94 81 239 5522


Personal Website :






  • Ph.D. (Kagoshima)
  • M.Sc. (Saga)
  • B.Sc. Agric. (Peradeniya)
  • Awarded a First Class Honours Degree and ranked first in the batch of 185 students at B. Sc. (Agriculture) Special program, Faculty of Agriculture, University of Peradeniya, 1995.

  • Christopher De Seram Weerasinghe Siriwardana Scholarship (1993)- Greatest competence at the Mahailluppallama farm practice course (B. Sc. Agriculture Second Examination)

  • Prof. Appadurai Memorial scholarship (1994) - Best average marks of the First, Second and Third examinations in B. Sc. (Agriculture) combined. Ananda Amarasinghe Memorial Scholarship (1994) - The most meritorious student at the Third Examination in B. Sc. (Agriculture).
  • University Scholarship (1995) - Highest overall results in the Final Examination in B. Sc. (Agriculture).
  • E. M. R. B. Ekanayake memorial prize (1995) - Best results in B. Sc. (Agriculture) at all Examinations.
  • Awarded University Half Colours (1994) and Full Colours (1995) for the excellent performance in 1994 and 1995 Peradeniya University Rugger/Rugby Football teams
  • Japanese Government (Monbugakakusho) scholarship for postgraduate studies in Japan for a period of six year from 2000 to 2006
  • Best Poster (2005) in General Seminar of United Graduate School, Kagoshima University
  • Head, Department of Agricultural Extension, Faculty of Agriculture, University of Peradeniya
  • Secretary, Sri Lanka Agricultural Extension Association (2009 to 2011)
  • Coordinator, M.Sc. in Organizational Management, Postgraduate Institute of Agriculture, University of Peradeniya, (From January 29, 2007 to date)
  • Secretary, Board of Study in Agric. Extension, Postgraduate Institute of Agriculture, University of Peradeniya, (From January 29, 2007 to date)
  • Member, Board of Study in Agric. Extension, Postgraduate Institute of Agriculture, University of Peradeniya, (From July 06, 2006 to date)
  • Member, Board of Study in Business Administration, Postgraduate Institute of Agriculture, University of Peradeniya (From June 01, 2006 to date)
  • Senior Lecturer in Organisational Management at the Department of Agricultural Extension, Faculty of Agriculture, University of Peradeniya, Sri Lanka (From March 17, 2006 to date)
Visiting Appointments
  • Visiting Lecturer, Postgraduate Institute of Agriculture
  • Visiting Lecturer, Department of Farm Animal Production & Health, Faculty of Veterinary Medicine & Animal Science, University of peradeniya
  • Visiting Lecturer, Faculty of Agriculture, Rajarata University of Sri Lanka
  • Visiting Lecturer, Saga National University, Japan
  • Management of small and medium enterprises
  • Enterprise development
  • Organizational culture
  • Product innovation
  • Green management
  • De Silva, Saliya, Jun TAKEDA, Yoshiharu SHIRATAKE, and Izumi IWAMOTO (2006) "Organizational Culture and Product Innovation: A Case Study of Food Processing Firms in Sri Lanka", Review of Agricultural Economics, Vol. 56(2), pp. 51-60
  • De Silva, Saliya, Jun TAKEDA and Yoshiharu SHIRATAKE (2006) "Socio-Economic Factors Affecting Product Innovation: A Case Study of Food Processing Industry in Sri Lanka", Journal of Rural Economics, pp. 624-631
  • Ratnayake, P. and Saliya De Silva , (2010) "Human Capital Development in Sri Lanka Under Japanese Assistance: Strengths and Weaknesses", Economic Review, Vol. 43 (2), pp. 1-35
  • Ratnayake, P. and Saliya De Silva, (2010) "Human Capital Development in Asia Under Japanese Assistance: The Experience of Sri Lanka", Ryukoku Journal of Economic Studies, Vol. 50 (1-2), pp. 93-111
  • Herath, H.M.U.N. and Saliya De Silva (2010), "Strategies for Competitive Advantage in Value Added Tea Marketing", Tropical Agriculture Research, Vol. 22(3), pp. 251-262
  • De Silva, Saliya and Jun TAKEDA (2005) "Influence of Culture on Innovation Barriers: The Case of Sri Lankan Food Processing Industry," Journal of Applied Sciences, Vol. 5(7), pp. 1308-1315

