GEO NEWS
GEOECOLOGY ENERGY ORGANISATION [GEO]
GEO Publications
Wednesday, April 15, 2009
Biochar overview
....an Indian researcher, Dr. Sai Bhaskar Reddy Nakka, has been experimenting with using clay pots full of charcoal as urinals...
by kirahagen
http://nrmlimits.com/?q=node/2
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