Fecha de publicación: 27/04/2021 Fuente: Wipo "precision agriculture" The utility model discloses an environment-friendly precision agricultural fertilizing device which comprises two bases, two symmetrically-arranged supporting columns are fixedly connected to the upper end face of each base, a rotating shaft is rotatably connected between the two supporting columns, a pulley is fixedly connected to the rotating shaft, and the pulley is fixedly connected to the upper end face of the rotating shaft. A rotating motor is fixedly connected to the side wall, away from the rotating shaft, of one supporting column, one end of the rotating shaft penetrates through the supporting column and is fixedly connected to the output end of the rotating motor, pull ropes are wound around the two pulleys, one ends of the two pull ropes are fixedly connected to the two pulleys respectively, and the other ends of the two pull ropes are fixedly connected to the two pulleys respectively. The ends, away from the pulleys, of the two pull ropes are fixedly connected with a working plate together. According to the utility model, fertilization work can be completed when a user does not enter a farmland, so that the use of the user is greatly facilitated, the uniformity of fertilization can be greatly ensured, and the fertilization quality of the farmland is further improved.