Hawthorn storage technology

1. Storage Timing Storage Hawthorn's harvesting period is generally in the middle and early October. At this time, the hawthorn fruit enters the ripening stage, and it has the mature form, color, hardness, and flavor. It is the best time for storage. 2. Optimal Temperature and Humidity during Storage The most suitable storage temperature for Hawthorn fruit is O°C. At such temperatures, the fruit's respiratory intensity can be reduced to a lower level without causing disease and physiological pathological changes. The relative humidity in the storage environment is 85% to 90%. Store hawthorn at room temperature and also control carbon dioxide and oxygen content. Carbon dioxide content does not exceed 6%, oxygen content is not less than 3%. 3. Storage methods (1) When the tank farmer stores a small quantity, it can be stored in a cool, roomy, large tank. The specific approach is: first wash the cylinder with water and dry, put a pot of pot at the bottom of the cylinder, the middle of the cylinder put a bundle of straw to facilitate ventilation. Put the selected hawthorn fruit into the tank and place it at a distance of 20 cm from the edge of the tank. Put a level and other fruit on it, and then cover it with cereal straw and other materials. The thickness is equal to the cylinder mouth. After 14 to 21 days, when the fruit temperature drops, generally when the weather turns cold in November, seal the cylinder mouth with kraft paper or slime. The cylinder storage can generally be stored until April of the second year is still not bad. (2) Ditch storage Select the flat and dry terrain, make the leeward sunny, not easy to collect water, and dig storage trenches for convenient transportation. Storage trough should be north-south direction, width of 100 to 120 cm, narrow width on the top. Dig 30 cm from the ground, dig the soil on both sides of the ditch, and then increase the height from the ground by 10 cm. Store the ditch to a depth of 40 cm. The length of the ditch depends on the amount of storage and the size of the site. If the ditch is soil Humidity is too high. Wait for air drying before storing. When the humidity is too low, sprinkle water on the trench wall before storage to increase soil moisture. Grab the soil on the ditch wall and spread it to the best humidity. During storage, the pine and cypress leaves are attached to the bottom of the ditch, and the bedding is separated from the soil. The postharvest hawthorn fruits were carefully selected, and the diseased fruits were removed. After short-term precooling, they were stored in the trenches in time. The fruit is stacked from one end of the ditch, and the thickness is equal to the ditch. The key to storage management is coverage. In the early stage, the main purpose is to prevent heat, cover the sun during the day, and cool and cool at night. In the later period, it is mainly frost-proof. As the temperature drops, the cover is gradually thickened. At the coldest time, the thickness of the cover is about 30 cm. In order to prevent rain, one can put a herringbone bracket along the ditch, and when it rains and snow, cover it with a film on the backboard to prevent rainwater from flowing into the storage ditch.

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