Bio-Char with David Yarrow

Author: 
Erin Rasmussen

created by Media Sanctuary, Summer, 2011

great explanation of biochar and how it works in the soil

Bio-char with David Yarrow from mediasanctuary on Vimeo.

or view it on their web site:
http://www.mediasanctuary.tv/video/471/bio-char-with-david-yarrow