System for controlling balance of water and fertilizer proportion

A system for controlling water and fertilizer proportion balance comprises a controller, a solar power supply module connected with the controller and a remote control end, and the remote control end is connected with the controller through a wireless module; the controller is connected with an electromagnetic valve, a flow meter, a booster pump and a liquid level sensor; the electromagnetic valve is connected with a water inlet pipe, the flowmeter is connected behind the electromagnetic valve in the water flow direction, the flowmeter is connected with a water outlet pipe, and the booster pump is connected with the water outlet pipe. The booster pump is connected with the fertilizer barrel, the liquid level sensor is arranged in the fertilizer barrel, and the fertilizer barrel and the liquid level sensor are combined into a whole to form an independent device. The problem that when the water pressure of irrigation raw water is insufficient, the water and fertilizer all-in-one machine directly conveys high-co