A brief overview about dielectric parameters of soils

Nagy, Valéria and Kovács, Róbertné (2022) A brief overview about dielectric parameters of soils. ANNALS OF FACULTY OF ENGINEERING HUNEDOARA - INTERNATIONAL JOURNAL OF ENGINEERING, Tome X (Fascic). pp. 85-88. ISSN 1584-2665

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Abstract

Engineering applications may include such investigations, which play important role in the innovative agriculture. Investigations have to be carried out to isolate the effects of specific characteristics through laboratory and field experiments. The most important soil characteristics are moisture content, salinity, organic matter content, bulk density, texture and structure. Continuous and improving innovation in soil investigations is utilising electromagnetic methods (electromagnetic waves) to measure soil parameters. Of course, the parameters can be measured using conventional techniques, too. But dielectric characteristics of soils can be evaluated from both an agricultural and a technical perspective. Undoubtedly, the most significant and easiest to isolate is soil moisture. Dielectric test method can be potentially utilised in agricultural researches. Furthermore, technical education, research, development and innovation provide opportunities for resilience and reinvention. This paper presents how the dielectric parameters of soils characterize and describe the properties of soils, evaluate the effects of soil properties on microwave complex dielectric constants and outlines a dielectric model.

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