Re: HIST: CAT: Rebloom-soil condition


From: "William Stone" <wstone@volcano.net>

Sorry for not sending my thanks to the replys a little quicker but it seems
the weeds are calling.  I need to ask Jeff if overhead watering ( not in
bloom time ) wood add nitrogen or decrease it.  I feel Mother Nature waters
this way and the plants survive and I don't know anybody that covers their
TB s when a shower comes through. Not trying to argue just trying to wiegh
the plus and minus.      Bill
Stone's Iris Garden....Volcano, CA , US
---- Original Message -----
From: "Jeff and Carolyn Walters" <jcwalters@bridgernet.com>
To: <iris-talk@onelist.com>
Sent: Sunday, March 12, 2000 2:53 AM
Subject: Re: [iris-talk] HIST: CAT: Rebloom-soil condition


> From: "Jeff and Carolyn Walters" <jcwalters@bridgernet.com>
>
> > From: "William Stone" <wstone@volcano.net>
> >
> > Jeff;  For the benefit of discussion, If I loosen my soil and let air
in,
> > then watered, would this not combine some of the air nitrogen with the
> soil.
> > Sorry if this sounds stupid but I feel it is worth a thought.   Bill
>
> Bill,
>
> Yes, there is air in the porous spaces between the soil particles, and
> cultivating the soil creates more of these spaces than when the soil is
> packed down hard. However, as I said before, there is no way that plants
> can make use of the Nitrogen gas that is in the air. The Nitrogen must be
> converted to forms that are water soluble in order to be taken up by the
> plants. Soil bacteria can do this and supply a major portion of the
> Nitrogen requirements of certain plants that have established a symbiotic
> relationship with them. Only a few plants have done this, primarily
members
> of the legume family (peas, beans, clover, alfalfa, etc.). Other plants,
> such as irises, have no way of taking advantage of gaseous Nitrogen that I
> am aware of.
>
> Jeff Walters in northern Utah  (USDA Zone 4/5, Sunset Zone 2)
> jcwalters@bridgernet.com
>
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