Self-servicing hydraulic tensiometer with electrical switching a
Sensor system
Sensor system
Smart water timer
Soil moisture control system and method
Soil Moisture monitor
Soil moisture sensing apparatus for preventing overwatering
Soil moisture sensor and controller
Solar powered programmable valve and methods of operation thereo
Sprinkler flow control systems
Sprinkler system controller
Stand-alone mechanical device for controlled watering
System for controlling fluid flow
System for optimum irrigating and fertilizing