0–0.25 m; Hz: 0–0.75 m; Vz: 0.50–1 m). The inverse distance weighting method was used to generate the spatial distribution thematic layers of electrical conductivity. The statistical measures showed an R2= 0.87; r > 0.7 andp≤ 0.05 on correlation ofECaand SWC. Based on the South Af...