Planting fertilizer applicator

The utility model discloses a planting and fertilizing machine which comprises a fertilizer box arranged on a bottom plate, an infusion pump is installed on the bottom plate, one end of the infusion pump is communicated with a stirring box, the other end of the infusion pump is communicated with a fertilizer spray head, the side wall of the fertilizer box is fixedly connected with an installation plate, the fertilizer spray head is installed on the installation plate, and idler wheels are arranged at the four corners of the bottom end of the bottom plate respectively. The rollers are rotationally connected between the two fixing plates, the fixing plates are fixedly connected to the bottom end of the bottom plate, a first conductive block and a second conductive block are arranged in one fixing plate, a storage battery is arranged on the bottom plate, the storage battery, the infusion pump, the first conductive block and the second conductive block form a power-on loop, and transmission assemblies connected w