甘薯大屋窖(又称屋式贮藏库),是在总结徐州地区群众经验的基础上,加以改进提高的一种此较理想的窖型,1963年开始小规模布点示范,1964年秋大规模推广,全区推广14200个,贮藏数量占全专区总贮藏量的65%,平均安全贮藏率为98%,共中有数以千升的贮藏窖腐烂率仅有0.1%左右。徐州地区过去每年甘薯在贮藏期间腐烂率平均为总贮藏量的30%以上,1965年春季调查,全区甘薯腐烂率不足5%。 Large sweet potato house (also known as house-type storage), Xuzhou area is based on the experience of the masses, to improve and improve one of the more ideal type of cellar, small-scale deployment in 1963 demonstrations, 1964 autumn large-scale promotion, The region to promote 14200, the total number of storage capacity of 65% of the total area, the average safe storage rate of 98%, a total of thousands of liters of storage pit decay rate of only 0.1%. In the past, the average annual spoilage rate of sweet potato during storage was more than 30% of the total storage in Xuzhou. In the spring of 1965, the rate of sweet potato rot in the region was less than 5%.