[compost_tea] Re: Def'n of good tea

From: dkemnitz2000 <dkemnitz2000_at_yahoo.com>
Date: Sat, 12 Jun 2004 02:46:44 -0000
--- In compost_tea_at_yahoogroups.com, soilfoodweb@a... wrote:
> Death versus going to sleep depends on how fast the oxygen
concentration is changing.
>
> If the organisms have time to react, they produce dormant stages,
and go to sleep.
>
> If the change is rapid, and oxygen drops rapidly into the reduced
oxygen range, death is likely.
>
> The determinant of too fast versus slow enough is species by
species.  But if you drop from 7 ppm to 5 ppm in under an hour, you
are probably going to kill things. 
>
> Was that the information you were looking for? 
> <><><><><><><>Maybe one step further.  At say 7ppm O2 what CO2
concentration (due to respiration)will start putting them to sleep
and then further to their death. This is probably a research project,
huh?Say they're in an enviroment that is otherwise acceptable for
their survival.    Dennis Kemnitz




> Elaine Ingham
> President, Soil Foodweb Inc.
> SFI Corvallis, OR
> SFI Port Jefferson, NY
> SFI Lismore, NSW, Australia
> SFI Hilversum, The Netherlands
> SFI Cambridge, New Zealand
> SFI Culiacan, Mexico
> SFI Jerome, Idaho
> http://www.soilfoodweb.com


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Received on Fri Jun 11 2004 - 23:30:35 EDT

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