I also use ashes from my fireplace as a soil amendment and have not seen any negative effects, however, I just read in a book on composting that ash added to compost might leech out the beneficials and nutrients because of its high ph. I suppose it depends on how much is used in compost.
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I'll plant and I'll harvest what the earth brings forth
The hammer's on the table, the pitchfork's on the shelf
Bob Dylan
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