Main points about storage methods of cabbage
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(I) Harvesting should be stopped 2-3 days before harvesting. Generally, the early maturing variety is the market in the morning. When the ball has a certain size, it can be harvested in stages by reaching an appropriate level of enrichment. The middle and late-maturing varieties must be fully grown when the leaf ball is reached. When harvesting, it is necessary to leave 1-2 leaves, remove the disease, insect strain or injury strain after harvesting, and place it under the pergola for storage.
(II) Storage Characteristics Cabbage has the same storage characteristics as Chinese cabbage, and because the outer leaf of cabbage has wax powder, it has strong cold resistance and can be stored at a later stage in the storage period. The freezing point of Chinese cabbage is about -0.8°C, and the suitable storage temperature is -0.5°C - 0°C and the relative humidity is 90% - 95%.
(III) Storage and transportation methods
1. Storage (1) The buried trench is about 2 meters wide. The depth of the trench is determined by the climate and the amount of storage. Generally, two layers are piled in the ditch. When piled, the roots are arranged downwards in the ditch. The second layer is placed upwards with the roots facing upwards. The yards are covered with soil. The time, thickness and number of additional soils afterwards are determined by the local climate.
(2) This method can be adopted for the late-maturing varieties that are not yet fully conceived in the preserving of the bag. For example, in North China, use Yangshuo (or control the rectangular ditch) to freeze up the soil before rooting it up. Put the soil in the open field for several days. That is, one tree is rooted downwards, planted [without irrigation, and the amount of water is taken as the wetland, and then it is covered with the outer leaves of the cabbage, covering about 10 centimeters after a week, and reaching the second in the heavy snowfall (early December). Secondary cover soil 12-13 cm; winter solstice (December late) the third time covering 5-6 cm. Cover soil requirements evenly, so as not to heat at thick places, cold at thin places.
(3) In the cellar, the outer leaves shall be placed on the basket after the leaf ball is guarded, and the baskets shall be stacked in the pit with the support of the basket. The size, height, and size of the cellar vary depending on the cellar. There should be room for fall and ventilation. To prevent loss of water, it is also possible to cover the plastic film from top to bottom without sealing. This method of vegetable pressure is small and easy to manage.
(4) The cold storage is generally stored in the cold storage, and the cabbage code of the basket is placed on the layered vegetable rack. The gap between the baskets is properly left, and then the plastic film is covered. The dish can also be packaged into a polyethylene bag with a thickness of 0.03-0.05 mm. The inside of the reservoir is controlled to a suitable temperature and humidity, and the management measures are similar to those of Chinese cabbage. This method of storage, can manually regulate the storage environment, does not fluctuate with the seasons. Storage for 2-3 months is better than other methods. It is easy to infect soft rot during storage, such as applying slaked lime at the base incision, which has a certain preventive effect.
2. Transportation and packaging cabbage cultivation is common, and the amount of listed products is large. It occupies a large proportion in the north dish of Nancai and the east dish of Western cuisine. In addition to the need to strictly control the appropriate temperature and humidity environmental conditions during transportation, packaging should also be reasonably used in order to reduce mechanical injuries, increase ventilation, and protect goods. The main packaging used today is bamboo baskets and plastic baskets, which are easy to stack and load; in winter or early spring, weaving bags can be used to increase the carrying capacity. Transport is mainly based on railways and highways. The management of transportation tools and transportation can be found in the relevant sections of Chinese cabbage.
(IV) Quality standards for listing: Remove the outer leaves, cut off the old roots, and shorten the stems that are too long at the base; pack compact, fresh and clean; no pests or diseases, freeze injury; according to the varieties of large, medium and small three.
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