Macro- and micromorphological features of genetic horizons in a solonetzic soil complex at the Dzhanybek Research Station

The comparative analysis of macro- and microfabrics of soil horizons in a trench crossing a solonetzic soil complex on a virgin plot has shown incomplete correspondence between the macro- and micromorphological features. Solonetzic and solodic horizons and features are differently manifested in diff...

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Bibliographic Details
Published in:Eurasian soil science 2009-03, Vol.42 (3), p.237-250
Main Authors: Lebedeva-Verba, M. P., Gerasimova, M. I.
Format: Article
Language:English
Subjects:
Comparative analysis
Decomposing organic matter
Earth and Environmental Science
Earth Sciences
Genesis and Geography of Soils
Genetic research
Genetics
Geotechnical Engineering & Applied Earth Sciences
Groundwater levels
Humus
Soil horizons
Soil sciences
Soil types
Soils
Studies
Water, Underground
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Summary:The comparative analysis of macro- and microfabrics of soil horizons in a trench crossing a solonetzic soil complex on a virgin plot has shown incomplete correspondence between the macro- and micromorphological features. Solonetzic and solodic horizons and features are differently manifested in different types of soils. The soils of the complex are subjected to continuous transformation dictated by the general trend of the landscape evolution in the Caspian Lowland and by the local changes related to the activity of burrowing animals and fluctuations in the groundwater level. The current trends of evolutionary changes are reflected in the soil microfabrics and salt pedofeatures, whereas more ancient processes are recorded in the properties of the clayey plasma. In the soil of the microlow, the most complete correspondence between the macro- and micromorphological features is observed. At the microlevel, the horizons of this soil resemble the humus-accumulative and metamorphic horizons of dark-colored chernozem-like soils of vast mesodepressions. A variant of the soil evolution within the solonetzic complex is discussed.
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229309030016