Northamerican Alied Fruit Experimenters

Northamerican Alied Fruit Experimenters
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Thursday, May 21, 2015

Re: [nafex] fertilzing

Sorry I wasn't clear, I believe it was uranium (or some other similarly
seriously radioactive element) that was actually in the rock dust that I
didn't want to use. I was just trying to explain that radon often forms as
a byproduct of the breakdown of heavier elements so if you have a lot of
radon in your area one might want to be more suspect of the rock dusts from
that area. What was nice though is that the product I was considering did
have a complete list of what was in it so I was able to make an informed
choice about whether to use it or not. So use caution with rock dusts w/o
such a break down.

Mike


On Wed, May 20, 2015 at 9:16 AM, Louis Pittman <lpittman@murraystate.edu>
wrote:

> To my understanding - and I'm not a nuclear physicist, and don't play one
> on TV - is that radon, out in the open, is not a concern. It's a potential
> problem when it's seeping into and accumulating in closed spaces
> (basements,etc.). I suspect that in an open-field setting, any radon (it
> is a gas) that might be present/released would quickly dissipate to
> nothingness.
>
> Lucky
>
> On Wed, May 20, 2015 at 8:00 AM, Lawrence London <lfljvenaura@gmail.com>
> wrote:
>
> > On Wed, May 20, 2015 at 7:42 AM, Mike Levine <mlevine@umich.edu> wrote:
> >
> > > I considered using some once, but the particular product we were were
> > > looking at had a tiny bit of radioactive material in it. It was just a
> > > small amount, but we were advised by a friend who does environmental
> > > testing not to use it for that reason. Every little but of radiation
> is
> > a
> > > little bit more you just don't want around. Radon is common in our
> area
> > > and is formed by the break down of these heavier radioactive elements
> so
> > > it's believable that even a small amount of radioactive material in
> rock
> > > dust could be harmful.
> > >
> >
> > Thanks for the heads-up. I have heard about radioactivity issues with
> rock
> > phosphate,
> > particularly the Florida types, possibly Tennessee too, don't know about
> > the Idaho.
> > As for quarry dusts, I suppose it may exist, maybe with certain types of
> > granite (a kind of gravelly rock used for driveways in my region). Radon
> is
> > a problem in many areas and sealing cracks and perimeter of ground
> contact
> > concrete slabs is necessary; there may be well water issues too.
> >
> > I'll check tonight to see if my feet and hands are beginning to glow. As
> > for my use of quarry dusts I feel the benefits far outweigh any risks.
> >
> >
> > --
> > Lawrence F. London
> > lfljvenaura@gmail.com
> > Ello: @ecoponderosa <https://ello.co/ecoponderosa>
> > https://sites.google.com/site/avantgeared/
> > https://sites.google.com/site/venaurafarm/
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