Acrisol + typical Amazon soil Infertile clay Charcoal = Terra Preta ? Charcoal Biochar Acrisol Biochar Scientific Advisory Committee International Biochar.
Bio-char
BIOCHAR PRIMER DAVID CLAY BY A NON EXPERT. Ethanol vs Biochar Biochar vs ethanol Biochar produces a variety of products – Oil, gas, tar, heat, CO2 – Stable.
Biochar - for Climate, Soils and Energy Ron Larson What Biochar is How to Produce Biochar Biochar's Impact on Climate and Soils Who is Opposing and Why.
is biochar a fertilizer?
