1. 20/04/2004 Terra preta is very productive soil with long-lasting fertility—unusual in the tropics, where most soils are very weathered, highly acidic, and low in organic matter and essential nutrients. The key to terra preta soils long-term fertility seems to be charcoal; terra preta contains up to 70 times...
  2. 09/02/2017
  3. 09/02/2017
  4. 06/10/2015
  5. 20/12/2010
  6. 23/06/2014 Amazon Description : Biochar is the carbon-rich organic matter that remains after heating biomass under minimization of oxygen during a process called pyrolysis. Its relevance to deforestation, agricultural resilience, and energy production, particularly in developing countries, makes it an...
  7. 03/03/2017 Amazon Description: Interest in biochar among soil and environment researchers has increased dramatically over the past decade. Biochar initially attracted attention for its potential to improve soil fertility and to uncouple the carbon cycle, by storing carbon from the atmosphere in a form that...
  8. 23/05/2017 An introduction to biochar What it is What it does How to use it!
  9. 23/05/2017 An introduction on how to make biochar.
  10. 23/05/2017 This instruction manual is for the "blue barrel" water filtration system producing up to 300 liters of water per day.