Multifunctional corn sowing machine

The invention discloses a multifunctional corn sowing machine. The multifunctional corn sowing machine comprises a motor tractor front and a sowing rack. The motor tractor front pulls the sowing rackto move forwards, and the sowing rack is provided with a stubble cutting mechanism, a ridge cleaning mechanism, a fertilizing mechanism, a sowing mechanism, an earthing mechanism and a compacting mechanism in sequence. By means of the multifunctional corn sowing machine, all the corn sowing processes which specifically include raw ridge stubble cutting, ridge cleaning, fertilizing, sowing, fillingand compacting filling can be completed at a time simply by using the motor tractor front to walk across land once, and the efficiency of sowing corn can be greatly improved. By means of the multifunctional corn sowing machine, a feeding screw is adopted for fertilizing, the fertilization amount and the fertilization speed can be controlled, a turntable is adopted for feeding during sowing, the sowing amount and the sowin