Vasileios D. KoufogeorgosKyriakos TsiakmakisVasileios VassiosMaria S. PapadopoulouGeorge KokkonisStefanos StefanouArgyrios T. Hatzopoulos2026-06-052026-06-052026https://dspace.iee.ihu.gr/handle/123456789/12996https://orcid.org/0009-0006-8922-4888Design and Experimental Evaluation of a Low-Cost Dual-Frequency Sensor for Soil Electrical Conductivity and Moisture EstimationElectronicsjournal-article