Horse manure as a fertilizer

Peg Cook pegcook at
Thu Oct 5 07:37:16 EDT 2000

Horse manure is a good soil amendment to use.  However, you can overload the
soil with to much Nitrogen, thus, decomposition will slow down drastically.
Overloading the soil with Nitrogen does create other deficiency problems
with Phosphorus, Potassium, Calcium, etc.  Therefore, I would strongly urge
you to get a complete soil analysis (yes, I do soil testing, but, you make
the ultimate decision on having one done or not) and see exactly what your
soil needs.  If you're interested send me a private email and I can send you
a (free) soil sample kit.

As far as the pine needle and shavings, anything with a high carbon:nitrogen
ratio will take a number of years to decompose.  While the needles and
shavings are decomposing they will actually pull Nitrogen out of the soil in
order to help with decomposition.

Hope this helps!

Peg Cook, Agronomist
Cook's Consulting

pegcook at

----- Original Message -----
From: Mike Steinberg <mstein at>
To: market farming <market-farming at>
Sent: Wednesday, October 04, 2000 5:21 PM
Subject: Horse manure as a fertilizer

> We have access to unlimited amounts of horse manure mixed with pine
> shavings. The feed for the animals contains no antibiotics or other
> harmful products. I would like to hear some ideas about the use of this
> product as a fertilizer on our organic farm. The manure comes from their
> stalls so weeds, etc. is not an issue. We allow the manure to sit for
> about six months prior to spreading on the field. Any suggestions/ideas
> regarding its use would be appreciated.
> Mike
> Flying Frog Farm
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