Nauka Przyroda Technologie

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Andrzej Mocek, Wojciech Owczarzak
Soil as an element of natural environment

Soil is an important and significant element of the biosphere. It makes up the surface (1.5-2.0 m) part of lithosphere developed from an appropriate parent rock (parent material) under the influence of other soil-forming factors and processes. Evaluation of soil agricultural value and usefulness, as well as its membership in appropriate taxonomic units can be performed on the basis of a soil profile or pedon which illustrate the arrangement and properties of individual genetic horizons. These horizons form a three-phase system which consists of: a solid phase (organic and mineral parts), liquid phase (soil solution) and gaseous phase (soil air). In near-surface horizons, the solid phase usually occupies approximately 50%, while the remaining 50% is shared by liquid and gaseous phases whose volumes remain labile within the above-mentioned 50%. Apart from the characterisation of individual constituent parts of humus horizons, another important issue is the assessment of soil resources. This refers, both, to the so called natural classification (taxonomies) widely applied all over the world (Soil taxonomy... 1975, WRB), as well as in Poland (Polish Society of Soil Science) and functional classification (soil valuation) applied at home and abroad.

Key words: soil, profile, pedon, diagnostic horizons, humus
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For citation:

MLA Mocek, Andrzej, and Wojciech Owczarzak. "Gleba jako naturalne środowisko przyrodnicze." Nauka Przyr. Technol. 4.6 (2010): #85.
APA Andrzej Mocek, Wojciech Owczarzak (2010). Gleba jako naturalne środowisko przyrodnicze. Nauka Przyr. Technol. 4 (6), #85
ISO 690 MOCEK, Andrzej, OWCZARZAK, Wojciech. Gleba jako naturalne środowisko przyrodnicze. Nauka Przyr. Technol., 2010, 4.6: #85.
Corresponding address:
Andrzej Mocek
Katedra Gleboznawstwa i Ochrony Gruntów
Uniwersytet Przyrodniczy w Poznaniu
ul. Szydłowska 50
60-656 Poznań
Accepted for print: 18.10.2010