RE: Horse Manure Question

Mike in Myrtle Beach

My experience is that every aspect of that advice is bad. A friend of mine
and myself had major rot problems from aged horse manure. Based on memory
when I was trying to compost a lot, fresh horse manure only has 1 to 2%
nitrogen. Aged horse manure has progressively less and less nitrogen as the
nitrogen is consumed or weathered away. Eventually horse manure becomes rot
free. I don't have any idea what the boundary conditions are between rot and
no rot. I need training in microbiology to do the studies to test my model
of what is happening.

I and two other commercial gardens have had soil analysis done on older TB
beds. In all three cases, the recommendation was the nitrogen was depleted
and higher levels of Nitrogen were needed. Iris are heavy feeders and need
nitrogen. I use 21-7-14 based on the soil analysis and have good foliage and
bloom. Phosphorus does not weather so it will accumulate if balanced
fertilizer is always used.



Harold Peters
Beautiful View Iris Garden
2048 Hickok Road
El Dorado Hills, CA 95762
harold@directcon.net <h*@directcon.net>
www.beautiful-view-iris.com


-----Original Message-----
From: owner-iris@hort.net [o*@hort.net]On Behalf Of
Matbeach1@aol.com
Sent: Tuesday, August 31, 2004 3:44 PM
To: iris@hort.net
Subject: [iris] Horse Manure Question


Hi,
I'm a newcomer, so please be patient with me! But I have read quite a bit
lately saying that animal manure should not be used with iris because it is
high
nitrogen and will promote heavy foliage at the expense of blooms. Is this
not
good advice?

Thanks,
Mike in Myrtle Beach

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