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livingontheland - Re: [Livingontheland] Humus: Still a Mystery

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Subject: Healthy soil and sustainable growing

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  • From: Robert Norsen <bob@bnbrew.com>
  • To: Healthy soil and sustainable growing <livingontheland@lists.ibiblio.org>
  • Subject: Re: [Livingontheland] Humus: Still a Mystery
  • Date: Tue, 13 Jun 2006 23:38:39 -0700 (PDT)

Above 88F the O2 level is to low for the bacteria needed by plants ???   That temp is critical in ACT brewer operation.   Does is apply to soil?    Bob

blademan25@yahoo.com wrote:
The following 3 sentences in this article - seems to
be in conflict with itself - or maybe I am mis-reading
it???


Soil temperature is another important controlling
factor in the formation of humus. As the temperature
of a soil increases, there is a corresponding
increase in microbial activity.

Soils that exist in warmer regions of the earth tend
to have lower native levels of humus than soils in
colder areas.

Figure 1 shows that at a temperature of 88 degrees F,
in well aerated soil, humus can no longer accumulate.
Is this temps above 88 - or below 88?

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