First, the use of bitter buckwheat, paeonol, pepper pest control; buckwheat, paeonol, pepper all contain a kind of volatile substances that can paralyze, expel and kill insects. Use them to prevent pests in stored grains, the method is simple, safe and effective, easy to find raw materials, and will not pollute the food and the environment. The method is: the bitter dong, Dan Pi, prickly ash mash up, 80 grams per 50 kg of food. It is also possible to wrap the applicator with gauze and put it on the surface of the grain; put 50 grams per 30 kilograms of grain, seal it after putting it well. The pepper or fennel is wrapped in gauze and placed in the corners of the grain barrel or grain box. The pest control effect is also very good. Second, the use of kelp to store food; dry sea with a strong ability to absorb moisture, and certain substances in the kelp also inhibit the role of mold and kill pests. Experiments show that after 50 kilograms of grain is put into 0.5 kilograms of dried kelp, the amount of various bacteria is reduced by 60-90% after 7 days; more than 90% of whitefly and moth pests die. The method used for storing grain in kelp is as follows: 1. According to the proportion of 100 kg of grain preserved in 1 kg of dried kelp, dried kelp is placed in grain, and dried or dried after seven days, and then put in food. This method can protect food for a long period of time without becoming moldy or insects. 2. In a ratio of 1:100, dry seaweed is mixed in grain, packed in containers and sealed. In this way, after two years, the quality and color of the food are as before, no pollution, no smell, and kelp can be eaten. This method is particularly suitable for the preservation of wheat and rice. Third, the use of grass ash pest control; dry grass ash can be pest control, but also moisture, farmers have. The method is: the amount of dry grass ash mixed with food, and then into the container, cover it, when the food will clear the ash. This method does not require a sealed container. Therefore, cylinders, common face bags, and woven bags are available. In addition, it is also possible to put dry food in a container and leave it about 5 to 8 centimeters away; place three layers of newspaper on the surface of the grain (do not use plastic film); lay 3-5 centimeters thick dry grass ash on the paper and add it. Cover seal. This method is simple and effective and is suitable for storing raw grains. Fourth, the use of garlic pest control; garlic has the role of repellent, paralytic pests. The method of use is to put the grain in the cylinder, put a few garlic on the surface of the grain, and seal the container with poor sealing (such as common face bag, woven bag, etc.). Put a few garlic in different parts of the grain. The effect is ideal. V. Liquor storage method: Put the bottle on the bottle, wrap it with gauze, and place it in the middle of the grain tank. 50 kg of food can be used with l kg of 60-degree white liquor. After the grain tank is full, seal the cylinder port. This method is not only pest-proof, but also does not pollute the grain and is suitable for storing mung bean, wheat and so on. China Agricultural Network Editor