1. 2017-02-09 Through generous support from the Howard G. Buffett Foundation, ECHO completed a five-year (2010-2015) research project in Limpopo Province of South Africa. The central question addressed was “How can smallscale farmers in sub-Saharan Africa continue to produce food with limited resources for...
  2. 2013-07-20 ECHO Asia --The latest issue of Asia Notes (Issue 17, May 2013) contains the following articles: Sustainable Decentralized Water Treatment for Rural Developing Communities Using Locally Generated Biochar Adsorbents (by Josh Kearns, MS) An Introduction to Bokashi Fertilizers and Soil Amendments...
  3. 2010-07-20 Dan Hemenway wrote to us after reading EDN 106. “By the way, one reason why charred rice hulls may work well in potting mixes is that any form of charcoal improves the capacity of soil to hold nutrients and release them to plants.
  4. 2018-10-31 This article is from ECHO Asia Note # 36. Soil chemical, physical, and biological properties range from those highly favorable to plant growth to those highly unfavorable to plant growth. It is rare—especially in the tropics—to find a soil in its natural state in which all properties are highly...