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- These soils have the general properties specified for the Podzolic order and the Humic Podzol great group. They differ from Orthic Humic Podzols by having an ortstein horizon at least 3 cm thick. An ortstein horizon is a Bh, Bhf, or Bf horizon that is strongly cemented and occurs in at least one-third of the lateral extent of the pedon.
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Ortstein horizon: This strongly cemented Bhc, Bhfc or Bfc horizon is at least 3 cm thick and occurs in more than one-third of the exposed face of the pedon. Ortstein horizons are generally reddish brown to very dark reddish brown.
- Horizons
The horizon description system begins by splitting soil...
- Brunisolic
Brunisolic soils are one of three soil orders for forested...
- Soil Formation
Soil formation (also termed soil genesis or pedogenesis) is...
- Organic
Shallow organic soils over mineral soil or bedrock may have...
- Horizons
Four types of cemented layers are found in Podzolic soils: Ortstein horizons, Duric horizons, Placic horizons, and fragipans. The first three are denoted with a c suffix (for example, Bhfc, Bfc, BCc) and fragipans are assigned an x suffix (Bx, BCx).
Ortstein, placic and duric horizons of Podzolic soils, and a layer cemented by CaCO 3 are examples. ca - A horizon of secondary carbonate enrichment in which the concentration of lime exceeds that in the unenriched parent material.
May 1, 2011 · There are at least three soil series classified as Andisols that have ortstein-like horizons that are <50% cemented with Fe, Al and Mn. These include the Getchell, Hoquiam, and Hoko series, which are classified as Haplocryands, Fulvudands, and Durudands, respectively.
- James Bockheim
- 19
- 2011
- 01 May 2011
Placic Humo-Ferric Podzols usually have L, F, and H or O horizons and an Ae horizon. They do not have an ortstein horizon but may have a duric horizon or a fragipan. Evidence of gleying in the form of dull colors or mottling is commonly apparent especially above depressions in the placic horizon.
Usually Ortstein Humic Podzols have L, F, and H or O horizons and an Ae horizon. They may have mottling that indicates gleying at any depth within the control section and placic or duric horizons or a fragipan.
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The Wallace series consists of very deep, well drained soils formed in sandy deposits on dunes, lake plains and outwash plains. Permeability is moderate or moderately rapid in the ortstein layer and rapid through the remainder of the pedon. Slopes range from 0 to 60 percent.
