Device and method for improving germination rate of alfalfa under continuous cropping

The invention discloses a device for improving the germination rate of continuous cropping alfalfa and relates to the technical field of seedling culture. Comprising a shell, seedling raising plates are sequentially and fixedly installed on the left side and the right side in the shell from bottom to top, and a charging barrel assembly capable of moving up, down, front and back is installed between the seedling raising plates in the shell; the charging barrel assembly comprises a funnel-shaped charging barrel, the top of the charging barrel is provided with a barrel cover capable of being opened and closed, the outer side of the lower end of the charging barrel is sleeved with a rotating barrel capable of rotating, the bottom of the rotating barrel is integrally connected with a horizontal material guide pipe, and the bottom of the material guide pipe is provided with a first through hole for scattering materials; a husking cylinder is rotationally connected between the two ends of the interior of the materia