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

On - Farm Water Management Research in Chile: Efficient Use of Soil Moisture and Nitrogen for Increased Crop Production

Published: 
March 1, 1974
U.S. Agency for International Development
A project involving research and demonstration on modern concepts of irrigation management was conducted in the Aconcagua Province of Chile during three growing seasons, 1969 to 1972. The test crop was corn. Variables were soil moisture, nitrogen fertilizer, hybrid variety, and plant density. One...Read more
Regional focus: 
ChileLatin America and the Caribbean

Research Needs for on - Farm Water Management: Proceedings of an International Symposium, Park City, Utah

Published: 
March 1, 1974
U.S. Agency for International Development
The following areas of knowledge deficiency in the field of on-farm water management were identified by the Symposium: (1) Physiological responses of crops to environmental stresses, (2) optimal crop productivity relationships of water and other inputs; (3) methods for systematically transferring...Read more

Design of Irrigation Drop Structures

Published: 
March 1, 1974
U.S. Agency for International Development
The object of the study described herein was to examine the performance of various drop structures and to attempt formulating a generalized design procedure. The approach channel and flow characteristics throughout the length of the drop structures were reviewed on the basis of open channel...Read more
Regional focus: 
South East Asia

Forecasting Water Use in U.S. Irrigated Agriculture With Different Alternative Futures

Published: 
February 1, 1974
U.S. Agency for International Development
The results of the forecasting effort of the National Water Commission show both how (a) the economic demands for water in irrigated agriculture can be estimated and (b) how water use will be affected by policy decisions and the life styles of U.S. citizens. The importance of varying certain...Read more
Regional focus: 
United StatesNorth America

Moslem Water Law and Its Influence on Spanish Water Law and the Irrigation System of Valencia

Published: 
January 19, 1974
U.S. Agency for International Development
The influence of Moslem Water Law and the improved irrigation practices and techniques that accompanied the spread of Islam have had a remarkable and important impact on the Iberian peninsula, and in particular upon the irrigation system of Valencia. The system of water users association that...Read more
Regional focus: 
Europe and Central Asia

Progress Report III on the Brazil Aquaculture Project

Published: 
January 1, 1974
U.S. Agency for International Development
This is the third semi-annual report concerning the activities of the Auburn University Contract. The document serves as a progress update for the Brazil Aquaculture Project.Read more
Regional focus: 
BrazilLatin America and the Caribbean

Artisanal Fisheries in Costa Rica

Published: 
January 1, 1974
U.S. Agency for International Development
A SHORT, DESCRIPTIVE REPORT COVERING THE PHYSICAL FEATURES OF THE COSTA RICAN COAST; MARINE SPECIES UTILIZED; THE FISHERMEN; PRODUCTION; ARTISANAL FISHING METHODS; FISHING ORGANIZATIONS AND INSTITUTIONS; THE MARKETING AND DISTRIBUTION SECTOR; PLANS, PROGRAMS, AND GOVERNMENT INVOLVEMENT; AND THE...Read more
Regional focus: 
Costa RicaLatin America and the Caribbean

Economic Analysis of Alternate Irrigation Methods in El Salvador

Published: 
January 1, 1974
U.S. Agency for International Development
Irrigation is a relatively new factor in agriculture in El Salvador. In the past, the crops have been mainly produced during the rainy season (May-October). Because of the ideal climate, with irrigation, crops can be produced year round, and with this intent, the Ministry of Agriculture, (...Read more
Regional focus: 
El SalvadorLatin America and the Caribbean

Technical Assistance in Freshwater Fishery Development in Jamaica

Published: 
January 1, 1974
U.S. Agency for International Development
At the request of the Jamaican government, USAID/Jamaica provided for two weeks technical assistance in freshwater fisheries through the International Center for Aquaculture, Auburn University, Auburn, Alabama. The main objectives were to make a survey of the freshwater fishery resources and...Read more
Regional focus: 
JamaicaLatin America and the Caribbean

Potential Trout Production and Management of Lakes in Central and Southern Peru

Published: 
January 1, 1974
U.S. Agency for International Development
In response to a request by the Government of Peru and under the sponsorship of USAID, a study was conducted from August 26 to September 20, 1974 on the trout fisheries of the central and southern mountain lakes of Peru. The objectives were to provide the Ministry of Fisheries with recommendations...Read more
Regional focus: 
PeruLatin America and the Caribbean

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