Fecha de publicación: 04/06/2021 Fuente: Wipo "precision agriculture" .The invention discloses an environment-friendly precise agricultural fertilization device, which comprises a vehicle body and a discharging port. Wheels are installed at the four corners of the bottom end of the vehicle body, a regulation and control structure is arranged at the top of one side of the vehicle body, and a fertilizer box is installed on the side, close to the regulation and control structure, of the top end of the vehicle body. A discharging opening is formed in the side, away from the fertilizer box, of the top end of the vehicle body, a discharging structure is arranged in the middle of the discharging opening, the discharging structure further comprises a discharging barrel, the discharging barrel is arranged in the middle of the side, close to the fertilizer box, of the discharging opening, and a discharging pipe is arranged on the side, close to the fertilizer box, of the discharging barrel. According to the environment-friendly precise agricultural fertilization device, an adjustable-speed motor drives a worm to rotate, and fertilizer is pushed to the discharging pipe, so that fertilization is completed. Meanwhile, the rotating speed of the adjustable-speed motor can be adjusted and controlled by controlling a frequency converter, so that the running speed of the worm is controlled, the amount of the fertilizer can be accurately adjusted and controlled, unnecessary waste is reduced, and the fertilizer is saved.