Detachable suction type water and fertilizer integrated fertilization device capable of circularly diluting fertilizer

The utility model discloses a detachable suction type water and fertilizer integrated fertilizing device capable of circularly diluting fertilizer. The device comprises a fertilizer diluting cylinder, a water inlet of the water pump is communicated with the fertilizer dilution cylinder and a clear water source, a water outlet of the water pump is communicated with a fertilizer output pipe and a water return pipe, the other end of the water return pipe is communicated with the fertilizer dilution cylinder, and the other end of the fertilizer output pipe extends into a field needing to be irrigated. The utility model provides a movable water and fertilizer integrated device which consists of a fertilizer diluting cylinder, a water pump and a pipeline system, and is small in occupied space, convenient to transport, strong in maneuverability and wide in application range; the water return pipe is introduced, in the irrigation process, high-concentration water and fertilizer are added into the fertilizer dilution