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This paper analyzes irrigation operational problems, and their institutional causes, on a new irrigation system in southern Sri Lanka, based on research during disastrous drought. The authors offer a number of suggestions for improving the management of this system.


Merrey, Douglas J.Somaratne, Pallewatte G.[Institutions under stress and people in distress: institution-building and drought in a new settlement scheme in Sri Lanka]Institutions under stress and people in distress: institution-building and drought in a new settlement scheme in Sri Lanka

This volume reviews the findings and results of research of the International Irrigation Management Institute during its first decade. The book also reviews several of the institute?s major institutional strengthening activities.


Merrey, Douglas J.[Expanding the frontiers of irrigation management research: Results of research and development at the International Irrigation Management Institute, 1984 to 1995]Expanding the frontiers of irrigation management research: Results of research and development at the International Irrigation Management Institute, 1984 to 1995

This paper reviews literature in four topic areas of relevance to Sri Lanka: system operations and performance, organization and management of irrigation systems, rehabilitation and modernization of irrigation systems, and resource generation and mobilization. A review on crop diversification iss...


Merrey, Douglas J.Rao, P.S.Martin, E.[Irrigation management research in Sri Lanka: A review of selected literature. Occasional paper. Occasional paper]Irrigation management research in Sri Lanka: A review of selected literature. Occasional paper. Occasional paper

This paper reports on a detailed sociological study carried out as the NGO (or change agent) was completing three-year projects in two sites, Nagadeepa and Pimburettewa. The study describes the change agent's strategy, and analyzes its impact and the perceptions of farmers and government official...


Athukorala, K.Athukorale, K.Merrey, Douglas J.[Effectiveness of nongovernment organizations in developing local irrigation organizations: a case study from Sri Lanka]Effectiveness of nongovernment organizations in developing local irrigation organizations: a case study from Sri Lanka

The method suggested in this manual provides a simplified procedure for calibrating and/or updating drop structure curves. The convenience of the proposed method outweighs the lack of rigor and precision, and in any event, the resulting degree of accuracy appears sufficient for most operational p...


Sakthivadivel, RamaswamyMerrey, Douglas J.[Flow measurements at drop structures for irrigation system management in Sri Lanka]Flow measurements at drop structures for irrigation system management in Sri Lanka

Taking System H of the Mahaweli Program in Sri Lanka as a case study, this paper investigates a field still largely unexplored - the agency and its capacity to manage an irrigation system.


Raby, N.Merrey, Douglas J.[Professional management in irrigation systems: a case study of performance control in Mahaweli System H, Sri Lanka]Professional management in irrigation systems: a case study of performance control in Mahaweli System H, Sri Lanka

The purpose of this Guide is to provide an overview of the major considerations and steps to be followed in organizing new irrigation farmers’ organizations or Irrigation Water Users’ Associations (IWUAs). The Guide should support developing or strengthening a specialized formal IWUA for implemen...


Merrey, Douglas J.Lefore, Nicole[How to support effective and inclusive irrigation water users’ associations: a guide for practitioners]How to support effective and inclusive irrigation water users’ associations: a guide for practitioners

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