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
Institutional Framework for Improved on - Farm Water Management in Pakistan
Published:
January 1, 1976U.S. Agency for International DevelopmentColorado State University
Sufficient data has been collected and analyzed to define some of the major irrigation water management problems in Pakistan, as well as the technologies that could be employed to correct many of these problems. Thus, there is a strong basis for undertaking a program of improved on-farm water...Read more
Regional focus:
PakistanSouth East AsiaEast African Fisheries Research
Published:
May 29, 1975U.S. Agency for International Development
GRANT, TECH ADVISORY ASSISTANCE ARE PROVIDED TO EAST AFRICA FRESHWATER FISHERIES ORGANIZATION (EAFFRO) TO DEVELOP CAPABILITY TO CONDUCT FISHSTOCK RESEARCH ON CONTINUING & INDEPENDENT BASIS. EAFFRO RESEARCH PROVIDES INFORMATION DATA BASE PERMITTING MEMBER STATES (KENYA, TANZANIA & UGANDA) TO...Read more
Report on Fish Culture Activities in the Lower Sao Francisco Valley, Brazil
Published:
December 2, 1974U.S. Agency for International Development
The fish culture practices applied in the lower Sao Francisco River Valley are described. The principal species cultivated is "curimata paou", Proohilodus argenteus, although t'piau verdadeiro", Leporinus piau, and 'mandf amarelo", Pimelodus olariast are also farmed...Read more
Regional focus:
BrazilLatin America and the CaribbeanResearch Needs for on - Farm Water Management: Proceedings of an International Symposium, Park City, Utah
Published:
March 1, 1974U.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
Notes on the Propagation of Chinese Carps in Arkansas
Published:
January 1, 1974U.S. Agency for International Development
This document presents notes on the propagation of Chineese Carps in Arkansas. The purpose of such propagation which involves four different species of carp, is to provide abundant fingerlings for use in weed control in ponds, lakes and canals where fishes are raised for sport and water utilized...Read more
Program for Computing Equilibrium Solution Composition in Caco (,3) and Caso (,4) Systems from Irrigation Water Compositions
Published:
October 1, 1973U.S. Agency for International DevelopmentColorado State University
A computer program was developed to calculate equilibrium solution compositions in calcareous and gypsiferous systems. The calculations in the program are based upon published solubility products of calcite and gypsum and take into account ion-pair formation and the solubility enhancement of...Read more
Lake Izabal Fisheries Survey
Published:
September 5, 1973U.S. Agency for International Development
In response to a request by the Government of Guatemala and under the sponsorship of USAID, a pre-feasibility fishery survey was conducted from June 11 to 22, 1973, on the Lake Izabal, Rio Dulce, El Golfete system. The objectives were to provide the Ministry of Agriculture with recommendations for...Read more
Regional focus:
GuatemalaLatin America and the CaribbeanTrickle Irrigation Soil Water Potential as Influenced By Management of Highly Saline Water
Published:
July 19, 1973U.S. Agency for International Development
Although trickle irrigation offers the possibility of obtaining comparatively good yields when nontoxic highly saline water is used for irrigation, the subsequent accumulation of salts in the root zone is a potential hazard that should not be disregarded. The objective of this investigation was to...Read more
Plan for a Surface Irrigation System for the Taboga Exp. Station, Costa Rica
Published:
April 1, 1973U.S. Agency for International Development
This report is based on a brief trip to Costa Rica by J.E. Christiansen and Rex F. Nielson to provide technical assistance in the planning of an irrigation and drainage system for the Taboga Experimental Station in the Province of Guanacaste. A three-day visit was made to the area, and shorter...Read more
Regional focus:
Costa RicaLatin America and the CaribbeanArtificial Spawning of Mullet and Culture of Mullet and Milkfish in Taiwan
Published:
March 1, 1973U.S. Agency for International Development
This publication looks at artificial spawning of mullet and culture of mullet and milkfish in Taiwan. Taiwan is advanced in various aquacultures. Its fish farmers are especially noted for their cultures of milkfish in brackish water and poly-cultures of Chinese carps in fresh water. Its research...Read more
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