Soil moisture influences both hydrological and agricultural processes, and is part of the water and energy cycles through evapotranspiration. It has impacts the climate system through atmospheric feedbacks. With the measurements, able to track and predict potential droughts and floods/runoff events. Moisture in the soil feeds all organisms (plants, plant roots, and animals). It carries nutrients into the soil that promotes plant growth.
Source: spaceport9/Bigstock.com