Storage technology of spring onions
Optimum storage temperature: 0 ℃
Relative humidity: above 95%RH
Spring onions, like general leafy vegetables, are suitable for storage in low temperature and high humidity environment. Above freezing point, the lower the storage temperature is, the better (about 0 ℃), and the best relative humidity is 98-100%RH. Therefore, it can be put in a plastic bag with holes, and the green onions are truncated before bandaging, so as to avoid bringing a large amount of waste to the market. If we pay attention to keep the sanitary condition and avoid the invasion of pathogens, there is little difference in the storage period of truncation or not. The marketer may choose to use truncation or not according to the circumstances.
Storage temperature (℃) 051015 room temperature (25 ℃)
Shelf life (days) 18-2610-146104-61-2
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How to dry the chili pepper
First, the timely harvest. The standard of fruit harvest. All the fruits are required to turn dark red. In North China, they are generally harvested during the period from Cold Dew to Frosts Descent. If they are cultivated in a small arch shed or covered with plastic film, they can be harvested early, and if they are planted later, the harvest time can be slightly delayed. But the harvest must be finished before Frosts Descent arrives. Otherwise, the color of dried pepper products will be uneven and the product quality will be reduced after frost. The harvest of Wangtian pepper is generally harvested by pulling or cutting seedlings. After harvest, the pepper seedlings should be laid flat in the field to dry for 4 days, if encountered in the process of drying.
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Prevention and control measures for hollow cracking of celery petiole
During the growth period of celery, especially in the middle and later stage, white spots, hollow, or lateral and longitudinal cracking of petiole often appear on the cross section of petiole. The reasons and solutions are as follows. The soil is boron deficient. This is the main cause of petiole cracking. 0.5 Mu of 1 kg borax is applied as base fertilizer, and once a slight crack is found, 0.2% Mel 0.5% borax aqueous solution can be used for foliar spray, or 0.25% borax aqueous solution can be used to irrigate the root. Improper sowing time or less nitrogen fertilizer. The autumn planting in the open field is too late, coupled with the lack of nitrogen fertilizer, the plant
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