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Re: [nafex] Soil Sterilization



A note about soil sterilization:  If you are talking about true sterilizatioon - don't steam or boil - autoclav.  Now most folks done't have one
lying around - but - an autoclave is merely a glorified pressure cooker.  Use that and you will truely sterilize the soil.

Keith

Thomas Olenio wrote:

> Hi,
>
> I am sure you have heard on bean innoculant. It is a bacteria  that
> supplies nitrogen to the plant.  You put the innoculant in the ground
> with the  seed.  There is also myco. fungi that are soil fungi's that
> penetrate the plant root and help the plant grow better, and faster.
>
> You can buy these things to "augment" the soil flora you already have.
>
> Later,
> Tom
>
> --
>
> On Tue, 9 Apr 2002, Raby, Brian {D204~Indianapolis} wrote:
>
> > Tom,
> >
> > Define augmented...
> >
> > You did hit me with an idea, though.  Use the soil mixture from the bag,
> > and
> > a soil sample from the garden.
> >
> > Brian
> >
> > -----Original Message-----
> > From: Thomas Olenio [mailto:tolenio@sentex.net]
> > Sent: Tuesday, April 09, 2002 11:31 AM
> > To: 'nafex@yahoogroups.com'
> > Subject: Re: [nafex] Soil Sterilization
> >
> >
> > Hi,
> >
> > Use a steel pot and the gas grill outside, even old coffee can would do.
> >
> > Have your son do an experiment comparing natural, augmented and
> > sterile soil flora.
> >
> > Researchers are finding that sterile soil produces poorer plants.  In
> > nature there is soil flora (bacteria/fungi) that work in simbiosys (?)
> > with plants.  Some bacterias supply nitrogen to plant roots, while some
> > fungi supply growth hormones and drought tolerance.
> >
> > Comparing the three (sterile, natural, and augmented) would make a great
> > experiment.
> >
> > Later,
> > Tom
> >
> > --
> >
> >
> > On Tue, 9 Apr 2002, Raby, Brian {D204~Indianapolis} wrote:
> >
> > > All,
> > >
> > > Kind of an off the wall question, but my son is interested in doing a
> > > science project on seed germination in various growth media.  Amongst
> > the
> > > media he selected are sand from the pile in the back of the house, and
> > > pea
> > > gravel from around the basement foundation.  Not knowing what lurks
> > among
> > > them, I probably need to somehow sterilize it before he plants his
> > seeds.
> > >
> > > Will probably use the oven for this, but at what temperature, and for
> > how
> > > long?  Is there another way that you could suggest I sterilize the
> > > "soil"?
> > >
> > > Thanks,
> > >
> > > Brian Raby
> > > Sheridan, IN zone 5b, where the rain has finally stopped.  No sign of
> > > green
> > > tip yet nor any bud swelling on the grapes.  Will probably pull the
> > straw
> > > off the strawberries later after work.
> > >
> > >
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