Fertilizing device

The utility model relates to the technical field of agricultural machinery, in particular to a fertilizing device which comprises a fertilizing barrel, a supporting frame, a dryness protection mechanism and a soil grooving mechanism, the fertilizing barrel is fixedly connected to the upper surface of the supporting frame, and a sealing cover is rotatably connected to the upper surface of the fertilizing barrel; the dryness protection mechanism comprises a fixing support, a dehumidifier, a rotating shaft and a fertilizer stirring blade, the fixing support is fixedly connected to the upper surface of the supporting frame, and after fertilizer needing to be applied is put into the fertilizer applying barrel, on one hand, the rotating shaft is controlled to rotate through a motor; the fertilizer stirring blades on the outer side of the rotating shaft continuously stir the fertilizer in the fertilizer applying barrel to prevent the fertilizer from being bonded into blocks, and the dehumidifier absorbs moisture in