Charcoal ash

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rideandy

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Charcoal ash
« on: April 20, 2009, 17:06 »
Was wondering if charcoal ash is good for compost heap or to put on my raised beds?
Cheers

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oldbean

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Re: Charcoal ash
« Reply #1 on: April 20, 2009, 17:24 »
Charcoal and ash are two different materials. Charcoal is the carbon from once living items with the volatiles cooked out. Ash is the residue when the charcoal has been burnt. The ash would be beneficial  to add potash. Charcoal would be beneficial as a moderator to partly buffer water and nutrients.

Potash can be used by plants for growing. Charcoal is so stable it will last tens of thousands of years.

The stability of charcoal is useful to preserve posts you put in the ground. If you burn the ends of the poles in a fire, a layer of charcoal will form on the outside, and creosote will be just below this layer. It is very difficult for organisms to attack the charred bit.

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rideandy

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Re: Charcoal ash
« Reply #2 on: April 20, 2009, 18:10 »
Ok thanks.
So will the charcoal ash from my bbq help with my compost?
Thanks

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HLS

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Re: Charcoal ash
« Reply #3 on: April 21, 2009, 09:44 »
I think there was a thread about that recently - try the search facility.  As far as I remember, the main point to work out was whether the charcoal would have been treated with anything (to make it light more easily, for instance) and definitely not to use the ash if it had.

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gregmcalister

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Re: Charcoal ash
« Reply #4 on: April 21, 2009, 11:08 »
Yes you can use charcoal ash (or any wood ash) on your compost.



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