我县地处杭州湾南岸,是一个经济作物地区,每年保管的大米在2万吨左右,为了确保大米储藏安全,我们从实际出发,因地制宜,从1969年开始,对大米进行了“自然低温,密闭、干剂吸湿”的土办法保管,使我县保管的大米年年安全度梅过夏。近几年来,我县用此法保管的自然低温大米每年在1万吨左右。实践证明,用此法保管大米, My county is located in the south bank of Hangzhou Bay, is a cash crop area, annual storage of about 20,000 tons of rice, in order to ensure the safety of rice storage, we proceed from reality, according to local conditions, from 1969 onwards, the rice was “natural low temperature, Airtight, dry agent moisture ”approach to the soil custody, so that the safety of rice stored in the county every summer plum summer. In recent years, my county uses this method to keep the natural low-temperature rice at about 10,000 tons annually. Practice has proved that this method of custody of rice,