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  1. 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...
  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 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...
  5. This article is from ECHO Asia Note #3 Rugged northeastern Myanmar is home to the Lahu, Shan, Akha, Palaung and various other ethnic groups. With few paved roads and only a small percentage of the Shan State's population connected to the electrical grid, infrastructure serving the locals is still...
  6. 2002-01-01 This simple forage cutter provides a mechanism to chop tough grasses or other forages to make them more palatable and digestible for livestock. This results in more efficient food conversion for animals and reduced wastage. It can also be used to chop materials for compost, silage, vermiculture,...
  7. 2000-01-01 Briquettes made from materials that cost little or no money to obtain, such as old newspaper or unutilized plant waste, can be a cost-effective alternate fuel to charcoal or firewood. This could alleviate the harsh pressures put on many forests for providing enough fuel energy to meet people’s...
  8. 2020-10-16 On September 3, 2020, ECHO held its first virtual Appropriate Technology (AT) Fair. As this year has brought many challenges for in-person gatherings, we were grateful for all who took advantage of the shift towards virtual gatherings and participated in this event. It was an enriching time for...
  9. 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...
  10. 1986-01-01 This book is a catalogue of information that supports the activities of village workers all over Papua New Guinea.