甘薯是我省的主要粮食作物之一,它具有高产稳产,抗灾能力强,适应性广,用途多等优点。但是,它的皮薄、块大、含水分多,组织脆嫩,易感染病,不耐贮藏,是其缺点。每年因收获、贮藏不得法,造成腐烂损失都相当惊人。据实践经验,做好收获和安全贮藏的关键是注意五防,即防病、防伤、防冻、防湿、防闷。第一,防伤收刨、装运和入窖过程中,一定要轻刨、轻装、轻运、轻放、严防破损和折断,破伤越多,发病腐烂越重,破伤折断20—30%,发病 Sweet potato is one of the main grain crops in our province. It has the advantages of high and stable yield, strong resilience, wide adaptability and many uses. However, its thin, large block, containing more water, crisp tissue, susceptible to disease, intolerance storage, is its drawback. Each year due to harvest, storage is not law, resulting in loss of decay are quite astonishing. According to practical experience, the key to good harvest and safe storage is to pay attention to five anti-disease, anti-disease, anti-injury, antifreeze, moistureproof, anti-stuffiness. First, anti-scratch income planing, shipping and into the pit process, be sure to light planing, light equipment, light transport, light, to prevent damage and breakage, more bruises, the more the incidence of decay, broken broken 20-30% , The incidence