A system for remote moisture monitoring and control includes: a measurement vehicle, including a vehicle body, a vehicle control unit, a transmitter antenna, and a receiver antenna； a moisture control server, including a processor, a non-transitory memory, an input/output, and antenna manager, a multi spectrum analyzer, a sensor manager, an irrigation manager, a soil simulator and a data bus； a vehicle storage facility； an irrigation controller； irrigation valves； a mobile control device； ground sensors. Also disclosed is a method including piloting measurement vehicle； obtaining moisture measurements, including controlling outbound transmission, determining reflected power, calculating dielectric constant via reflection calculation, determining soil moisture via lookup in soil calibration table； obtaining sensor measurements； calculating soil model； and adjusting irrigation.
