RE: [nafex] Soil Sterilization

["Raby, Brian {D204~Indianapolis}" <BRIAN.RABY@ROCHE.COM>]

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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>
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