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  1. 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
  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. 2018-02-06 Speaker Bio: Manny Asprec is the Director and co-founder of SEED Project - Asia. Manny and his family lived in Nepal for a number of years where he used the bio-sand water filter to have safe water for the family. Also, he helped introduced F.A.I.T.H. [Food Always In The Home] gardening as a tool...
  4. 2017-11-16 Traditional water treatment using moringa seeds only removes 90 – 99% of pathogens while allowing fouling of the water over time.Over the past seven years Dr. Velegol’s research group has created an innovative and sustainable process that solves these two problems.When crushed seeds are added to...
  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. One billion people lack safe drinking water. Every day they risk their lives and health by drinking from contaminated sources: they are missing out on a basic human right. Here the biosand filter can make a difference, providing safe drinking water, right where it’s needed most: at household...
  7. 2014-10-20
  8. Traditional water treatment using moringa seeds only removes 90 – 99% of pathogens while allowing fouling of the water over time.Over the past seven years Dr. Velegol’s research group has created an innovative and sustainable process that solves these two problems.When crushed seeds are added to...
  9. AbstractEnvironmental Science & Technology Letters, 2017 The purpose of this work is to determine parameters for the design of aMoringaseed sand filter for water purification.Moringa oleiferaseeds containing cationic antimicrobial proteins have been used as natural coagulants for the removal...