Evaluation of the Dielectric Properties of Soil in the Vicinity of Delta State University of Science and Technology, Ozoro, Nigeria

Abstract

A comprehensive understanding of soil electrical properties, particularly dielectric characteristics, is essential for the effective design and implementation of electrical and telecommunication systems, as well as for improving agricultural productivity. This study aims to determine the dielectric properties of soil within the premises of Delta State University of Science and Technology (DSUST), Ozoro, Nigeria. Soil samples were collected from nine strategic locations covering an area of approximately 0.5 km² within the university community. The dielectric constant (ε′), dielectric loss (ε″), and relaxation time (τ) of the samples were evaluated using ASTM-approved standard procedures. The results revealed that the dielectric constant (ε′) ranged from 2.9 to 4.6, with the highest values observed in the central part of the study area. Similarly, dielectric loss (ε″) values varied between 0.8 and 1.15, with peak values also recorded in the central region. The relaxation time (τ) ranged from 3.72 to 4.59, with higher values predominantly observed in the northern part of the study area. These findings indicate significant spatial variability in the dielectric properties of soil within the study area. The results provide valuable insights for applications in agricultural management, geophysical studies, and the design of electrical and communication systems.