Also, common soil resistivity meters – which operate on small voltage and significant frequency – are only reputable for electrode spacings up to 15 meters for most soils, in addition to a most of 30 meters. It can be labeled into dense, medium dense, or loose groups which happen to https://camping-hiking-outdoors20517.qodsblog.com/32239754/top-guidelines-of-soil-resistivity-testing-companies-bangladesh