Fertilizing device for agricultural planting

The utility model discloses a fertilizing device for agricultural planting, and relates to the technical field of agricultural planting. Comprising a connecting plate, a mounting hole is formed in the top of the connecting plate, a fertilization box is fixedly connected into the mounting hole, a smashing box is fixedly connected to the top of the fertilization box, and a lifting hole is formed in the middle of the inner bottom wall of the smashing box; during use, fertilizer needs to be smashed by a smashing cutter, so that the speed of absorbing the fertilizer by soil is increased, the smashed fertilizer enters the interior of the fertilizing box through a leakage hole and then falls on the soil from a discharge hole in the bottom of the fertilizing box, and in the fertilizing process, an electric push rod needs to be started to drive a connecting block to move up and down, so that the fertilizer is fully applied. When the connecting block moves up and down, the connecting block drives a lifting motor to mov