Auxiliary fertilization device for citrus planting

The utility model discloses an auxiliary fertilization device for citrus planting, which comprises a positioning rod and a casing, the positioning rod is hinged with a limit block, the limit block is fixedly connected to the lower side of the casing, a fertilizer cylinder is arranged on one side of the casing far away from the limit block, a lower end opening of the fertilizer cylinder is communicated with the casing, a valve is arranged at the opening, and a motor is slidably connected in the casing. The motor is connected with the drill bit, a first connecting rod is fixed to the upper side of the motor, a second connecting rod is hinged to the upper end of the first connecting rod, a pressing rod is hinged to the upper end of the second connecting rod, a fixing frame is fixedly connected into the fertilizer barrel, and stirring blades are rotationally connected to the lower side of the fixing frame. By changing the position of the pressing rod, fertilizer is applied into the holes and covered with soil, re