Traditional Culture Encyclopedia - Weather inquiry - Should the wheat barn open or close the window in autumn?

Should the wheat barn open or close the window in autumn?

Depending on the situation, it can be sealed or ventilated.

It is a traditional wheat storage method in China to store wheat in a sealed warehouse while it is hot. Through exposure, the water content of wheat can be reduced, and at the same time, in the process of exposure and sealing of warehouse, the effect of high temperature insecticidal sterilization can be obtained. It can promote the completion of after-ripening of newly harvested wheat. Because of the elimination of pests, the water content and bacteria content of wheat are reduced, and the respiratory intensity is greatly weakened, which can make wheat safely stored for a long time.

The concrete operation methods of high-temperature storage of wheat are as follows: in midsummer, in sunny and high-temperature weather, Ma? Wenn will be sun-dried to about 50℃ for more than 2 hours, and the moisture will drop below 12.5%; Pile it up around 3 pm, put it in the warehouse while it is hot, cover it, and seal the whole warehouse, so that the grain temperature will be above 40℃ for about 10 days, and no one will die in the sun. After achieving the purpose, according to the situation, it can continue to be sealed or ventilated.