Quote:
Originally Posted by browndrake
How composted should horse manure be before using it. I have a pretty much endless source of horse manure for free. I have from fresh to about 5-6 years old available.
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90 days in warm weather.
Once the compost is subject to multiple rainstorms, the nutrients will leach out. Depending on the soil, the ground underneath the compost pile might be a good place to locate your next vegetable garden.