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Permies likes composting and the farmer likes 8 year horse manure any good? permies
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Forums: horses, donkeys and mules composting

8 year horse manure any good?

Sophie Thomas

Joined: Jan 17, 2013
Posts: 36
I have read that manure will leach nutrients over time and eventually it becomes useless in a garden. Is this true?

We have a HUGE pile of horse manure that has been sitting since we sold our horses 8 years ago. Would it be any good in our garden?
John Polk

Joined: Feb 20, 2011
Posts: 6781
Location: Currently in Seattle. Probably moving 1 hour north by end of the year.
While it has probably lost almost all of its nitrogen, it is still organic matter.
Something in your soil will want to eat it, and it will help your soil to hold water.

It should also be totally safe to use as mulch on young seedlings.

Sophie Thomas

Joined: Jan 17, 2013
Posts: 36
Thanks John, that's an excellent point. I was thinking of turning it into a new garden this Spring to help things along.
Ken Peavey

Joined: Dec 21, 2009
Posts: 2523
Location: FL
I agree with John Polk.
I've used several year old horse manure without a problem.

While loss of N and leaching of nutrients is likely to have occurred, the material would still contain a good deal of hummus. It should make an excellent soil conditioner.

Seed the Mind, Harvest Ideas.
Sophie Thomas

Joined: Jan 17, 2013
Posts: 36
That's excellent to hear! I'm excited to start putting it to use
subject: 8 year horse manure any good?