BOOKS
Wijeratne, M. and De Silva, W.N. 1998. Equity Implications of Reforms in the Financing and Delivery
of Agricultural Extension Services: Sri Lanka, Department of Agricultural Extension and Rural Development
(AERDD), University of Reading, United Kingdom, Feb. 1998. 57 pp (A Monograph).
Wijeratne, M. and De Silva, W.N. 2001. An Approach to Participatory Integrated Pest Management ,
A.J. Prints, Dehiwala, Sri Lanka, 187.
Wijeratne, M. De Silva, W.N and Sandika, A.L. 2005. (Use of Participatory Rural Appraisal Principles
in Agriculture Development), A.J. Prints, Dehiwala, Sri Lanka, 91.
PAPERS PRESENTED IN CONFERENCES
Wijeratne, M. and De Silva, W.N. 1998. Reforms in the Financing and Delivery of Agricultural
Extension Services: Sri Lanka, in Abigail Mulhall, Kate Warren and Chris Garforth (Eds), Reforms
in the Financing and Delivery of Agricultural Extension Services: cases from Africa, Asia and
Latin America, Department of Agricultural Extension and Rural Development (AERDD), University
of Reading, United Kingdom. 139-166pp.
Wijeratne, M. and De Silva, W.N. 1998. Agricultural Extension Reforms: The Case of Sri Lanka,
A paper presented at the workshop on Equity Implications in the Financing and Delivery of Agricultural
Extension Services held at the University of Reading, United Kingdom, 18-27, Feb. 1998.
Wijeratne, M. and De Silva, W.N. 2002. Differences in farmer performance in two rice-growing
areas in Sri Lanka, International Rice Research Notes, Vol.27.2/2002, 42-43Wijeratne, M. and De Silva,
W.N. 2003. Farmer categorization based on farmer performance index : identifying the targets of agricultural
extension International Rice Research Notes, Vol.28.1/2003, 72.
Wijeratne, M. and De Silva,W.N. 2004. Status of rice seed production in Sri Lanka: Some bottlenecks.
International Rice Research Notes.
Vol.29.2/2004, 82.
Wijeratne, M., Garforth, C. and De Silva, N. 1997. Misuse of pesticides and
integrated pest Management: An Economic and Environmental study, AERDD working paper 97. University of Reading,
United Kingdom. 65pp.
Wijeratne, M., De Silva, W.N. and Sandika, A.L. 2004. Impact of farmer Field Schools on Farmer's
knowledge: the IPM experience in Sri Lanka, International Rice Research Notes, Vol. 29.1/2004, 78.
RECENT PUBLICATIONS
De Silva, W.N. 1993. Environmental Impacts of Irrigation Development: A study with particular reference
to the Kirindi Oya Project; An unpublished B.Sc (Agric.) dissertation, Faculty of Agriculture, University of
Ruhuna, Matara.
De Silva, W.N. 1996. An Economic Analysis of Recreational Benefits of the Horton Plains National
Park; An unpublished MSc (Environmental Economics) dissertation, Post Graduate Institute of Agriculture,
University of Peradeniya, Peradiniya.
De Silva, W.N. and Wijeratne, M. 1997. An Evaluation of Recreational Benefits: A case study of
a Natural Park, Proceedings, 53rd annual session of the Sri Lanka Association for Advancement of
Science (SLAAS), Colombo, Sri Lanka, December, 1997, 378pp.
Wijeratne, M. and De Silva, W.N. 1998. Implications of agricultural
extension reforms: extension coverage under different management systems.
Proceedings, 54th annual session of the Sri Lanka Association for Advancement
of Science (SLAAS), Colombo, Sri Lanka, December, 1998, 349-350pp.
Wijeratne, M. and De Silva, W.N. 1999. A technology dissemination effort in IPM in rice cultivation, Proceedings,
Seminar on; Pest Control in the Next Millennium, Organized by Sri Lanka Association for the Advancement of Science
(SLAAS) and University of Ruhuna, Colombo, 36-45pp.
Wijeratne, M., Garforth, C. and De Silva, N. 1998. Farmer field school as an extension
approach: dissemination of Integrated Pest Management (IPM) techniques in rice farming. Procedings,
54th annual session of the Sri Lanka Association for Advancement of Science (SLAAS), Colombo,
Sri Lanka, December, 1998, 347-348pp.
Wijeratne, M., Garforth, C. and De Silva, N. 1999. Effectiveness of Integrated pest Management
(IPM): an economic analysis. Proceedings, 55th annual session of the Sri Lanka Association for
Advancement of Science (SLAAS), Colombo,Sri Lanka, December, 1999, 253pp.
Wijeratne, M.; De Silva W.N.; and Sandika, A.L. 2003. Farmer categorization for an agricultural
extension programme. Proceedings, 59th annual session of the Sri Lanka Association for the Advancement
of Science (SLAAS), Colombo, Sri Lanka, Dec., 266.
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