The EcoTechnologies Group, having become smitten with the powerful promise of biochar, the pyrolysis technologies that create it and its potentials for sustainable agriculture, traveled to Northern Brazil to see the original biochar, called Terra Preta, in action. The journey would become more than expected, and what I would see would convince me of those professed potentials.
A DV camera first hand experience.
We have all read and heard about Terra Preta; now we have a great video experience seeing it... Monte
Dec 21, 2010
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