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Soil Horizons

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Soil Horizons 

layers created as a result of natural differentiation during soil formation; they are also called genetic horizons. All the soil horizons together form the soil profile. Each horizon is more or less homogeneous in granulometric, mineral and chemical composition, physical properties, texture, and color. It can also be divided into subhorizons. Soil horizons are designated by the letters A, B, and C. A designates the horizon of humus accumulation and also the eluvial horizon; B the illuvial, or metamorphic horizon; and C the parent material. The A horizon in turn is subdivided into A0, indicating forest litter or steppe matting; A1, the humus subhorizon; and A2, the podzolic subhorizon. An Ap horizon is formed in plowed soils.
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As a result, SOC may be sequestered in soil horizons in different forms and states, with varied residence times or turnover intensity and relationships with nitrogen (Batjes 1996; Falloon et al.
Stocks of organic carbon in Estonian soils/Orgaanilise susiniku varud ... by Kolli, Raimo; Ellermae, Olav; Koster, Tiina; Lemetti, Illar; Asi, Endla; Kauer, Karin / Estonian Journal of Earth Sciences
Interpreting a paleosol may be hindered by eroded or partially preserved horizons, complex climatic and environmental histories, and in the case of buried paleosols, alteration of one or more soil horizons by infiltration of material from overlying units.
International year of planet earth 4. Utilizing paleosols in ... by Rutter, Nat / Geoscience Canada
Ridge Soil horizons Predominant vegetation; USDA no.
Soil development on a l,500-year-old beach ridge plain, Sturgeon Bay, ... by Nielsen, Asger H. / Michigan Academician
 
 
 
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