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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: <blademan25@yahoo.com>
  • To: Healthy soil and sustainable growing <livingontheland@lists.ibiblio.org>
  • Subject: Re: [Livingontheland] Humus: Still a Mystery
  • Date: Tue, 13 Jun 2006 14:44:37 -0700 (PDT)

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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