[permaculture] Fwd: Biochar
dhondt at eircom.net
Wed Nov 16 19:06:05 EST 2011
Exactly Steve, I have been charring posts for 20 years and find them much
more resistant to rot than expensive chemically treated bought in posts.
Charring is the oldest and often best wood preservative known to mankind.
But....commercial charcoal is often saturated with fish emulsion and if it
is porous enough then I imagine that there would be microorganisms moving in
there. This is probably good fertilizer in depleted soils but people see the
result of the fish and not the inert charcoal.
> On 11/15/2011 8:03 PM, christopher nesbitt wrote:
>> That charcoal will be full of microrganisms in a short amount of time.
> Is there any research to indicate this? I am thinking about the practice
> of charring the bottom length of posts before burying so that they do
> not rot (or at least have a much slower rate of decomposition).
> Steve Bonney
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