EXCELLENT 1 HOUR PRESENTATION ON BIOCHAR by Johannes Lehmann, Associate Professor of soil biogeochemistry at Cornell University ... Monte
StanfordUniversity — June 07, 2010 — (May 19, 2010) Johannes Lehmann, Associate Professor of soil biogeochemistry at Cornell University, discusses the characteristics of naturally occurring terra preta including its agricultural and carbon sequestering benefits and then turns to considering the factors involved with implementation industrial biochar systems for large-scale carbon sequestration and energy provision.
Jun 8, 2010
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