一、防伤。甘薯皮薄,体积大,水分含量高,组织脆嫩,易破皮受损,致使病菌侵入而造成腐烂。因此,甘薯从收获开始到入窖结束,均应认真操作,做到轻刨、轻装、轻运、轻放,尽可能减少薯块破伤。二、防病。甘薯贮藏期间的主要病害是黑斑病 First, anti-injury. Thin sweet potato, bulky, high moisture content, crisp tissue, easy to break the skin damaged, causing bacteria invade and cause decay. Therefore, the sweet potato from the harvest to the end of the cellar, should be carefully operating, so that light shaving, light equipment, light transport, light, as much as possible to reduce tubers broken. Second, disease prevention. Sweet potato disease is the main black spot disease during storage