| http://www.w3.org/ns/prov#value | - Therefore, the bulk dielectric permittivity of soil, and other porous materials as well, depends on the volumetric water content of the tested object.The TDR soil water content calibration function, which expresses the volumetric water content ???? of a sample as a function of its bulk dielectric permittivity, ???? = f(??b), is universal for most mineral soils.
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