Sweet potato seedling growing method suitable for center area of Guizhou

The invention discloses a sweet potato seedling growing method suitable for the center area of Guizhou. The method comprises the steps of (1) soil preparation and seed bed making, (2) seed bed and greenhouse sterilization, (3) sparse arrangement of mulching films, (4) light temperature management, (5) water and fertilizer management, and (6) seedling picking. The sweet potato seedling growing method suitable for the center area of Guizhou is selected and designed according to the conditions of the center area of Guizhou, operation at all seedling growing stages is optimized, all steps are selected reasonably, and thus seedling emergence speed, the output of seedlings and the quality of the seedlings of sweet potatoes can be effectively improved.