Order:
Suborder:
[ ]
| Code |
Name |
Description |
|
|
Cryolls that have a duripan that has its upper boundary within 100 cm of the mineral soil surface. |
|
|
Other Cryolls that have a natric horizon. |
|
|
Other Cryolls that have both:
- An argillic horizon that has its upper boundary 60 cm or more below the mineral soil surface; and
- A texture finer than loamy fine sand in all horizons above the argillic horizon.
|
|
|
Other Cryolls that have an argillic horizon. |
|
|
Other Cryolls that:
- Have a calcic or petrocalcic horizon that has its upper boundary within 100 cm of the mineral soil surface; and
- In all parts above the calcic or petrocalcic horizon, after the materials between the soil surface and a depth of 18 cm have been mixed, either are calcareous or have a texture of loamy fine sand or coarser.
|
|
|
Other Cryolls. |
Source:
Keys to Soil Taxonomy, Eighth Edition. 1998.
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