Quantitative fertilization device for plant fertilization

The utility model belongs to the technical field of agricultural fertilization, particularly relates to a quantitative fertilization device for plant fertilization, and provides the following scheme aiming at the problems that the quantitative property of fertilization cannot be ensured and the survival rate of plants is influenced in the background technology: the quantitative fertilization device comprises a material storage pipe, and a discharge nozzle is arranged on the outer wall of the bottom of the material storage pipe; a vertical rod is slidably connected to the inner wall of the storage pipe. Under the springback effect of the spring, the piston at the bottom of the vertical rod can be reset to the initial position every time, so that the volume of fertilizer entering the material storage pipe is not changed, quantitative fertilization of the fertilizer is achieved, the fertilization amount of the fertilizer can be accurately mastered, the survival rate of plants is increased, and the yield of the p