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 and Non-Irrigation Alternatives for Reducing Sugar Cane Transportation Costs in Santa Cruz, Bolivia

Publication date:
June 1, 1973
U.S. Agency for International Development
The purpose of the study was to investigate possible cost-reducing options for sugar cane transportation in Santa Cruz. Physical factors and costs involved in the production of cane, transportation costs, locations and distances of growers from mills, and volume of cane transported constitute the...Read more
Regional/Country focus:
Bolivia
Latin America and the Caribbean

Amino Acid Composition of Freshwater Algae

Publication date:
June 1, 1973
U.S. Agency for International Development
The protein content of 13 species of freshwater algae ranged from 10.50 to 46.35 g/100 g dry wt. Proportions of individual amino acids in the protein of the different species were remarkably similar. Differences in protein content will influence the efficiency with which algal tissues are utilized...Read more

Vitamin C and Crooked Back Disease

Publication date:
May 1, 1973
U.S. Agency for International Development
On many occasions in recent years -- since commercial catfish culture has become an important endeavor -- fish disease personnel at Auburn University and at other research and diagnostic laboratories have examined catfish which showed disease symptoms without signs of disease-causing organisms. The...Read more

Optimum Utilization of Water Resources for Agriculture With Special Emphasis on Systems Analysis of Watershed Management; Annual Technical Report 1971/1972

Publication date:
April 17, 1973
U.S. Agency for International Development
As a member of a consortium of U.S. universities dedicated to providing assistance for increasing world food production through optimum utilization of water resources for agriculture, the University of Arizona has concentrated its activities on those concerned with the source of the water supply...Read more

Plan for a Surface Irrigation System for the Taboga Exp. Station, Costa Rica

Publication date:
April 1, 1973
U.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/Country focus:
Costa Rica
Latin America and the Caribbean

Some Prospects for Aquatic Weed Management in Guyana

Publication date:
March 1, 1973
U.S. Agency for International Development
Summary of a workshop on the Management and Utilization of Aquatic Plants to formulate recommendations addressed to one of Guyana's critical problems - weeds that infest waterways. The workshop was charged with developing recommendations for implementation by local authorities to deal with the...Read more
Regional/Country focus:
Guyana
Latin America and the Caribbean

Irrigation Practices Seminars 1956-1970, an Evaluation

Publication date:
March 1, 1973
U.S. Agency for International Development
Some progress ahs been made on the development of institutions and people so that substantial improvement has been realized, water management on the farm-including irrigation practices-remains a bottleneck to increased agricultural production in most developing countries. There are three arenas of...Read more

Artificial Spawning of Mullet and Culture of Mullet and Milkfish in Taiwan

Publication date:
March 1, 1973
U.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

Length - Weight Relationships of Freshwater Fishes of Thailand

Publication date:
February 1, 1973
U.S. Agency for International Development
Length-Weight data on fishes are useful to biologists for a variety of purposes. The data presented are especially valuable because they are derived from measurements of fishes taken from lakes, swamps, and reservoirs in major river systems throughout Thailand over an extended period of time. Since...Read more
Regional/Country focus:
Thailand
East Asia and Pacific

Inland Fisheries Progress in Thailand 1972

Publication date:
January 15, 1973
U.S. Agency for International Development
The report recommends: greater responsibility for the Research Review Committee of the Inland Fisheries Division, effective cultural systems for the major food fishes, designing future production research, less emphasis on learning to spawn new species with pituitary injection, increased pelleted...Read more
Regional/Country focus:
Thailand
East Asia and Pacific

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