The storage characteristics of Chinese cabbage

Cabbage is the largest cultivated area in northern China and has the most storage. After the harvest, except for some of the immediate market and processing, the vast majority need to be stored in order to balance the supply market.
Cabbage is a cold-tolerant vegetable that is more resistant to storage at low temperatures. The suitable storage temperature is 0°C and the relative humidity is 95%-98%.
Chinese cabbage is perishable, stripped and dehydrated during storage. The causes of these losses are not only directly related to the temperature and humidity conditions in the storage environment, but also related to the variety of Chinese cabbage and the cultivation conditions. Generally speaking, late-maturing greens are more resistant to storage. For Chinese Cabbage used for storage, late-maturing and resistant varieties should be selected. During the cultivation, suitable late-planting should be performed to prevent the occurrence of serious pests and diseases caused by early high temperatures. At the same time, it is also possible to prevent the senescence caused by over-concentration and over-exposure to increase the amount of decomposed rot; The application of phosphorus and potash fertilizers reduced the amount of nitrogen fertilizer in the later stage of growth, and stopped watering one week before cutting vegetables. At the same time, it was necessary to pay attention to the prevention and control of diseases and pests in the growing season in order to improve the Tibetan cabbage tolerance.
Doing a good job of Chinese cabbage harvesting and drying is an important part of the storage of Chinese cabbage. The frozen Chinese cabbage is very easy to remove and rot during storage. Therefore, in order to prevent the Chinese cabbage from freezing, it is necessary to chop the vegetables in time, and the cutting is too early to affect the yield. Moreover, the temperature of the foodstuff is high and it is difficult to store in the storage. Increase the loss. Chopping vegetables too late to encounter cold Chinese cabbage will suffer freezing injury.
Appropriate drying before storage can reduce the loss of Chinese cabbage. At the time of harvest, cut about 1 inch in the root length and dry it in the field for 2 to 3 days so that the outer leaves become wilting and become soft. After drying, Chinese cabbage can lose about 10% to 15% of water, which can reduce the loss during transportation and processing. After the Chinese cabbage is dry, it is trimmed on site, cut off the roots of the earth, remove the yellow leaves, tear off the outer leaf ears and scattered over the head leaves, and remove the plants that are not suitable for storage, such as sickness, chopping injury, and bad heart.

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