Productivity and Efficiency

According to the U.S. Environmental Protection Agency, water efficiency is the smart use of our water resources through water-saving technologies and simple steps. Using water efficiently will help ensure reliable water supplies today and for future generations. Topics addressed in this theme provide insights, lessons, and guidance on how diverse stakeholders are working to improve water management and reduce water use.

Productivity and Efficiency Resources

Optimal Design of Border Irrigation Systems

Published: 
June 1, 1984
U.S. Agency for International DevelopmentColorado State University
A procedure combining simulation and mathematical programming to derive an optimal irrigation system design given scarce resources is described. A hydraulics simulation model for surface irrigation was used to develop relationships between water requirement efficiency and the system design...Read more
Regional focus: 
Egypt, Arab Rep.Middle East and North Africa

Lessons from Fisheries Development in West Africa: Purse Seine/Trawler Construction, Ghana

Published: 
June 1, 1984
U.S. Agency for International Development
This publication is one of five working papers that evaluates fisheries development projects in West Africa. This particular paper evaluates the purse seine/trawler construction project in Ghana, and compares the financial data obtained from the operations of the 10 vessels that were constructed by...Read more
Regional focus: 
GhanaSub-Saharan Africa

Women's Roles in Irrigated Agriculture: 1984 Diagnostic Analysis Workshop, Dahod Tank Irrigation Project, Madhya Pradesh, India

Published: 
June 1, 1984
U.S. Agency for International DevelopmentColorado State University
Both the government of India and international donors have become increasingly aware of the importance of women's roles in agricultural production. Anumber of studies in South Asia have shown these roles are changing with agricultural development.Read more
Regional focus: 
IndiaSouth East Asia

Lessons from Fisheries Development in West Africa: Oyster Culture Project, Sierra Leone

Published: 
June 1, 1984
U.S. Agency for International Development
This publication is one of five working papers that evaluates fisheries development projects in West Africa. This particular paper covers an oyster culture project in Sierra Leona, and discusses the possible factors that led to the non-implementation of the extension phase of the project.Read more
Regional focus: 
Sierra LeoneSub-Saharan Africa

Strengthening of South East Asian Aquaculture Institutions

Published: 
June 1, 1984
U.S. Agency for International Development
Progress report detailing progress such as the revision of a workshop document, initiative of experimental work, improvement of computer models and development of a model for walking catfish, and site review in Bangkok.Read more
Regional focus: 
East Asia and Pacific

Socioeconomic Aspects of the Fisheries of Oman

Published: 
June 1, 1984
U.S. Agency for International Development
This report is the realization of four objectives: (1) the analysis of sociocultural survey data collected in 1979; (2) the updating of this analysis with observations made in Oman in 1984; (3) the utilization of the information generated to make sociocultural and economic recommendations...Read more
Regional focus: 
Middle East and North Africa

Considerations of Various. Soil Properties for the Irrigation Management of Vertisols

Published: 
May 1, 1984
U.S. Agency for International DevelopmentColorado State University
Most of the irrigated soils of the Nile River Delta are classified by the U.S. Soil Taxonomy as vertisols. For proper irrigation management, the extensive cracking exhibited by these soils upon drying requires an understanding of how crack formations affect, among other factors, infiltration,...Read more
Regional focus: 
Egypt, Arab Rep.Middle East and North Africa

Influence of Farm Irrigation System Design and Precision Land Leveling on Irrigation Efficiency and Irrigation Water Management

Published: 
May 1, 1984
U.S. Agency for International DevelopmentColorado State University
Presented herein are findings from studies of conventional farm irrigation systems at three locations in Egypt, along with the results of field trials which assessed land-leveling and system design improvements. The typical irrigation method in Egypt involves surface gravity flooding of small flat...Read more
Regional focus: 
Egypt, Arab Rep.Middle East and North Africa

A Technical and Economic Analysis of Low Lift Irrigation Pumping in Egypt

Published: 
May 1, 1984
U.S. Agency for International DevelopmentColorado State University
The need for small, efficient, low-lift pumping devices is being recognized worldwide. Many developing countries need such pumps to lift irrigation surface water 0.5 to 3 meters. This paper analyzes the technical and economic characteristics of low-lift pumps. Water wheels and both portable and...Read more
Regional focus: 
Egypt, Arab Rep.Middle East and North Africa

Funding Requirements for Adequate Irrigation System Operation and Maintenance - Pakistan

Published: 
May 1, 1984
U.S. Agency for International Development
A consulting team visited Pakistan in 4/84 to review provincial funding levels for irrigation system operation and maintenance (O&M) and to propose new O&M funding targets as dictated by an expanded maintenance program and by changes in Provincial Irrigation Department (PID) staffing and...Read more
Regional focus: 
PakistanSouth East Asia

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