USA

Energy & Agricultural Carbon Utilization: Sustainable Alternatives to Sequestration
University of Georgia, Athens, Georgia, June 10-11, 2004

Oral Presentations
http://www.eprida.com/eacu/orals.htm

Discovery and Awareness of Anthropogenic Amazonian Dark Earths (Terra Preta)
Bill Denevan - Prof. Emeritus, University of Wisconsin at Madison, Madison, WI USA

Explorations of Pre-Columbian Agricultural Landscapes in the Amazon
Clark Erickson - Associate Professor of Anthropology, University of Pennsylvania, Philadelphia, PA USA

The Secrets of Making Terra Preta Soils

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