The safe storage technology of wheat The improper storage of grain will lead to the occurrence of grazing, rodent bite, mildew, etc., resulting in huge food losses. The storage of food can start from the following aspects. First, strictly control the moisture. Due to the strong moisture absorption capacity of wheat, moisture should be taken care of during storage. Should take full advantage of the high temperature conditions of wheat harvested after the summer exposure, so that the moisture content of wheat control in 12.5% ​​or less, and then go into storage. After wheat is put into storage, measures should be taken to prevent moisture, and attention should be paid to moisture stratification and upper-layer “top-up†phenomena that may occur during ripening. Second, control pests. Farmers' storage is vulnerable to pests in the warehouse. To this end, introduce the following pest control measures: 1. Exposure. Before the grain is put into storage, choose sunny days to be exposed to 3 to 5 cm thick exposure on the cement field. At noon, the grain temperature can reach 45°C, drying for more than 4 hours, turning once per hour, and killing the moths such as wheat moths and guinea pigs, as well as repelling corn elephants. 2. Low temperature insecticide. In the northern and high-cold areas, the food stalls are chilled outdoors in winter or early spring, and the stacking thickness is based on the temperature within the grain layer below 0°C, and freezing for more than 6 hours can kill corn elephants and corn hulls. 3. Buckwheat leaf pests. The buckwheat leaves are dried to a half dry state. When storing grain, put a layer of bitter buckwheat leaves on every 15 cm thick layer of grain. To cover the seeds strictly as a standard, stack three layers, and put the top layer of bitter buckwheat leaves thicker. Can also be buckwheat leaves, fruit crushed by 0.4% of food quality layered in the grain heap, the last layer of appropriate sprinkle. 4. Rosin pest control. After crushed, the rosin was placed in a gauze bag, placed in a storage container, and finally sealed with a plastic film. Usually 500 kg of food is divided into 3 layers of 0.5 kg of rosin. 5. Wormwood pest control. As long as there are scented wormwood can be used to prevent insects. Put a layer of dried wormwood on each 15cm grain layer and stack 3 layers. Each layer is covered with strict food. In addition, wormwood may be replaced by Chinese herbal medicines that have insecticidal and anthelmintic effects such as Litsea cubeba, eucalyptus leaves, vermonia, calamus, and the like. 6. Orange peel, red pepper, ginger pest control. The three substances are dried and crushed and can be mixed in equal or unequal amounts. Each bag is packaged in 50 grams of gauze, and 500 kilograms of food is distributed in three layers of 10 bags. The plastic film is sealed and stored. In certain areas, aromatic plants such as peppercorns, aniseed fennel, and cumin can be used to replace one of them. 7. Stem pest control. The tobacco stem contains nicotine, nicotine and other toxic substances, which can control a variety of granary pests. Stored in earthworms, put chopped stalks 10 cm thick at the bottom and upper part of the clam; store in the crock, put the chopped tobacco on the grain surface, and seal with plastic film after capping. In this way, the new grain can be kept for 8 months without insects. 8. Torreya leaf pests. Put a fresh citron leaf in the grain tank or grain bag to prevent pests. Can also be sun dried crushed citron leaves according to the quality of storage of 0.5%, mixed into the food. Toon leaves are often replaced better. 9. Biogas pest control and extermination. Regularly passing biogas into the grain or grain tanks and then sealing the grains or grain tanks can prevent pests from invading and kill pests that have invaded the grain storehouse. In order to allow the biogas to quickly infiltrate into the grain pile, a porous bamboo canopy around the bottom without holes can be inserted into the grain heap, and then the biogas can be passed into the bamboo tube for 10-20 minutes to kill the insects. When food is piled up in bags, it is first sealed with plastic film and the biogas is closed. Third, low temperature sealed storage. Although wheat can withstand high temperatures, but continued storage at high temperatures will reduce the quality of wheat, so after the fall of the wheat can be natural ventilation or mechanical ventilation, to make it fully cool, and before the spring to seal the lid to maintain a low temperature. Low-temperature storage is the basic method for long-term safe storage of wheat. It can not only prevent insects and mold, but also maintain good germination power and technological quality of wheat, and reduce the loss of respiration and other decomposition caused by food.
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