Wide-adaptability seeder

The invention provides a wide-adaptability seeder, which relates to agricultural sowing machinery. The objective of the invention is to provide the wide-adaptability seeder with the advantages of a simple structure and convenience in removal of a residual material. The wide-adaptability seeder comprises a frame, a seed box, a fertilizer box, a fertilizer applicator, a ditcher, a seed applicator, a covering device and a compacting machine. The wide-adaptability seeder has the following advantages: one side of the bottom of the fertilizer box and one side of the bottom of the seed box are respectively hinged with a support, the other side of the bottom of the fertilizer box, the other side of the bottom of the seed box and the respective supports thereof are respectively provided with a locking mechanism; the wide-adaptability seeder further comprises two material receiving grooves; one of the material receiving grooves is arranged on the frame along the length direction of the fertilizer box, and the position of the upper opening of the material receiving groove is corresponding to the fertilizer box in the state of a maximum inclination angle; and the other of the material receiving grooves is arranged on the frame along the length direction of the seed box, and the position of the upper opening of the material receiving groove is corresponding to the seed box in the state of a maximum inclination angle.