Fertilizing device suitable for grape planting

The invention belongs to the technical field of agricultural machinery, and particularly relates to a fertilizing device suitable for grape planting, the fertilizing device comprises a tractor, the rear side of the tractor is hinged with a mounting rack, the mounting rack is of a hollow columnar structure, a hydraulic push rod is hinged between the mounting rack and the rear side of the tractor, the top of the mounting rack is connected with a hopper, and the hopper is connected with a hydraulic cylinder. The hopper communicates with the interior of the mounting frame, a splash-proof cover is mounted at the bottom of the mounting frame, and a discharging hole is formed in the position, opposite to an opening in the bottom end of the mounting frame, of the top of the splash-proof cover. When ditching and fertilizing are carried out, a second poking plate can firstly poke soil on the corresponding side of the top of a ditch into the ditch so as to bury a fertilizer, and when a rotary tool bit is in contact with