Water and fertilizer integrated sprinkling irrigation device for potatoes

The utility model discloses a potato water and fertilizer integrated sprinkling irrigation device which comprises a bottom plate frame, a mixing barrel is installed at the top of the bottom plate frame, a fertilizer tank and a water tank are installed at the top of the mixing barrel, scale strips are arranged on the side faces of the fertilizer tank and the water tank, and valves are installed at the connecting positions of the fertilizer tank and the mixing barrel and the connecting positions of the water tank and the mixing barrel. An upper-layer mixing cavity and a lower-layer driving cavity are formed in the mixing barrel, a stirring mechanism is mounted in the mixing cavity and the driving cavity and comprises three stirring shafts, a plurality of stirring rods are equidistantly arranged on the three stirring shafts, a water pump is arranged at the bottom of one side of the mixing cavity, one end of the water pump is connected with a conveying pipe, and a spray head is mounted at the tail end of the conv