Soil conditioner spreader and operation method thereof

An operation method of a soil conditioner spreader, the soil conditioner spreader comprising:

• a spreader body, the spreader body is provided with a hopper in a middle part;
• the hopper is used for storing a solid conditioner;
• the spreader body is provided with a spreader rack in a front part;
• the spreader rack is provided with a mulching device on a front end;
• a ridger, a solid application device, two rotary tillage wheels and a liquid application device are successively arranged on the spreader rack from the rear to the front;
• the solid application device comprises a feeding track, a solid tank and two spiral perforated drills;
• the two spiral perforated drills are respectively arranged on both sides of a bottom of the spreader rack and also in front of the ridger;
• the top of the spiral perforated drills extends upward into the solid tank from a bottom of the solid tank;
• the solid tank is provided with a top opening;
• both ends of the feeding track are respectively arranged in the hopper and the top opening of the solid tank;
• the two rotary tillage wheels are respectively arranged on both sides of the bottom of the spreader rack and also in front of the two spiral perforated drills;
• the liquid application device comprises a liquid tank, a connecting pipe and a nozzle;
• the nozzle is arranged at the bottom of the spreader rack and also between the spiral perforated drills and the mulching device;
• the liquid tank is located on the spreader rack above the nozzle;
• top and bottom ends of the connecting pipe are respectively connected with the liquid tank and the nozzle,
• wherein, the method comprising:
• leveling saline land;
• advancing the spreader body and ridging by the ridger;
• transporting the conditioner in the hopper to the solid tank through the feeding track;
• discharging the conditioner from the solid tank to the spiral perforated drill;
• performing, by the spiral perforated drill, deep plowing, rotary tillage and scarification, and applying the conditioner into the soil above a ridge;
• performing rotary tillage on the ridge by the rotary tillage wheel;
• transporting a culture solution of a fungicide or an herbicide/insecticide stored in the liquid tank to the nozzle, and spraying through the nozzle;
• unfolding a head of a whole roll of mulch film hanging on the mulch film clamping groove;
• laying the mulch film along a ridge surface;
• flattening the mulch film horizontally by the mulch film pressing wheel against the ground;
• scraping the soil against an edge of the mulch film to fix the mulch film;
• and
• advancing the spreader body so that the mulch film is gradually lowered, covering the ridge surface.