历年来我县保管粮食、油料都是使用砻糠、芦席等作为粮堆的垫底物,防止底层粮食吸湿霉变,对粮油安全保管起到了一定的作用。由于芦席大糠本身具有吸湿性,防潮性能不理想,使底层粮食不同程度地存在着增大水分或吸湿霉变等现象,特别是地坪返潮的仓库这种现象更严重。为了克服上述弊病摸索新的垫底方法,我们于1984年至1986年在马厂粮站,对该站的9号仓1000吨散装小麦采用了聚乙烯塑料薄膜垫底和砻糠垫底保管对比试验(该仓为两个廒间,其中一廒间用薄膜垫底,另一廒间用砻糠垫底)。通过近二年的保管结果证明,采用薄膜垫底效果好,不但避免了上述问题,而且解决了下层粮油品质迅速劣变的问 Over the years my county to keep food, fuel oil is the use of bran, reed and so on as the mat substrate, to prevent the bottom of food hygroscopic mildew on the safe storage of grain and oil played a role. Due to its own hygroscopicity, the hygroscopic property is not ideal, so the underlying food to varying degrees, there is increased moisture or hygroscopic mildew and other phenomena, especially the floor damp warehouse this phenomenon is more serious. In order to overcome the above shortcomings to explore a new method of bottoming, we 1984-1986 at Ma Chang grain station, the station of the 9th position of 1000 tons of bulk wheat using polyethylene plastic film at the end of the bottom and the bottom of bran storage contrast test (the warehouse For the two rooms, one between the bottom of the film with a film, the other end of the room with bran bottom). Through the past two years of custody results show that the use of film at the end of a good effect, not only to avoid the above problems, but also to solve the quality of the lower the quality of grain and oil quickly asked