  • De Silva, Saliya and Jun TAKEDA (2005) "Organizational Culture and Innovation: A Sri Lankan Experience", Sri Lanka Economic Journal, Vol. 6(1&2), pp. 73-108
  • De Silva, Saliya, Jun TAKEDA, Yoshiharu SHIRATAKE, and Izumi IWAMOTO (2006) "Organizational Culture and Product Innovation: A Case Study of Food Processing Firms in Sri Lanka", Review of Agricultural Economics, Vol. 56(2), pp. 51-60
  • De Silva, Saliya, Jun TAKEDA and Yoshiharu SHIRATAKE (2006) "Socio-Economic Factors Affecting Product Innovation: A Case Study of Food Processing Industry in Sri Lanka", Journal of Rural Economics, pp. 624-631
  • De Silva, Saliya and Jun TAKEDA (2006) "Product Innovation Strategies of the Sri Lankan Food Processing Firms: In Search of the Best Strategy", International Review of Business Research Papers, (accepted for publication)
  • De Silva, Saliya and Jun TAKEDA (2006) "Organizational Culture: An Indispensable Factor in Innovation", Agriculture Bulletin, Vol. 91, pp. 85-98
  • Takeda, Jun, De Silva, Saliya, Muthuraman, P., Rahman, S.M., and Lotje Kawet (2008) "Spices in Sri Lanka, India and Bangladesh with Special Reference to the Usage and Consumption", Agriculture Bulletin, Vol. 93, pp. 1-25
  • Ratnayake, P. and Saliya De Silva, (2010) "Human Capital and Economic Development: A Survey of Conceptual Relationship and Experience", Economic Review, Vol. 43 (1), pp. 1-19

  • Ratnayake, P. and Saliya De Silva , (2010) "Human Capital Development in Sri Lanka Under Japanese Assistance: Strengths and Weaknesses", Economic Review, Vol. 43 (2), pp. 1-35

  • Ratnayake, P. and Saliya De Silva , (2010) "Human Capital Development in Asia Under Japanese Assistance: The Experience of Sri Lanka", Ryukoku Journal of Economic Studies, Vol. 50 (1-2), pp. 93-111

Chapters/Abstracts/Published Proceedings
  • De Silva, Saliya and Jun TAKEDA (2005) Strategic Orientation for Product Innovation in Developing Countries: The Case of Food Processing Firms in Sri Lanka", Proceedings of the 79th Annual Symposium of Japan Society of Business Administration, Sept. 2005, Kyushu University, Fukuoka, pp. 283-286
  • De Silva, Saliya (2006) "Organizational Culture and Management Strategies for Product Innovation: A Case Study of Food Processing Firms in Sri Lanka", Ph.D. Thesis, United Graduate School, Kagoshima University, Japan
  • Senavirathne, M. and Saliya De Silva (2007) "Customer Resistance for Innovative Products: A Case Study on an Adhesive Tape", Proceedings of the Peradeniya University Research Sessions - 2007, Peradeniya Vol. 12, pp. 42-44
  • Ratnayake, P. and Saliya De Silva (2008), "Human Capital Development in Asia Under Japanese Assistance: The Experience of Sri Lanka; International Symposium on Human Capital Development for Economic Development in Asia: Retrospectives and Prospective of Japanese Cooperation, Saga University, Japan, December 2008, pp. 126 - 183
  • Saliya De Silva (2009), "Water: A Root of Poverty among Estate Women in Sri Lanka", Forth South Asia Water Research Conference, May 2009, Kathmandu, Nepal, pp. 78-89
  • Karunatihilake, V. and Saliya De Silva (2009), "A Case Study of the Homestead Development Project Under Api Wawamu-Rata Nagamu Program in Sri Lanka", Proceedings of Agricultural Extension Conference 2009, August 2009, Peradeniya, pp. 468 - 481
  • Saliya De Silva (2010) "Water and Women on a Tea Estate in Sri Lanka" In Illustrative Cases for Teaching IWRM (Vol. 01): A Compendium of Ten Illustrative Cases from South Asia, Sac iWATER, Hyderabad, India
  • Herath, H.M.U.N. and Saliya De Silva (2010), "Strategies for Competitive Advantage in Value Added Tea Marketing", Proceedings of the 22nd PGIA Annual Congress, 25-26th November 2010, Peradeniya,
  • Gunawardena, I.P.P, Galagedera, L.W. and Saliya De Silva (2010), "Practical Issues of Partial Onsite Sanitation Systems: Two Case Studies from Sri Lanka", Proceedings of the 22nd PGIA Annual Congress, 25-26th November 2010, Peradeniya,
  • Samaranayake, S.U. and Saliya De Silva (2010), "Effect of Green Workplace Environment on Employee Performance", Proceedings of the International Conference on Sustainable Built Environments, 12-14th December 2010, Kandy, pp. 417-425
  • Saliya De Silva (2011), "Contribution of Human Capital Developed in Japan to Institutional Development in Sri Lanka", International Symposium on Human Resource Development in Japanese Universities: Strengths and Weaknesses, Saga University, Japan, February, 2011, pp. 1 - 38