New method for storing wheat pests and molds
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After the wheat is harvested, it is in a season of high temperature and high humidity. Once it is improperly stored, it will be susceptible to mildew. Now introduce several new technologies for safe storage of wheat: Agricultural film sealed storage method: Use a thick plastic agricultural film, according to the number of stored wheat, cut into a cylindrical backup (seam with iron can be hot). Select high temperature weather, dry the wheat in the drying field to open 3-5 hours, so that the water content of wheat is reduced to 12% or less, the trend to install sacks or woven bags. Place the tubular agricultural film horizontally in the warehouse, and then put the wheat bags into a plastic tube and tie them tightly. For 7-10 days, it will have the effect of insecticidal sterilization. Hypoxia storage method This is a kind of natural anoxic storage method that uses the characteristics of long wheat ripening period, high grain temperature after being put into the cylinder, and vigorous breathing. The oxygen in the tank is gradually reduced due to the breathing of wheat. The carbon dioxide content can be increased by 2%-5% in 10 days or so, and for a period of time, the insects can suffocate. The heat-accumulation method was chosen to be sunny. After the temperature of the drying field was raised at 9:00 am, the wheat was first spread on the drying floor, and then the storage was moved out to dry. The wheat must be diligently turned so that the temperature of the wheat is increased to 48°C-50°C, the moisture content is reduced to less than 12%, and the heap is collected at 3 p.m., heated for a half hour, and immediately placed in a storage facility, and then sealed with a film to maintain the grain. Temperature above 40°C for 8-40 days can kill pests. Chemical storage method For the new wheat that is not able to control pests by natural anoxic methods, after the tank is put into the tank, two pieces of aluminum phosphide are wrapped with gauze and then evenly ploughed into the grain tank with a fine bamboo stick. If wheat is packed in bags, the aluminum phosphide wrapped in cloth can be directly placed between the bag and the bag, and then sealed with a plastic sheet. In general, 4 grams of aluminum phosphide is used per ton of wheat.