Seedling raising tray for cadmium-reducing cultivation of rice

The utility model relates to the technical field of seedling raising trays, in particular to a seedling raising tray for cadmium-reducing cultivation of rice, which comprises a cultivation box, a cover plate, a storage box, a fixing plate, a feeding plate, a connecting pipe, a plurality of cultivation bins, a frame plate, a lifting plate, two fixing strips and a supporting plate. The fixing plate is mounted in the cultivation box, and a plurality of through holes are formed in the fixing plate; the plurality of cultivation bins are mounted on the bottom surface of the frame plate; a mounting groove is formed in the bottom surface of the feeding plate; the two fixing strips are mounted in the mounting groove, first threaded rods are rotationally arranged on the two fixing strips, and driving motors for driving the first threaded rods to rotate are arranged on the two fixing strips; the lifting plate is rotationally arranged on the two first threaded rods; the storage box is mounted on the cover plate; one end