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12 items found (Showing 1 - 10)
  1. 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...  
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  4. 2017-03-30 Making Silage in Vichada Tech Note Spotlight: Biosand Water Filter Echoes from our Network: Member Highlight Adria and Job From ECHO's Technical Respose Team: Appropriate forage crops for clay soils From ECHO's Seed Bank: Forage peanut  
  5. 2010-04-01 https://www.echocommunity.org/resources/eb967d93-10ff-4c3d-a238-86ac0382bd68ECHO has considered how our resources can be most helpful in light of the recent devastating earthquake near Port Au Prince, Haiti. Our main strength is in the area of agricultural information relevant to development...  
  6. 2017-02-08  
  7. 2014-10-28 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...  
  8. 2017-05-23 This instruction manual is for the concrete tank water filtration system producing up to 2,000liters of water per day.  
  9. 2017-05-23 This instruction manual is for the "blue barrel" water filtration system producing up to 300 liters of water per day.  
  10. Meribah Ram Pump, based in Thailand, offers appropriate technology products (ram pumps and bio sand water filters) and related expertise. A downloads page,on Meribah’s website offers plans and other information related to building and installing ram pumps and bio sand water filters.