[Terrapreta] Fwd: compost and charcoal

[lou gold]

hmmm, doesn't this mistakenly equate char with ash?

On Nov 25, 2007 11:26 AM, Gerald Van Koeverden <vnkvrdn at yahoo.ca> wrote:

> *Charcoal is **Not** a Good Soil Amendment in Colorado*
> *
> *
> from      http://www.coopext.colostate.edu/4dmg/Soil/charcoal.htm**
>
>
>
>
> On 24-Nov-07, at 10:27 PM, Gerald Van Koeverden wrote:
>
>
>
> Tom,
>
> Thanks for that link about the enhancing effect of charcoal on
> compost by Japanese researchers.
>
> Looks like some revision of the accepted methods of making compost
> might be in order.  The first site I went to on making compost
> specifically advises avoiding charcoal in the compost pile!!
>
> http://www.tceq.state.tx.us/assets/public/assistance/education/
> waste/composting.pdf
>
> The next two advised against using any charcoal ash.  By not saying
> anything positive about using charcoal itself, the message conveyed
> is negative towards using charcoal at all as a composting component.
>
> Gerrit
>
> On 24-Nov-07, at 6:33 PM, Tom Miles wrote:
>
> See the presentation on charcoal mixed compost at the IAI
> conference by
> Shuji Yoshizawa, Satoko Tanaka, Michio Ohata or
> Meisei University and Shigeru Mineki, Tokyo University of Science.
>
> http://www.biochar-international.org/images/Yoshizawa_-
> _Charcoal_Composting_
> of_Rice_Bran_Effect_on_Microorganisms.pdf
>
> One slide:
> "Composting from mixture of charcoal and biomass waste (Charcoal
> Mixed
> Compost, CMC)
> Composts made from garbage generated by homes, restaurants and food
> industries and livestock
> waste, and its utilization is receiving attention from the
> viewpoint of
> recycle of biomass wastes.
>
> As wood and bamboo have pores which are the size that are suitable
> for
> microorganisms to support, by
> adding the charcoal from the beginning of composting, the
> proliferation of
> microorganisms will be enhanced."
>
> Their results were positive.
>
> Tom
>
>
> -----Original Message-----
> From: terrapreta-bounces at bioenergylists.org [mailto:terrapreta-<terrapreta->
> bounces at bioenergylists.org] On Behalf Of Gerald Van Koeverden
> Sent: Saturday, November 24, 2007 10:42 AM
> To: terrapreta preta
> Subject: [Terrapreta] compost and charcoal
>
> We've had a lot of talk about the cost-benefit of applying charcoal
> to large acreages of land.  And also about using compost or
> manure to
> enrich charcoal before applying it.
>
> What about adding charcoal to the compost pile at the beginning of
> the process?  Has anybody researched the value of adding charcoal to
> the biomass right at the beginning?  A lot of ammonia is released to
> the atmosphere during composting;  would charcoal act as a sponge to
> soak it up and hold it, along with mineral nutrients which are
> easily
> susceptible to leaching?  In effect, if this is true, charcoal fines
> as part of the composting process would significantly add to the
> potential nutrient value of that compost.
>
> gerrit
>
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