Multifunctional potato sowing all-in-one machine

The utility model relates to the technical field of potato seeders, in particular to a multifunctional potato seeding all-in-one machine which comprises a seeder rack, a seeder, a ridger, a ridge surface shaper and a mulch applicator which are sequentially mounted on the seeder rack from left to right. The seeder rack is fixedly connected with a material storage box, the material storage box is located between the seeder and the ridge surface shaper, the bottom end of the material storage box is fixedly connected with a fixed seat, the front end of the fixed seat is provided with a circular groove, the top end of the circular groove is provided with a blanking groove communicated with the interior of the material storage box, and the bottom end of the fixed seat is connected with a fertilizing pipe communicated with the circular groove; the bottom end of the fertilizing pipe extends to the lower part of the seeder rack, and the interior of the circular groove is hermetically and rotatably connected with a mat