Tree seedling raising tray convenient to assemble

The utility model discloses a portable assembled tree seedling raising plate which comprises a first seedling raising plate, a second seedling raising plate is placed on the upper end face of the first seedling raising plate, and the lower end face of the second seedling raising plate is fixedly connected with a limiting cavity and a limiting plate which are arranged left and right. Positioning rods with one ends extending to the exteriors of the limiting cavities and penetrating through the limiting plates are installed in the two limiting cavities, supporting plates are installed on the left sides and the right sides of the upper end faces of the first seedling raising plate and the second seedling raising plate, and positioning holes are formed in the opposite sides of the two supporting plates. Other seedling raising trays can be placed at the front end or the rear end of the first seedling raising tray, the front threaded holes and the rear threaded holes which are opposite are connected through the thre