Re: CULT: Wood Ashes and pH
- Subject: Re: CULT: Wood Ashes and pH
- From: J* B*
- Date: Thu, 26 Nov 1998 00:40:47 -0500
From: "John Bruce" <jbruce@infinet.com>
>I have always understood that wood ashes added to the soil have the
>tendency to raise pH (lower acidity). That is why I never use them here
>where soil pH is already as high as it needs to be.
Wood ashes are alkaline. If an overabundance of wood ashes are
used, the soil pH can be raised to the point of inhibiting microorganism
activity and limiting mineral uptake by plants. In smaller amounts, they
are an excellent source of potassium.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
John Bruce
jbruce@infinet.com
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