[Terrapreta] Terra preta 101

[Michael Bailes]

On 20/09/2007, Robert Flanagan <saffechina at gmail.com> wrote:
>
> Hey Guys,
>
> Just a quick one on the charcoal temp "*It does not have to be low temp*"
> this is a misunderstanding. This year I did my trials with 500C ricehull
> char and I had a very positive result.
> Agreed


500C is still "low temp."
Look at activated char temps.

Rice hull char is not going to contain a lot of resins, bio-oils
Lots of Silica yes- a nice thing to add to the soil
So temp is not as important
MA
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