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38 items found (Showing 1 - 10)
  1. Key Resource 2011-01-01 A sand dam is a reinforced concrete wall built across a seasonal river to hold underground water in sand (see above photo of Nzaaya Muisyo sand dam, Eastern province, Kenya). It is initially built one meter high and up to 90 meters across. During the heavy and erratic seasonal rains, the water...  
  2. Key Resource 2001-01-01 Access to clean drinking water remains one of the greatest challenges in the world. The BioSand Filter is one method that can be used for purifying water at the household level. With this filter, contaminated water is filtered through a natural biological layer and then layers of sand, pebbles...  
  3. 1999-03-19 Three programs in Honduras have been looking for ways that poor hillside farmers can capture rainwater in their own fields and hold it there for two or three months. This water could then be used for supplemental irrigation during droughts or for extending the cropping season into the dry season....  
  4. Key Resource 2010-01-01 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,...  
  5. Key Resource 2016-02-05 Until recently, firewood was taken for granted in northern Thailand. With vast forests full of many types of trees, upland households could afford to be choosy concerning the wood they used for cooking. However, in recent years, more and more communities are facing restricted access to forest...  
  6. 2011-04-20 A sand dam provides a low-cost, low-tech and low maintenance water point with large payback in easily accessible water year round. Community ownership and involvement is integral in the introduction of a sand dam.  
  7. 1993-07-19 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...  
  8. The water harvesting techniques described are particularly useful in arid and sem-arid areas, but the techniques described for soil moisture conservation are also of use in sub-humid regions.2 Copies of FIrst Edition, 1 Copy of 2nd Edition  
  9. Key Resource Sustainable Agriculture covers a wide range of topics: soil and water conservation, using organic matter to sustain soil fertility, pest management, cropping systems, livestock management, and many others. For agriculture to be sustainable, it must take into account not only the physical...  
  10. Dobasare not water harvesting structures or reservoirs, and our ancestors have never thought of them in that way. Instead, they are outcomes of the clay material preparation process, within homesteads, used in mud house building on a family’s land. Millions of Dobas - a water harvesting structure...