permaculture

["Forest Garden" <forestgarden@gvtc.com>]

Thank you Grant,

We plan on letting the compost sit for at least 3 to 6 months as it comes
quite 'hot'.  Exposure to rain will probably take care of any saline
problems.  Thanks for the link!

Marjory
----- Original Message -----
From: "Grant Harper" <ubergroover@yahoo.com>
To: "permaculture" <permaculture@lists.ibiblio.org>
Sent: Thursday, March 30, 2006 2:35 AM
Subject: Re: [permaculture] mushroom compost question


> I've heard that it can be quite saline (up to an Ec of 14), may need to
know the Ec of it if you're to use it on your garden. Or leach it prior to
using. I'm not sure why fungal growing media would be saline, possibly from
the fertiliser levels.
>
> This from Acta horticulturae 697:
> "...Compared to the other tested materials all spent mushroom composts
showed growth reduction, especially at higher concentrations of the spent
mushroom compost in the growing medium. This was mainly caused by a high
salt content (EC). Washing the spent mushroom compost reduced most of the
problems concerning nutrient content and growth reduction."
>
> Potential of adapted Mushroom Compost as a Growing Medium in Horticulture
in
> ISHS - INTERNATIONAL SYMPOSIUM ON SOILLESS CULTURE AND HYDROPONICS, Adana
2004, submitted for Acta Hort
>
> This on sustainable agriculture and spent mushroom compost is very good:
> http://hort.snu.ac.kr/data/yurina0317.ppt
>
> Otherwise it's triffic stuff :-)
>
> Grant Harper
> Melbourne Australia
>
> Steve Diver <steved@ncat.org> wrote: A more appropriate name for this
material
> is "spent mushroom compost". You can still see
> pieces of straw and manure. The SMC has gone
> thru a partial composting process and is a
> predigested and fungal-decomposed organic matter.
>
> Anyways, gardeners around these parts love SMC.
> It might be a combination of the nutrients, organic matter,
> and fungal components that it provides.... whichever,
> gardens respond to SMC and it improves soil conditions.
>
> The price they are charging is a bargain.  You can
> spread plenty of volume -- a 2+ inch top dressing --
> then till it into your garden soil.
>
> The ingredients are all natural.   Maybe you are saying
> that the feedstock ingredients originate from conventional
> agriculture rather than organic farms.
>
> Steve Diver
>
>
>
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