Portable automatic fertilizer applicator

The utility model discloses a portable automatic fertilizer applicator which comprises a rack, the rack comprises a hollow vertical rod and a hopper, the hollow vertical rod is connected with a motorand a motor control box, a material storage cavity is arranged in an inner cavity at the middle lower part of the hollow vertical rod, a rack motion channel is arranged at the upper part of the material storage cavity in the inner cavity of the hollow vertical rod, and a discharging channel is arranged at the bottom of the hopper. A rack is arranged in the rack motion channel, a gear is connectedto an output shaft of the motor, a plug installation plate and a plug rotating hole located in the side wall of the hollow vertical rod at the bottom of the plug installation plate are arranged on thelower portion of the hollow vertical rod, a rotating plug is arranged at the bottom of the plug installation plate, and a storage battery and a motor forward and reverse rotation controller are arranged in the motor control bo