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

Progress Report on Fisheries Development in Northeastern Brazil. I: Aquaculture

Published: 
August 1, 1972
U.S. Agency for International Development
The United States Agency for International Development has been providing assistance to the Government of Brazil in freshwater fisheries since 1966. The project goal established for this assistance to create a freshwater fisheries group capable of planning and conducting practical research programs...Read more
Regional focus: 
BrazilLatin America and the Caribbean

Irrigation Analysis for Selected Crops, Santa Cruz, Bolivia

Published: 
July 1, 1972
U.S. Agency for International Development
The principal area covered by this study consists of the plains between the Rio Grande and the Rio Piray north of latitude 18 15'S with some consideration in the north to the area between the Rio Piray and the Rio Yapacani. Within this study area agricultural development offers a large...Read more
Regional focus: 
BoliviaLatin America and the Caribbean

Lake Nicaragua Fisheries Survey

Published: 
June 15, 1972
U.S. Agency for International Development
In response to a request by the National Development Institute of Nicaragua (INFONAC), a fishery survey under the sponsorship of USAID/Nicaragua was conducted from February 28 to March 17, 1972, on Lake Nicaragua. The objectives of this survey were to assess the economic potential of the fishery...Read more
Regional focus: 
Latin America and the Caribbean

Irrigation Requirements and Water Balance, Arenal Proposed Project, Costa Rica

Published: 
June 1, 1972
U.S. Agency for International Development
ICE has completed a preliminary study for the construction of a dam and reservoir on the Rio Arenal. The principal purpose is the production of electrical energy. Construction of this power facility will make available an adequate supply of irrigation for a large area of agricultural lands in...Read more
Regional focus: 
Costa RicaLatin America and the Caribbean

Needs and Requirements for Irrigation, Comayagua and Vicinity, Honduras

Published: 
June 1, 1972
U.S. Agency for International Development
The valley areas in the vicinity of Comayagua and Siuatepeque offer considerable potential for agricultural development. Irrigation facilities have been constructed capable of delivering irrigation water to areas for more extensive than those currently irrigated. An analysis is made of the adequacy...Read more
Regional focus: 
HondurasLatin America and the Caribbean

Steady and Unsteady Flow of Fresh Water in Saline Aquifers

Published: 
June 1, 1972
U.S. Agency for International DevelopmentColorado State University
Problems of flow involving fresh water overlying saline water in aquifers and methods for their analysis are reviewed. Equations amenable to mathematical solution generally involve the idealization of treating the fresh water as a distinct zone separated from the underlying saline water by a sharp...Read more

Irrigation Projects in Guatemala, Observations and Recommendations

Published: 
May 1, 1972
U.S. Agency for International Development
This study is a result of an official request from the Guatemalan Government through USAID/Guatemala and AID/Washington to Utah State University for Technical Assistance in Drainage and Irrigation. The following plan of work was suggested: (A) Evaluate actual drainage and salinization problem in...Read more
Regional focus: 
GuatemalaLatin America and the Caribbean

Development of Tubewell Irrigation in Bangladesh: An Analysis of Alternatives

Published: 
February 1, 1972
U.S. Agency for International Development
Facilities for irrigation would permit substantial increases of agricultural production in Bangladesh. Only with irrigation as a boro crop in the six-month dry season possible. With its continual sunshine and the absence of recurring floods and storms that damage crops in other seasons, this period...Read more
Regional focus: 
South East Asia

Aquacultural Survey in Japan

Published: 
February 1, 1972
U.S. Agency for International Development
The purpose of this survey was to assess the value of Japan's aquacultural methods in terms of direct or indirect application in other countries, and to evaluate present and future status of aquacultures in Japan. The aquacultures discussed are: Ayu, Japanese eel, Yellowtail, Japanese oyster,...Read more
Regional focus: 
JapanEast Asia and Pacific

Relationship of Thai Fish Culture Program to Production of Fish in the Lower Mekong Area

Published: 
February 1, 1972
U.S. Agency for International Development
Research by Thailand Department of Fisheries Stations and Research Units has developed cultures for use in hatcheries, rice fields, ponds, cages, pens and irrigation ditches that can be utilized in rapid expansion of fish production as irrigation water is made widely available from Mekong...Read more
Regional focus: 
ThailandEast Asia and Pacific

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