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Electro-Geophysical Methods for Soil Survey of Agricultural Lands
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 22nd EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, Mar 2009, cp-157-00021
Abstract
Geophysical methods measuring electrical conductivity (EC) and resistivity (ER) are important for soil survey and can provide information about soil subsurface quickly and non-destructively, with minimal sampling, and in the range of depths. Compared with electromagnetic methods and ground penetrating radar, methods of EC/ER measured with direct current and four-electrode probe have fewer limitations and were successfully applied on clayish and saline soils as well as on highly resistive Alfisols and Spodosols.