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  • From: Michael Dean <mikedean.com@altavista.com>
  • To: permaculture@franklin.oit.unc.edu
  • Subject: Re: UK member or Coffee Grounds
  • Date: 14 Dec 2001 08:09:58 -0800


Dear Kevin,

very interesting observation indeed. However could you state what type of
soil you worked with and in what country you are from?

Cheers Mike.

On Fri, 14 December 2001, "Kevin Topek" wrote:

>
> Andrew and Michelle,
>
> Coffee grounds have about the same amount of available nitrogen as other
> kitchen scraps. There is also a substantial portion of available bean oil
> which breaks down slowly over time. Coffee grounds do acidify the soil, but
> usually not to the detriment of most plants, unless they are acid intolerant
> or the application of coffee grounds is too thick, over 2 inches in depth.
> In my experience doing bioremediation experiments, coffee grounds are
> miraculous. I half-heartedly included them in an experiment of breaking down
> used automobile crankcase oil contaminated soil. The spent grounds were the
> only sample to produce healthy bush bean growth at the end of the experiment
> and had earthworms thriving in the formerly contaminated soil. Other compost
> applications did not have as remarkable an effect. Do not extrapolate too
> much from this, but I am a firm believer that coffee grounds are one of the
> most fertile soil amendments available!
>
> Kevin Topek
>
> ----- Original Message -----
> From: <Tarliman2@aol.com>
> To: permaculture <permaculture@franklin.oit.unc.edu>
> Sent: Friday, December 14, 2001 8:18 AM
> Subject: Re: UK member
>
>
> > In a message dated Fri, 14 Dec 2001 5:23:22 AM Eastern Standard Time,
> "Michelle Bourke" <michelle@thequality.com> writes:
> >
> > > I am interested in hearing an answer to Andrew's question about coffee
> > > grounds.
> >
> > To repeat, I was wondering about their effect on nitrogen in the soil. I'm
> also concerned, which I hadn't previously mentioned, about whether I'm
> acidifying my soil beyond survivability, and if I need to correct my Ph
> somehow.
> >
> > Andrew Ragland
> > tarliman2@aol.com
> >
> >
> > ---
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