NDLI: Electrophysical approach to assessing some cultivation and fertility elements of light soils in the humid zone

Content Provider	Springer Nature Link
Author	Pozdnyakov, A. I. Eliseev, P. I. Pozdnyakov, L. A.
Copyright Year	2015
Abstract	It has been shown that the specific electrical resistance (SER) is an integral parameter of the physicochemical state of light-textured soils, especially of their solid phase properties. First relationships of SER with physical clay content, cation exchange capacity, and carbon content have been obtained and analyzed for light soils of the humid zone. It has been found that the relationships between the SER and the mentioned properties have exponential shapes y = aexp(-bx), where a and b are parameters; y is the SER value, Ωm; and x is the property value. The similar shapes of the equations allow for use of the SER for the assessment of the main cultivation and fertility elements of light soils in the humid zone (contents of physical clay and organic carbon and cation exchange capacity). On the basis of these relationships, a new approach has been proposed to the selection of SER values for drawing ISO-ohm lines delineating relatively homogeneous zones within the areas (fields) studied by electrophysical methods. Therefore, electrical surveys and ISO-ohm maps can find wide use in soil cover survey.
Starting Page	726
Ending Page	734
Page Count	9
File Format	PDF
ISSN	10642293
Journal	Eurasian Soil Science
Volume Number	48
Issue Number	7
e-ISSN	1556195X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-07-14
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	specific electrical resistance anthropogenically transformed light-textured soils humid zone soil mapping degree of cultivation fertility Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Soil Science

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