Insemination and film-overlay one-piece machine of potato

The utility model discloses a potato sowing and plastic mulching all-in-one machine. The bottom of the stander of a sowing machine is provided with a land wheel and a sowingboot; the land wheel is connected with a rotational-speed regulating wheel which is connected with the driving wheel of a seed machine, and the chain of the seed machine is provided with a bowl-type seed machine; the rotational--speed regulating wheel is also connected with a fertilizer regulating disc; the upper part of the stander of the sowing machine is provided with a seed box and one end of the stander is provided with a connecting plate the bottom part of which is provided with a tieridger; the side part of the connecting plate is provided with a plastic mulching machine stander, and the bottom of the plastic mulching machine stander is in turn connected with a ridge-surface reshaper, a ground-cutting disc, a mulching film support shaft, a pressed film soft wheel and an overbarden disc; the upper part of the stander of the plastic m