University of Idaho College of Agricultural and Life Sciences Plant, Soil & Entomological Sciences Soil & Land Resources
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Histosols

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example 4

euic, frigid Typic Haplosaprist (Pywell series)

Natural vegetation associated with these soils is willow, black cottonwood, thinleaf alder, narrowleaf cattail, reed canary grass, sedge, and rush with scattered western redcedar and Englemann spruce along edges of meadows. The organic matter in this soil is highly decomposed state and has few remaining plant fibers. This advanced stage of decomposition is generally seen in Histosols with fluctuating high water tables, where aerobic degradation can proceed during parts of the year. In contrast to fibrous peat, these soils are often referred to as "muck" and are members of the Pywell series. Many Pywell soils have been cleared, diked, and drained for farming. They are used primarily for production of spring wheat, oats, barley, grass seed, hay, and pasture. Some areas are used for wetland wildlife habitat. For more information about Pywell soils,
click here.

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Examples:
1. Histosol landscape
North Carolina
2. Limnic Haplosaprist
southern Michigan
3. Haplosaprist landscape
northern Idaho
4. Typic Haplosaprist
northern Idaho
5. volume change
in drained organic material
6. subsidence in drained Histosol
Everglades, Florida

7. use of Histosol for fuel
Scotland

8. Lithic Torrifolist
southern Idaho
If you have any comments, suggestions, or questions about the 12 Soil Orders web site,
please contact
Dr. Paul McDaniel  at the Soil Science Division,
University of Idaho, Moscow, ID 83844-2339.