Re: CULT: SIB: gypsum in new beardless bed
- Subject: Re: [sibrob] CULT: SIB: gypsum in new beardless bed
- From: h*@directcon.net
- Date: Fri, 15 Jul 2005 00:24:46 GMT
Laurie,
For most practical purposes, gypsum will be neutral to your beardless irises.
Gypsum is calcium sulfate which has a very low solubility. Gypsum will provide
some calcium. Gypsum does combine with the clay to improve soil texture. That
is beneficial to anyone digging in the beds. I have planted beardless in former
TB beds that were heavily treated with gypsum and experienced no problems.
> Hello All,
>
> I am in the process of building a new beardless bed, primarily for Sibs
> but also versicolor, setosa, and perhaps a few JI and pseudX. My soil
> is very clayey and slightly acidic. I typically add large amounts of
> gypsum when creating new bearded beds to try to chemically break up the
> clay, but I have no idea how beardless irises might react to gypsum.
> Does anyone know if gypsum is good, bad, or neutral where beardless
> irises are concerned?
>
> I know I have to keep lime away from the beardless.
>
> Thank you for any guidance anyone may be able to provide.
>
> Laurie
> ---------------
> laurief@paulbunyan.net
> http://www.geocities.com/lfandjg
> http://www.angelfire.com/mn3/shadowood/irisintro.html
> USDA zone 3b, AHS zone 4 - northern Minnesota
> normal annual precipitation 26-27"
> slightly acid, potassium deficient, clay soil
>
>
>
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