Re: CULT: Leaf Removal & Soft Rot


Bill,
The scale is a factor of ten, not 100. Same idea though. It gets much more
acid (or basic) as you drop one notch. A good ref:
http://www.epa.gov/airmarkets/acidrain/ph.html

Jim Gibbons
NC Coast Zone 8A and sandy...
gibbman6@mchsi.com

----- Original Message -----
From: "John I Jones" <jijones@usjoneses.com>
To: <iris@hort.net>
Sent: Friday, February 14, 2003 11:26 AM
Subject: Re: [iris] CULT: Leaf Removal & Soft Rot


> I would add that, relative to a previous question, by general
> convention, a low ph means acid and a high ph means alkaline.  Even
> though a ph of 2 is a very low value numerical is indicates a high
> acidity value.
>
> Oneofcultivars@aol.com wrote:
>
> >In a message dated 2/14/2003 9:50:38 AM Central Standard Time,
> >Oneofcultivars@aol.com writes:
> >
> >
> >
> >
> >>The scale itself is not linear it is logarithmic. Meaning a soil with a
pH
> >>of
> >>6 is a 100 times more acidic than a soil with a pH of 5.

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