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
Irrigation Requirements in Latin American Countries
Published:
January 1, 1972U.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
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Latin America and the CaribbeanIrrigation Requirements for Turf
Published:
January 1, 1972U.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
Sub-Irrigation in the Zapotitan Project
Published:
October 1, 1971U.S. Agency for International Development
Studies were made to determine the feasibility of Sub-Irrigation in the lower portions of the Zapotitan Valley. The report suggests sub-irrigation as a possibility for some of the areas within the valley.Read more
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El SalvadorLatin America and the CaribbeanComparative Study of Well Irrigation in Aligarh District, India
Published:
May 1, 1971U.S. Agency for International Development
The use of new technology in Indian agriculture has resulted in increased use of fertilizer and water. The major objectives of this study are: 1) estimate returns to water use at difference levels of application and under varying farm operating conditions; 2) to analyze differences in cropping...Read more
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IndiaSouth East AsiaRequirements for Irrigation of Sugar Cane, Santa Cruz, Bolivia
Published:
January 1, 1971U.S. Agency for International Development
This study is presented in order that a proposed irrigation development in the vicinity of Santa Cruz may be further evaluated. It has been proposed that an important area of sugar cane be irrigated from wells to be developed using groundwater. In order to define the feasibility of the proposed...Read more
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BoliviaLatin America and the CaribbeanIrrigation Requirements and Climatic Evaluations for Venezuela
Published:
January 1, 1971U.S. Agency for International Development
A study on irrigation requirements and climatic evaluations for Venezuela. With increasing agricultural and natural resource development in Venezuela there is a correspondingly greater need for evaluating irrigation requirements for use in planning, design and in project operations and for a better...Read more
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Latin America and the CaribbeanDigestibility of Nutrients in Semi-Purified Rations By Channel Catfish in Stainless Steel Troughs
Published:
January 1, 1971U.S. Agency for International Development
The digestibility of nutrients in six semi-purified rations containing variable levels of protein, cellulose and starch by channel catfish in troughs was evaluated by using chromium oxide as an inert reference in the feeds. Excreta were collected using an indirect trough collection method and a...Read more
Report to the Government of India on Design Criteria Construction Guide, and Material Standards for Irrigation Pipelines
Published:
May 1, 1970U.S. Agency for International Development
this report documents the findings and recommendations of the author who was engaged as a consultant to USAID and the government of India for a four-month period to determine what is being done in the sphere of irrigation pipelines and to appraise and make recommendations for improvement. The...Read more
Regional focus:
IndiaSouth East AsiaTubewell Irrigation in the Punjab
Published:
January 1, 1970U.S. Agency for International Development
the purpose of this paper is to estimate the time required to irrigate an acre of land with varying tube well installations in India. This is done by estimating the brake horsepower required by various tube well installation under varying conditions of soil seepage, varying size of pipes and...Read more
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IndiaSouth East AsiaFishing Success for Channel Catfish and White Catfish in Ponds With Daily Feeding
Published:
January 1, 1969U.S. Agency for International Development
Channel and white catfish fingerlings, stocked in ponds with large' mouth bass at densities of 2,000 to 3,000 catfish per acre separately or in combination and given daily feeding have continued to provide excellent sport fishing. Four-inch fingerling catfish stocked by February and given...Read more
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