The use of dichlorvos for fumigation during the storage of grain, or the introduction of pesticides in food, can protect food from pests, but it causes pollution to food and the environment to varying degrees. The safe and reliable grain storage method is described below. 1. Sun-dried grain: Newly laid grain, sun dried to a safe moisture level equal to or lower than that required for storage grain. 2. Cylinder: Clean the pre-prepared tile cylinder, put the dried grains into the tank, and stop at 5 cm from the tank. 3. Placing paper: Take the old newspaper and cut it into a round shape. Its diameter is equal to the inner diameter of the cylinder and it is laid in the cylinder to prevent the food from being contaminated by plant ash. 4. Sprinkle the ash: Use rough or fine sifting to ash or crop ash ash fine or fine sieve, sprinkled into the cylinder, according to the actual, thick 5 cm. 5. Stamping: Add a wooden cover or iron cover, old pot to the tank. Normal storage for more than 1 year is no problem. It should be noted that: 1 The food that has been laid down is placed outside for a long time, and the pests will invade, and they will be infested when they reload their tanks for storage. Therefore, it should be stored immediately after drying. 2 After the harvest of autumn corn, farmers are still accustomed to pile corn cobs on the roof, or stored in a fence and dried, then threshed in the spring. Before the threshing, the insects will not be born, but they will be prone to insects after threshing. So threshing should be stored in the tank immediately. (Hebei Zhaoting, Xujiadian, Laoting County, Hebei Province)
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