Freshly-packed onions are wrapped in fresh-keeping bags and put directly into the refrigerator, usually for a month or even months (depending on the temperature of the refrigerator, the temperature of my refrigerator is generally adjusted to 10°C).
If the onion begins to sprout, you should choose to eat it once. If it is rotten, it must be firmly discarded. Because when the skin starts to rot, his nutrition is already running out, and there are many substances that are harmful to humans.
Onion and Garlic Storage and Preservation Technology
1. Select the appropriate harvest period
Onions should be yellow on the near-ground leaf, pseudo-stem lodging, bulb epidermis dry, showing a unique color when harvesting; garlic should generally be harvested 20-30 days after harvesting garlic bulbs is appropriate.
2. Drying and packing
The harvested onions and garlic should be fully air-dried in a ventilated and sunny place, remove mechanical injuries, pests and diseases, poorly developed onions and garlic, leave false stems, and retain heads for storage. Garlic and onion heads are stored in baskets or net bags for storage.
3. Warehouse disinfection
The onion and garlic must be thoroughly cleaned before storage in the warehouse. There is a warehouse fumigant for fumigation treatment. In the application, the ct-high-efficiency warehouse disinfectant is first applied at 3-5 g/m3, and the multi-sites are placed in the warehouse. In the match, a large amount of smoke was emitted after the cigarette was lighted, and doors and windows were closed for 4 hours.
4, storage storage
Before the storage of garlic and onions, the temperature should be reduced to about -1°C. The storage amount should not be too large every day. The storage capacity should be 10% to 20%. When stacking, there must be ventilation channels. After the library is full, use fruit and vegetable tobacco. Fumigation of fumigants prevents rot during storage. In the storage process, the onion requires the storage temperature to be maintained at 0°C±0.5°C. The garlic requires the storage temperature to be kept at -2.5°C±0.5°C and the relative humidity maintained at 70%-75%. The warehouse is often ventilated. If the humidity in the warehouse is high, In addition to the choice of sunny ventilation, you can also sprinkle lime powder on the ground.
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