The paper focuses on the mutual influence of moisture, salinity, and particle-size distribution on soil permittivity. The Agilent E8663B Analog Signal Generator is used for measurements in the frequency range of 8 to 18 GHz using the coaxial method. It is found that the maximum amount of bound water in soil depends on the soil type and is 15.9 and 13.7% for CuSO4 and NiSO4 35 mg/kg each, respectively. A 12% growth in the silt and clay content provides a 1.3% increase in the maximum amount of bound water in soil.
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Volkova, M.A., Kochetkova, T.D. Dielectric Properties of Soils Contaminated with Heavy Metal Salts. Russ Phys J 66, 779–784 (2023). https://doi.org/10.1007/s11182-023-03005-z
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DOI: https://doi.org/10.1007/s11182-023-03005-z