This intelligent fertigation machine, a core component of the irrigation head system, is equipped with 3 fertilization channels with a single-channel flow rate of up to 600L/H, enabling real-time monitoring of fertilizer concentration and water pH/EC via dedicated sensors. It is powered by a 1.1~2.2KW stainless steel fertilizer pump with an injection pressure of 0.3~0.6MPa, and supports control via a 10-inch touchscreen, remote access via cloud platform on mobile phones and computers. The machine features built-in timed fertilizer/pesticide mixing, manual fertilizer flow adjustment, zone circulation, and timed quantitative irrigation, with customizable control software. It also supports expansion to control up to 128 external solenoid valves, making it suitable for various agricultural irrigation scenarios to achieve precise and intelligent integrated water and fertilizer management.