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


SUBORDERS

Aqualfs - Alfisols with a water table at or near the surface for much of the year

Cryalfs - Alfisols of cold climates

Ustalfs - Alfisols of semiarid and subhumid climates

Xeralfs - temperate Alfisols with very dry summers and moist winters

Udalfs - Alfisols of humid climates

Click here to view suborder diagram


Click on map view a larger version

  Examples:
1. Albaqualf landscape
central Missouri
2. Mollic Albaqualf
3. Udic Paleustalf northcentral Texas
4. Typic Hapludalf
southern Michigan
5. Haplocryalf landscape
southeastern Idaho
6. Typic Haplocryalf
southeastern Idaho
7. Fragixeralf landscape
northern Idaho
8. Vitrandic Fragixeralf
northern 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.