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Email this article Classification of brown earths based on field and laboratory properties: Problematic issues and proposition of their solution
Abstract
In this paper, the current problems associated with the classification of brown earths, are presented. According to the Polish Soil Classification (PSC) (1989, 2011), base saturation is the main parameter for identifying eutrophic and dystrophic brown soils. In practice, however, it is not possible to determine the base saturation value in the field. Therefore, the aim of this study was to estimate the base saturation using a regression equation and create a field guide for brown earths, based on the pH value, measured using a Hellige indicator, and the calcium carbonate content. Determination of the pH ranges enabled the classification of brown earth types in the field. These results suggest that pH can be used as a proxy for base saturation especially in the field. A change in the hierarchy of soil (sub)types is proposed for the new Polish Soil Classification.
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DOI: http://dx.doi.org/10.17951/pjss.2019.52.2.225
Date of publication: 2019-11-21 12:59:39
Date of submission: 2018-12-13 10:07:08
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Copyright (c) 2019 Woźnica Karolina, Agnieszka Józefowska, Justyna Sokołowska, Ryszard Mazurek, Tomasz Zaleski
This work is licensed under a Creative Commons Attribution 4.0 International License.