Automatic fertilizing device for corn cultivation

The utility model discloses an automatic fertilizing device for corn cultivation, which belongs to the technical field of agricultural planting, and comprises a cart main body, a fertilizing device, a fertilizing device, a fertilizing device and a fertilizing device, and is characterized in that the lower end of the cart main body is provided with a height-adjustable and width-adjustable walking mechanism; the conveying unit comprises a feeding barrel, an auger shaft and a first driving motor, and the feeding barrel is provided with a feeding port and a discharging port; the auger shaft is rotationally mounted in the feeding barrel, and the output end of the first driving motor extends into the feeding barrel; the discharging unit comprises a discharging control box and a discharging pipe, a baffle, a control disc, a supporting frame and a second driving motor are arranged in the discharging control box, the supporting frame is fixedly installed at the bottom of the discharging control box, the control disc i