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

Fisheries of Turkey

Publication date:
January 20, 1972
U.S. Agency for International Development
This report details the fishery and agricultural practices in Turkey. Specifically, the opportunities for more efficient fishery operations and potential new locations for fisheries which have not been used in the past.Read more
Regional/Country focus:
Turkey
Europe and Central Asia

Inland Fisheries Progress in Thailand 1971

Publication date:
January 15, 1972
U.S. Agency for International Development
This report identifies the progress on the fisheries program in Thailand in 1971 and the future opportunities to increase fish production even more. This includes evaluating the opportunities to improve fishery pond efficiency in both fresh and brackish water fisheries.Read more
Regional/Country focus:
Thailand
East Asia and Pacific

Economic Aspects of Irrigation from Ground Water

Publication date:
January 1, 1972
U.S. Agency for International Development
Typical examples of economic analysis of ground water development in Brazil are discussed, citing specific data for Bolivian conditions with conversion to Cruzeiro values, but without a detailed knowledge of commodity prices and costs in Brazil. Use of ground water can produce both irrigation and...Read more
Regional/Country focus:
Bolivia
Latin America and the Caribbean

New Anoptichthys Cave Population (Characidae, Pisces)

Publication date:
January 1, 1972
U.S. Agency for International Development
U.S. Department of the Interior
This report explores a new anoptichthys cave population as a result of a second hybridization between a true cave fish and the epigean ancestral form.Read more
Regional/Country focus:
Mexico

Aquaculture Developments in Peru

Publication date:
January 1, 1972
U.S. Agency for International Development
For an indefinite period beginning April 1, 1972, the inhabitants of the greater Lima area were unable to purchase red meat for the first 15 days of each month. In other cities in rural areas of Peru, people were unable to obtain beef two days each week. To compensate for the lack of beef, the...Read more
Regional/Country focus:
Peru
Latin America and the Caribbean

Estimation of Irrigation Requirement for Venezuela

Publication date:
January 1, 1972
U.S. Agency for International Development
Christiansen's formula was used to compute evaporation and potential evapotranspiration using 1013 months of data from 19 stations in Venezuela. Thirteen probability levels of precipitation were determined for each station. Potential irrigation requirements for 16 stations were computed based...Read more
Regional/Country focus:
Latin America and the Caribbean

Irrigation Requirements in Latin American Countries

Publication date:
January 1, 1972
U.S. Agency for International Development
A study on irrigation requirements in Latin American Countries. With increasing needs for the developments of their natural resources, many Latin American countries are placing increased emphasis upon irrigation and the evaluation of the availability of moisture requirements for agricultural...Read more
Regional/Country focus:
Latin America and the Caribbean

Irrigation Requirements for Turf

Publication date:
January 1, 1972
U.S. Agency for International Development
There is much over irrigation of turf. Some is unavoidable but significant savings of water can be had from a better understanding of the principles of scheduling irrigation. Irrigation scheduling is greatly facilitated by uniformity of soil depth and moisture storage capacity. This paper describes...Read more

Protein Requirements of Cage - Cultured Channel Catfish

Publication date:
January 1, 1972
U.S. Agency for International Development
Twenty suspended 1-mE3 cages were each stocked with 300 five- to six-inch channel catfish fingerlings to allow for the evaluation of five feeding regimens, each replicated four times. The experiment began April 15 and terminated October 21, providing for a 180-day feeding period. The daily feeding...Read more

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