Deep ploughing and fertilizing device for saline-alkali land improvement

The invention provides a deep ploughing and fertilizing device for saline-alkali land improvement, and relates to the field of deep ploughing and fertilizing devices. The deep ploughing and fertilizing device for saline-alkali land improvement comprises a working plate, pulleys are fixedly connected to the lower side of the working plate, a fertilizing unit is arranged on the lower side of the working plate, a suction unit is arranged on the upper side of the working plate, two rectangular holes are formed in the lower side of the working plate, and a first fixing frame is fixedly connected to the upper side of the working plate; the suction unit comprises a first fixing frame, a second hydraulic cylinder is fixedly connected to the upper side of the first fixing frame, a plowshare is fixedly connected to the output end of the second hydraulic cylinder, the suction unit comprises a second fixing frame, the second fixing frame is fixedly connected to the upper side of the working plate, and a first hydraulic c