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
Comparative 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
Regional focus:
IndiaSouth East AsiaCheck - Drop - Energy Dissipator Structures in Irrigation Systems
Published:
May 1, 1971U.S. Agency for International DevelopmentColorado State University
There is a large volume of available literature regarding small energy dissipator structures. Existing publications present basic information for particular types of structures. This information has been compiled in order to present present-day available design information. Also, research topics...Read more
Inland Fisheries Progress in Thailand 1970
Published:
February 15, 1971U.S. Agency for International Development
This report identifies the progress on the fisheries program in Thailand in 1970 and the future opportunities to increase fish production even more. This includes evaluating different fish species and identifying the important ingredients for highly productive fish culture feeds.Read more
Regional focus:
ThailandEast Asia and PacificRequirements 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
Regional focus:
BoliviaLatin America and the CaribbeanDevelopment of Color Pattern in Pond - Reared Young of Five Micropterus Species of Southeastern Us
Published:
January 1, 1971U.S. Agency for International Development
Six stocks of Southeastern Micropterus were spawned in earthen ponds, including wild-caught adults of M. coosae (Alabama and Apalachicola races), M. p. punctulatus, M. punctulatus henshalli, and M. notius, and hatchery stock of M. dolomieui. Fry were reared in earthen ponds provided with Pimephales...Read more
Regional focus:
United StatesNorth AmericaFish Behavior and Its Use in the Capture and Culture of Fishes
Published:
January 1, 1971U.S. Agency for International Development
The commercial aquaculture or fish farm shows great promise as a source of low cost, high quality protein. However, as few reliable data on costs and returns to the industry exist, before investment decisions are made, certain critical factors such as water quality, species selection, and...Read more
Regional focus:
United StatesNorth AmericaThe Potential for Fishery Development in the Caribbean and Adjacent Seas
Published:
January 1, 1971U.S. Agency for International Development
This report begins with a brief geographical and political history of the area and then discusses at greater length the various kinds and characteristics of fish in the Caribbean. The best source of information about the fish resources of the Caribbean has been the extensive investigations of the...Read more
Regional focus:
United StatesNorth AmericaIrrigation 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
Regional focus:
Latin America and the CaribbeanOptimum Utilization of Water Resources for Agriculture With Special Emphasis on Systems Analysis of Watershed Management; Annual Technical Report 1970/1971
Published:
January 1, 1971U.S. Agency for International Development
Strengthening the University of Arizona's competency in the area of watershed management utilizing systems analysis techniques applied to problems of less developed countries has taken several forms. The addition and revision of pertinent course curricula, the analyses of research programs...Read more
Effect of Vitamin Fortification in Auburn No. 2 Fish Feed
Published:
January 1, 1971U.S. Agency for International Development
Vitamin fortification of the Auburn No. 2 pelleted fish feed increased net production of channel catfish an average of 19.3 percent in feeding test conducted in replicated earthen ponds between April 13 and November 9, 1970. A stocking density of 4,000 fingerlings acre was used and the fish were...Read more
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