Control of moisture: Moisture is too large, it is prone to heat and mildew, and it is not resistant to storage. Therefore, the safe moisture of rice is the basis for safe storage. Before entering the warehouse, it should be naturally dried and the water should meet the safety standards (below 14%). Large, should be dried in time.

Removal of impurities: Rice usually contains scorpions, weeds, spikes, leaves, pods and other impurities and pods. These substances have high organic matter content, high hygroscopicity, bacteria, respiratory intensity, and instability. Impurities such as ash also reduce the porosity of the grain piles, and it is not easy to deposit them in the wet heat accumulation piles. These factors are unsafe for storage. Therefore, the impurity content must be reduced to less than 0.5% before storage, which can greatly improve storage stability. .

Timely ventilation: New rice often has strong breathing, high grain temperature or high moisture content. It should be ventilated in a timely manner, especially once the autumn cools, the temperature difference between the inside and outside of the grain pile is large. At this time, ventilation should be strengthened, and the grain moisture and heat must be distributed in combination with deep-transition grain surface. To prevent mildew, conditional mechanical ventilation can be used.

Low-temperature airtight: make full use of the cold and dry weather in winter to reduce the grain temperature to less than 10°C, reduce the moisture content to safety standards, and seal the airtight lid before the spring to allow summer weather.

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