Not very much as ash is very alkaline and probably contains salts as well. Wood ash is generally used in acidic soils at about 15 lbs per 1000 sq feet. So, in a compost pile or tumbler, not much at all and as far as speeding up the decomposition process, it is very very doubtful although in limited amounts it is beneficial to earthworms which do speed up the process. So, unless your soil acidic I wouldn't add any at all.I always thought Wood Ash would slow down Compost but I was reading it will speed it up.
Now I'm wondering how much to put in my Compost?
Burned my Timber every year for the growth I got every year.Well its not like you are not aware of how many years it takes to regrow after a fire. Your question is more short term than what nature does. Your intent for production is different than natures intent as well. Sounds like you need to engage in naked gardening day and get in touch with nature.
Let them soak a year like compost.
Ashes have more nutrients than limestone. Limestone is mainly calcium, magnesium, carbon. I would just keep those in their own pile and use if needed instead of adding them to a compost pile.My Sister says Ashes are a substitute for lime. This is why I think it will stop my Composting but she puts Ashes in her Compost.
One time I got the bright idea that Wood Ash would help with hair off a Deer hide.My first proper girlfriend was from British Guiana, she said where she grew up in a small village they used wood ash to wash pans. It woks well, alkaline and slightly abrasive.
Hey, Rockpile, you are supposed to let the fire go out first.
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