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54 items found (Showing 1 - 10)
  1. 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...  
  2. Key Resource 2002-01-01 Seed storage is often a problem in the tropics. However, if seeds can be properly dried, they will remain viable for a longer period of time. The seed drying cabinet described here can help improve the viability of seeds in storage. What's Inside: Introduction Description Diagram Observations ...  
  3. 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...  
  4. Key Resource 2001-01-01 Often the biggest challenge faced by a tropical farmer is not in the production of a crop but rather in the preservation of the crop. Farmers may want to preserve a crop for future consumption or for sale at a time when the market will offer a higher price. Using a solar dehydrator is a simple,...  
  5. Inspired by our Regional Impact Center in East Africa, ECHO first hosted an Appropriate Technology Fair at our annual International Agriculture Conference in 2019, featuring over 20 different technologies. Our delegates explored and interacted with these tools, expanding possibilities. In keeping...  
  6. 1981-12-19 This is a question we have been asking for some time. The idea is to prepare pellets using an appropriate technology pelletizer, using waste biomass or charcoal made from it. We do not have much to report at this time except that an engineer has designed and is making a simple pelletizer for us....  
  7. 2010-10-20 Photos of the modified seed dryer described in EDN 109  
  8. 2011-07-20 We share many ideas in EDN for agricultural techniques that can increase crop production. Higher production translates into more food and potentially more income; this is very important, especially for farmers whose livelihood comes from a small piece of land.Another way to increase food supply...  
  9. 2020-12-14 Featured in this AN The Martinez Airlift Water Pump Do All Parts of the Chaya Plant Contain Cyanide? Cyantesmo Paper for Detecting Cyanide Job Opportunity at ECHO Asia  
  10. 2006-01-01 The A-Frame Level is a simple, yet accurate tool used for constructing contours on a hillside or slope. It is useful in the basic construction of hillside farming systems, such as the SALT systems, as well as for establishing level contours and drainage ditches. Level contours on a slope reduce...