Paddy rice has strong hygroscopicity, prone to sprouting, and about 23% of water will sprout bud ring; and the high temperature resistance is poor, when the temperature is too high, it will accelerate aging and quality deterioration. Among them, japonica rice is more stable than japonica rice, japonica rice is more stable than japonica rice. After harvesting, rice has high moisture content, many impurities, and high temperature. Germs, microorganisms, and pests can easily reproduce and infect. There are more than 20 kinds of pests harmful to rice such as corn elephants, rice elephants, valley robbers and wheat moths. According to these characteristics of rice, the following methods should be taken during storage: 1. Cleaning and cleaning. After harvesting, rice generally contains ash, alfalfa granules, weeds, spikes, pods, etc. These impurities have high moisture content and strong hygroscopicity, so that the porosity of grain piles becomes smaller, and the internal heat accumulation is not easy to disperse. The pests are easy to be distributed. Infection and reproduction. Therefore, these impurities should be removed by sieving, wind-lifting, etc., and the impurity content should be reduced to less than 0.5% to improve the stability of rice storage and lay a foundation for safe storage. 2, dry precipitation. After removing the impurities from rice, dryness, drying, drying, etc. shall be used to dry the precipitation immediately to make it safe to store moisture. The safe storage of paddy water varies slightly depending on the variety. Indica rice can be higher, japonica rice should be lower, and japonica rice should be lower, generally 15%, 14%, and 13%, respectively. 3, double low storage. Accumulation of poor thermal conductivity of paddy rice, can use the favorable opportunity to cool down the temperature after autumn cool, open the warehouse doors and windows, container mouth ventilation cooling, conditional exhaust fan can be used to reduce temperature and precipitation, so that the grain temperature reduced to 15 °C below, and capping Sealed, low temperature, low oxygen storage, reduce the influence of outside temperature and humidity, enhance storage stability. The specific method is to seal the low-temperature rice grain surface with a plastic cloth, and the plastic cloth sticks to the wall, causing oxygen deficiency in the rice. Or the warehouse doors and windows are closed with plastic cloth, causing oxygen deficiency in the warehouse, reducing the respiratory intensity of rice, preventing the formation of a large amount of hot and humid gas to cause condensation, and preventing pests and diseases. If a small amount of rice is stored in the container, a large plastic bag can be placed in the container after the temperature is lowered. After the rice is packed, the bag is fastened or burned so that the bag is in an oxygen-deficient state. After the rice is filled in the container, The grain surface is sealed with a plastic cloth and the container is covered. In this way, rice can not be flooded, dewing, bugs, or mildew.
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