[Stoves] Biochar Projects for Science Students
Pat
clamshell at iinet.net.au
Sun Nov 21 20:56:59 CST 2010
http://permaculture.org.au/2010/11/21/biochar-potential-or-pitfall-carbon-storage-vs-soil-quality/
This is a 6 minute video that explores this question.
Pat
On 22/11/2010, at 9:58 AM, Jeff Davis wrote:
> Tom,
>
>
> An exercise in critical thinking:
>
> Two statements....
>
> 1. It's claimed that biochar persists in the soil for thousands of
> years.
>
> 2. Biochar is not normally found in the soil.
>
> Challenge....
>
> How do we prove that there will not be any long term problems with no
> turning back. Will we end up with a Frankenstein type soil
> (FrankenSoil)?
>
>
>
> Best regards,
>
>
>
> Jeff
>
>
>
>
> On Sat, 2010-10-30 at 12:48 -0700, Tom Miles wrote:
>> We need experiments for high school science students to make and use
>> biochar.
>
>
>
>
>
>
> --
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