[NAFEX] coffee grounds as compost
Mathew Waehner
waehner at gmail.com
Thu Feb 19 15:46:22 EST 2009
A friend of mine gets hundreds of pounds of coffee grounds from Larry's
Coffee Beans, including the skins of the beans, which are loaded with
caffeine and never get brewed. There are plenty of insects and worms in the
compost, and the chickens eat the critters with no ill effects from the
caffeine.
I do think that caffeine from our sewer system is a problem in rivers.
On Thu, Feb 19, 2009 at 1:28 PM, Kevin Moore <aleguy33 at yahoo.com> wrote:
> Coffee grounds are a high nitrogen feedstock for compost, but the
> caffeine is problematic. I find that growing oyster mushrooms in them first
> seems to alleviate the caffeine problem and provides an extra crop of
> delicious food while initiating the breakdown into humus.
>
> ------------------------------
> *From:* "Jerrydana5 at aol.com" <Jerrydana5 at aol.com>
> *To:* nafex at lists.ibiblio.org
> *Sent:* Wednesday, February 18, 2009 10:04:51 PM
> *Subject:* [NAFEX] coffee grounds as compost
>
> What do you guys think of coffee grounds as compost, particularly as an
> acid acidifier? I have for a long time used ours but I just noticed our
> local Starbucks has them by the garbage bag full free for gardners and I
> would like to use them, particularly as I have a number of blueberry plants
> and my soil, despite all my attempts, is still not in the ph range it should
> be for blueberries. jerry in southern Indiana
>
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