[Terrapreta] Backyard Biochar
Douglas Clayton
dnclayton at wildblue.net
Fri Apr 6 18:46:31 CDT 2007
Tom,
I see no one has responded yet so I'll throw in some second hand
reports. From a conversation with Dr. Peter Fransham of Advanced
BioRefinery in Ottawa. He told me that some char he produced from
chicken litter waste (this would be from a system he did for Renewable
Oil International) when scattered on a lawn, in one week, produced
grass 1" taller and darker green than the adjacent untreated area . He
thought there would have been some nitrogen still in the charcoal.
Seems like Dr. Fransham has been at this just about as long as anyone
and has some systems ready to go into production. But like most I
think the awareness of the value of the charcoal is new.
http://www.advbiorefineryinc.ca/
I'm sure everyone has seen the photos at Eprida:
http://www.eprida.com/home/index.php4
I took the below pictures when I visited Danny Day at Eprida last
month. The first shot is of the red Georgia clay before and after
charcoal had been tilled in two years prior. The second shows some
"structure" as a result of the charcoal treatment. The untreated had
become very hard (compacted).
1.
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2.
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Three and four illustrate how tilth was improved. In both shots Danny
is pushing the device (penetrometer??) with a force of 300#/ sq. in.
and it is obvious how much looser the soil in the fourth image is!
3.
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4.
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Doug in NH
On Apr 5, 2007, at 9:58 PM, Tom Miles wrote:
> Who has been trying charcoal on plants in small gardens ?with what
> results?
> ?
> Here?s a report from an Oregon enthusiast:
> http://terrapreta.bioenergylists.org/outlookmar07
> ?
> Larry had good results with swiss chard and unused barbeque char:
> http://terrapreta.bioenergylists.org/haardroots
> ?
> The Master Gardeners in Pickens County, Georgia, got educated peanut
> hull char from U of Georgia for tests with tomatoes and blueberries:
> http://terrapreta.bioenergylists.org/pickens2006
> ?
> Richard has shown us his tests at the nursery level:
> http://terrapreta.bioenergylists.org/haardcharcoal
> ?
> And there are a lot of thoughts about charcoal in a number of
> gardening books:
> http://terrapreta.bioenergylists.org/?q=node/198
> ?
> Who else has had good (or bad) luck with using charcoal in the garden?
> ?
> Tom Miles
> ?
> ?
> ?
> ?
> ?
> ??
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> Terrapreta mailing list
> Terrapreta at bioenergylists.org
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> terrapreta_bioenergylists.org
>
Douglas Clayton
50 Bullard Rd
Jaffrey, NH 03452
work: 603-532-1120
home: 603-532-7321
fax: 603-532-4581
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