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

Design and Plan for an Aquaculture Research Center in Colombia

Published: 
July 30, 1974
U.S. Agency for International Development
The site near Repelon appears to be suitable for development of an aquaculture research center based upon the following three basic requirements for a good fish culture station. 1. Soil has adequate clay content to allow construction of earthen ponds with a minimal amount of water seepage providing...Read more
Regional focus: 
ColombiaLatin America and the Caribbean

Fish Pond Site Selection, Mid-Western State, Nigeria

Published: 
July 19, 1974
U.S. Agency for International Development
Fish ponds must be in area of impervious, or relatively impervious soils. Technicians visited a number of sites in Nigeria to provide insight into site selection. To be very effective, fish ponds should be at such an elevation that they may be completely drained in order to effect total harvest,...Read more
Regional focus: 
NigeriaSub-Saharan Africa

Fishes of the Lao Mekong Basin

Published: 
July 1, 1974
U.S. Agency for International Development
The present work is based primarily on a collection of fishes made in Laos by the author in the year 1970-1971 as a part of the fisheries development project sponsored by U.S. AID Mission to Laos, and to a lesser extent on a collection made there by the author in 1969. All species derived from...Read more
Regional focus: 
LaosEast Asia and Pacific

Demand and Supply Potentials for South Vietnam's Fishery Industry

Published: 
July 1, 1974
U.S. Agency for International Development
This research is part of a series of expert opportunity analyses conducted by USDA in cooperation with the USAID Mission/Vietnam and the Vietnamese Ministry of Agriculture; other analyses studied South Vietnam's timber, agricultural crops, and livestock industries. The report which follows...Read more
Regional focus: 
VietnamEast Asia and Pacific

Moisture Availability and Crop Production

Published: 
June 26, 1974
U.S. Agency for International Development
Within rapidly developing economies there is increasing demand for better planning for the use of resources for agricultural production. Planned agricultural development depends upon a variety of resources and conditions including soils, climate, land use history, management and cultural practices...Read more
Regional focus: 
Latin America and the Caribbean

Evaluation Study of the Nam Tan Irrigation Project, Sayaboury Province, Laos

Published: 
May 1, 1974
U.S. Agency for International Development
The purpose of this report is to provide an evaluation study of the irrigation development of 2,200 hectares of irrigable land and make recommendations for the best development possibility of the project.Read more
Regional focus: 
LaosEast Asia and Pacific

International Center for Aquaculture - 211(D) Grant to Auburn University

Published: 
May 1, 1974
U.S. Agency for International Development
This document outlines the grant between Auburn University (AU) in the U.S. and the U.S. Agency for International Development (USAID). Specifically the grant described Auburn's capability to provide training and technical assistance to LDC's in the field of aquaculture development...Read more

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

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