ធនធាន ដាក់ស្លាក: Water Lifting
10 items found (Showing 1 - 10)
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Report of the Expert Consultation of the Asian Network on Water Lifting Devices for Irrigation, Bangkok, Thailand 27 Sept. - 1 Oct. 1993 The Expert Consultaion of Asian Network on Water Lifting Devices for Irrigation concluded that in the Asia-Pacific region, "Strategy on investment for irriation...
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01 មករា 1992 This manual has been developed primarily for small-scale irrigated "microsystems," which are usually characterized as single-source/single-user systems. It is targeted primarily at extension and agricultural service agents, and PVO/NGO personnel, who are involved in the development, design,...
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ធនធានសំខាន់ 01 មករា 2010 The purpose of this document is to show several water pump designs constructed from PVC pipe, explain how to manufacture them, and discuss pump performance and how to improve on these designs. What’s Inside: Pump Design Manufacturing Process Pump Performance Appendix
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19 កក្កដា 1993 Wayne DeYoung in Haiti writes about a pump that he is sure will interest ournetwork. It was used in a water well project by Dan Cook and others in Haiti. Wayne believes that it has phenomenal value for many gardening situations along rivers or ponds or where a hand dug well is available. His...
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ធនធានសំខាន់ 01 ធ្នូ 1989 Shows how to make a simple, cheap, pump suitable for small-holding and garden use, a pump which can raise water from rivers or wells, with lifts of up to 30 metres. A simple clear text, with line drawings, showing how common materials can be used. 27 pages, illustrated.
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01 ធ្នូ 1997 Efficient and effective irrigation of the land can have a dramatic effect on the agricultural output and economic well-being of a community. The smallholdings, defined in this book as up to 25 hectares (60 acres), can be the source of a significant proportion of a country's food production.At the...
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This section includes wells, boreholes, handpumps, animal powered pumps, and renewable energy powered pumps.
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Abstract, Technology in Society, 2018 Adoption of new agricultural technologies is always at the center of policy interest in developing countries. In reality, despite the visible benefits of many of the new agricultural technologies, including machinery and management practices, farmers either...
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This paper in effect replaces the excellent, but now long out of print booklet, entitled "Water Lifting Devices for Irrigation", by Aldert Molenaar, published by FAO as long ago as 1956 [1]. Since that time, little more than one generation ago, the human population has almost doubled. In the same...
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Abstract, Water, 2015 The evolution of the major achievements in water lifting devices with emphasis on the major technologies over the centuries is presented and discussed. Valuable insights into ancient water lifting technologies with their apparent characteristics of durability, adaptability,...