CULT: Nitrogen
- To: "INTERNET:i*@egroups.com"
- Subject: CULT: Nitrogen
- From: S* M* <7*@compuserve.com>
- Date: Wed, 5 Apr 2000 19:24:46 -0400
Message text written by Linda Mann>
>
Has anybody experimented with different sources of nitrogen for their
irises? <
Five adjacent beds, site chosen to provide similar shade and
wind-protection, prepared identically except for the type of fertilizer
used. All manures were aged. All additives were mixed into the layer that
would become the root zone, then the beds were topped off with 4" of native
soil.
Cow, horse, pig, and rabbit manure went into four beds [one type per bed,
of course] and chemical fertilizer in the fifth. Application rate for the
commercial fertilizer determined by testing the soil. Application rates
for the manures then computed usingequivalency tables in Ag bulletins.
The horse manure was so much more effective than anything else I'd have to
dig through the archives to jog my memory as to what came in second.
But then, the old-timers already knew that.....
Sharon McAllister
73372.1745@compuserve.com
In Southern New Mexico, where micro-climates defy translation into USDA
zones.
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