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

Predicting Water Availability in Irrigation Tank Cascade Systems: The Cascade Water Balance Model

Published: 
January 1, 2001
U.S. Agency for International Development
This report presents "Cascade", a water balance model that can predict tank water availability in the Thirappane tank cascade system in Anuradhapura, Sri Lanka. The model determines tank water availability on a daily basis for the purpose of improving productive use of the water...Read more
Regional focus: 
Sri LankaSouth East Asia

Valuing Water in Irrigated Agriculture and Reservoir Fisheries: A Multiple-Use Irrigation System in Sri Lanka

Published: 
January 1, 2001
U.S. Agency for International Development
Decision makers often lack information on the relative economic contributions of water for both irrigation and non-irrigation uses, resulting in inefficient and inequitable water allocation decisions. to help address this problem, the present report examines the relative economic contributions of...Read more
Regional focus: 
Sri LankaSouth East Asia

Estimating Productivity of Water At Different Spatial Scales Using Simulation Modeling

Published: 
January 1, 2001
U.S. Agency for International Development
Implementing real water saving measures in irrigated agriculture is only possible if all the components of the current water balance are clearly understood. Although measurement of all these components is infeasible on a spatial and temporal scale, hydrological simulation models can fill the gap...Read more
Regional focus: 
TurkeyEurope and Central Asia

Alternate Wet/Dry Irrigation in Rice Cultivation: A Practical Way to Save Water and Control Malaria and Japanese Encephalitis

Published: 
January 1, 2001
U.S. Agency for International Development
Due to increasing scarcity of freshwater resources that are available for irrigated agriculture, in the future it will be necessary to produce more food with less water. More irrigated land is devoted to rice than any other crop. One method to save water in irrigated rice cultivation is the...Read more
Regional focus: 
South East Asia

Pedaling Out of Poverty: Social Impact of a Manual Irrigation Technology in South Asia

Published: 
January 1, 2000
U.S. Agency for International Development
This report reviews evidence from a variety of studies - designed to test claims and regarding treadle pump technology and concludes that it does self-select the poor, and can result in much higher crop yields.Read more
Regional focus: 
South East Asia

Bunds and Bugs in West Africa: Does Rice Irrigation Threaten Farmers' Health?

Published: 
January 1, 1999
U.S. Agency for International Development
Wetland water management and irrigation schemes are thought to make a vector borne disease endemic worse in West Africa. The development and promotion of wetland/irrigated rice cultivation has been restrained because of such health concerns. With rapidly growing consumer demand for rice, and the...Read more
Regional focus: 
Sub-Saharan Africa

Southern Zone Water Management (SZWM)

Published: 
November 1, 1996
U.S. Agency for International Development
Summarizes attached interim evaluation of a project to improve farmer utilization of water and agricultural recovery of fertile valley lands in the southern regions of Ziguinchor and Kolda, Senegal. The evaluation covered the period 1988-2/94. After a slow start, the project has begun to achieve...Read more
Regional focus: 
SenegalSub-Saharan Africa

Third Annual Program Review of Tunisia Private Participation in Environmental Services Program

Published: 
July 1, 1996
U.S. Agency for International Development
The purpose of this review is to provide decision makers in the Government of Tunisia and USAID/RHUDO with a review of the PPES program progress since its inception. This review focuses on activities since June 1995, which was the date of the second annual review. The third annual program reveiw...Read more
Regional focus: 
TunisiaMiddle East and North Africa

The Transition in the Contribution of Living Aquatic Resources to Food Security

Published: 
April 1, 1996
U.S. Agency for International Development
The world fish supply is becoming increasingly scarce, a transition that cannot be prevented by more intensive fishing but only ameliorated through improved management of fisheries resources, improved aquaculture production, better use of resources, and interventions to improve equity. These tasks...Read more
Regional focus: 
United States

Fishery Management Plan for the Traditional Kingfish Fishery in the Sultanate of Oman: Recommended Measures to Manage Kingfish

Published: 
March 1, 1996
U.S. Agency for International Development
This document amends the Fishery Management Plan for the Traditional Kingfish Fishery in the Sultanate of Oman to include sections on the measures recommended to attain the management objectives, the rationale for choosing the proposed management measures from among the alternatives considered, and...Read more
Regional focus: 
OmanMiddle East and North Africa

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