នេះ Collection មិន​មាន​ក្នុង​ភាសា​របស់​អ្នក, មើល​ក្នុង: English (en),
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  1. ធនធានសំខាន់ 01 មករា 1997 Thiscomprehensiveandwell-illustrated presentation of India’s ancient water-harvesting systems highlights their potential for contributing to contemporary India’s development, especially with regard to irrigation and drinking water supply. It explains how the water-harvesting systems used in rural...
  2. 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.
  3. ធនធានសំខាន់ 01 មករា 1999 This book provides a state-of-the-art review of practice in the collection of rainwater. It presents case studies with numerous examples from around the world which will help anyone intending to design or construct a rainwater catchment system. The prime focus of the book is on implementation of...
  4. ធនធានសំខាន់ 01 មករា 2013 The award-winningRainwater Harvesting for Drylands and Beyond, Volume 1, 2nd Edition: Guiding Principles to Welcome Rain into Your Life and Landscape, is the first book in a three-volume guide that teaches you how to conceptualize, design, and implement sustainable water-harvesting systems for...
  5. ធនធានសំខាន់ 01 មករា 2010 2 Copies Turn water scarcity into water abundance! Earthworks are one of the easiest, least expensive, and most effective ways of passively harvesting and conserving multiple sources of water in the soil. Associated vegetation then pumps the harvested water back out in the form of beauty, food,...
  6. ធនធានសំខាន់ 21 សីហា 2009 Most water and sanitation facilities used by households or operated by small-scale enterprises were built without external support. This shows there are alternatives to the large centralized conventional systems. More importantly, small-scale solutions have proven to be cost effective....
  7. 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...
  8. ធនធានសំខាន់ 01 មករា 2007 This do-it-yourself guide is an invaluable resource for designing, building, and maintaining water tanks, cisterns, and ponds, and sustainably managing groundwater storage. It will assist you with handling your independent water system, fire protection setup, and disaster preparedness plan, while...
  9. ធនធានសំខាន់ 01 មិនា 1992 Water is everywhere - its physics and chemistry, rain, evaporation, infiltration, underground, the intimate relationship between life and water, and other natural phenomena. Its effects and applications need to be understood: run-off, erosion, soil drainage and irrigation. These comprise the main...

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