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136 bytes added, 04:32, 25 January 2015
== Criticism ==
Critics are concerned that large-scale biochar production may increase deforestationand pollution levels. However, a variety of biomass feedstocks other than wood can be used (see above). Old-growth forest is likely not a good feedstock because of extensive pre-processing that would be required. Small biomass pieces such as pellets or cherry pits make excellent feedstock. Air pollution from biochar production can be greatly reduced and eliminated through proper production system design.
== External links ==


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