Reference Terms
from Wikipedia, the free encyclopedia


Humus is a complex organic substance resulting from the breakdown of plant material in a process called humification.

This process can occur naturally in soil, or in the production of compost.

Humus is extremely important to the fertility of soils in both a physical and chemical sense.

Note:   The above text is excerpted from the Wikipedia article "Humus", which has been released under the GNU Free Documentation License.
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October 8, 2015

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updated 12:56 pm ET