Seedling tray for rice planting

The utility model belongs to the technical field of rice seedling planting auxiliary equipment, and provides a rice planting seedling tray which comprises a main body mechanism and a moving mechanism, the main body mechanism comprises a tray groove, a seedling groove is fixedly installed on the inner surface of the tray groove, and a plurality of seedling planting through holes are formed in the seedling groove. An upper supporting plate is movably arranged on the lower surface in the tray groove, a plurality of upper supporting protrusions are fixedly installed on the upper surface of the upper supporting plate and correspond to the seedling planting through holes respectively, and fixing plates are fixedly installed at the two ends of the upper supporting plate. According to the rice seedling tray, the inserting plates provided with the buoyancy plates are inserted into the fixing grooves, the buoyancy plates are installed on the lower surfaces of the tray grooves, then the treated rice seedling tray is pla