Basic Functions: 1) Support local touch screen, PC terminal, mobile APP control, three-terminal data synchronization. 2) Equipped with a 10-inch capacities Android touch screen, which can run and control field valves with 4G network or off-grid. 3) Support PID precise fertilizer adjustment, EC and pH data can be configured in two ways to check each other and accurately detect data, EC adjustment accuracy ±0.5ms/cm, and the stability time is within 60s. 4) Support timed and quantitative fertilization, rotational fertilization, and formula fertilization, which can be linked according to soil moisture. 5) Support fertilization report, program management, and log management. 6) Support up to two local gateways and gateways deployed in the field, and linkage with field valves and sensors. 7) Support access to the reservoir level sensor to realize liquid level monitoring and automatic water supply and discharge management. 8) Support to control the mixing motor of the fertilizer application bucket, and set the mixing motor to work regularly. 9) Support the communication of access to the frequency conversion cabinet, including current and frequency monitoring, automatic voltage regulation function. 10) The early warning logic can be customized, and the early warning will be pushed through the platform and SMS after the early warning is triggered. 11) The re-fertilizer water and post-fertilizer water of each rotation irrigation group can be set. 12) Support up to two local gateways and gateways deployed in the field, and linkage with field valves and sensors.