Fertilizer tumbrel for increasing corn yield

The tumbril comprises a shell, a through groove is formed in the bottom of the shell, a fixing plate is fixedly connected in the through groove, a plurality of second through holes are formed in the top of the fixing plate, a rotating disc is rotationally connected in the through groove, a first through hole is formed in the top of the rotating disc, and a second through hole is formed in the top of the rotating disc. A gear ring is fixedly connected to the outer side of the circumference of the rotary disc, a protruding block is fixedly connected to the outer wall of the bottom of the shell, a servo motor is fixedly connected to one side of the protruding block, and an output shaft of the servo motor penetrates through the protruding block and is fixedly connected with a gear. Compared with the prior art, the rotary disc can be driven to rotate by starting the gear ring, so that the land is fertilized, the fertilizer does not need to be carried manually, the soil in the field is fertilized step by step, the