Accurate Main road substrate cultivation and Hydroponic fertilization machine 5 channel with EC,PH sensors and mobile APP （most suitable for greenhouse accurate planting） 1. Suitable for soilless cultivation and substrate cultivation. Soil-accurate cultivation consists of fertilizer pump, fertilizer channel and flow adjustment system. 2, 5 Venturi fertilization channels, each fertilization channel is equipped with a flow meter and flow regulating valve, which can display the current fertilization flow, single channel fertilizer absorption 100-600L/H, each channel has Israel imported solenoid valve through Accurate calculation automatically adjusts the fertilization flow rate, 2 channel A fertilizer 2 channel B fertilizer, 1 channel acid, 3. Guangdong Lingxiao stainless steel vertical centrifugal booster pump, parameters: flow rate 2m³, head 20m, main pipe diameter 32, pressure 0.1-0.2MPA, main road installation, water and fertilizer synchronization. 4. 10-inch Kunlun transparent aluminum alloy LCD touch screen + high-end industrial-grade Siemens PLC output control, external control of the original irrigation system timing start, including 1 main pump output, 4 irrigation area valves; PLC plus button two control methods, Double insurance is more practical, simple and easy to operate.