Calling biochar a fertilizer is incorrect. It is a valuable soil amendment,
but it has no fertilizing value. We need to keep in mind that its
production is at the expense of any fertilizing value the raw material
might have had. In the case of chicken manure, that is considerable. Is the
nitrogen going into the air as NO2? If so, that would be turning a
potential fertilizer into a an air pollutant.
Joel
At 10:18 PM 8/13/09 -0400, you wrote:
http://biggreenboulder.com/environment/can-charring-chicken-poop-save-the-planet/
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