Michael Wittman demonstrates how to make your own biochar in a prototype cone kiln in January 2014 at a community garden in Simi Valley, California.
Негізгі бет BlueSky Biochar Cone Kiln 2014
Michael Wittman demonstrates how to make your own biochar in a prototype cone kiln in January 2014 at a community garden in Simi Valley, California.
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