Originally posted at ecofarmingdaily.com
Written by Glen Rabenburg and Christopher Kniffen
Traditionally soil consultants have used electrical conductivity to measure salinity, however conductivity can tell us much more about the physical structure and health of the soil. Based on these direct measurements, electrical conductivity can also indirectly measure crop productivity.
When we walk into our home on a dark night, the first thing we usually do is turn on the lights. With the flip of a switch, we complete the electrical circuit initiating the flow of electricity to the light bulb, illuminating our home.