Nice academic introduction to biochar from Dr. David Laird.

Biochar: an Introduction to an Industry from CenUSA Bioenergy on Vimeo.

Dr. David Laird gives us an introduction to biochar, and research being done by CenUSA to investigate it's potential for use as a soil amendment.
Video filmed by Kelsey Lee, edited by Dylan VanBoxtel.
Find out more about Cen USA: http://cenusa.iastate.edu

CenUSA Bioenergy is supported by Agriculture and Food Research Initiative Competitive Grant no. 2011-68005-30411 from the USDA National Institute of Food and Agriculture.