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Cellar winter shed radish technology
The radish in the winter shed of the ice cave in the pit does not grow buds, does not worry, has a bright skin, and has a convenient cellar listing and a considerable economic benefit. Now this storage method is described as follows: 1. Cellar structure: half cell underground cellar is selected, half underground is conducive to heat preservation, and half ground is conducive to cooling. The total height in the cellar is not less than 2.5 to 3 meters. It should be left above the ground. The front and rear windows allow the convective ventilation to cool down, which helps to regulate the temperature inside the cellar. Every few meters leaves a skylight at the top of the pit. After the winter, as the temperature gradually decreases, the shade window is closed first, and then the shade window is closed. The skylight is closed at the coldest time. If the temperature in the cellar increases, open the sunroof, open the sunscreen, and finally open the sunscreen. 2, ice shed design: in the storage of radish around and on the top with a large film cover, that is, in the window support a layer of film, the use of shed film as a whole without damage is better. If the shed film is directly placed on the radish bag, the radish stored under the film may be easily frozen after freezing in the kiln. There should be a gap of 20-30 cm between the shed film and the storage radish bag. 3, preparation before storage: cut off the top of the radish growth point and the lower main root, scrape off the hair and fine roots. When cutting roots, be careful to control the knife edge at a minimum area to facilitate preservation. The use of airtight plastic bags for storage of whole radishes is good for preservation. The maximum bag capacity should not exceed 30 kg, otherwise it is not conducive to radish breathing and preservation. 4, storage location: the bottom of the bag upright, there should be a gap between the bag and the bag, both to prevent heat and conducive to cooling and cooling. The upper bag is placed horizontally and remains space. The length, width and height of the radish bag stacking are not limited. It can make full use of the space in the pit. For example, the storage volume in the three-dimensional storage pit is the largest. 5. High-humidity treatment: Sprinkle a few times of water in the pit floor before the yard, so that the humidity is in a saturated state. The higher the water content in the environment, the better the preservation. If the ground cannot absorb water, pot water can be placed in the side shed where the radish is stored. 6, cellar temperature control: after the radish into storage, the front and rear windows and skylights are all open, when the cellar outside the temperature reaches -3 to 5 °C, plastic film shed will appear frost or ice on the membrane, then do not man Destroys the frost layer inside the film because it can act as a refrigerating sealer. General greenhouse temperature -1 to 2 °C radish without freezing damage. The radish in the radish bag stacking edge bag is not frozen, but the radish will recover fresh samples after thawing. If the radish epidermis has raised ice tumors, the thawed epidermis will be easily damaged and produce odor, and the storage should be terminated immediately. If the cellar shed is in a state of frost for a long time, the preservation effect is the best. Control the temperature in the pit by opening windows and closing windows. The wall above the ground must have good insulation material facilities, otherwise it will not be able to keep warm in the cold season. Although the pit roof has skylights, it should also pay attention to insulation. Control the temperature of the cellar, avoid cold and hot, so that the frost within the membrane does not increase in thickness and does not fall off. In the early spring, when the kiln snow disappears, the temperature in the pit increases. Observe the temperature inside the ice shed. First open the window on the sun surface. However, there should be a shade outside the window so that only the air is not released into the sunlight (after the winter storage). Finally, we opened the shade window. In the early spring, ventilation and cooling are the main storage and preservation measures. After the frost film falls off, the film should be cleared out of the pit and the upper bag should be opened to facilitate heat dissipation and extend the storage period. Using the above method to store fresh radish, it can be used at any time to facilitate the use of cellar, and the radish skin is bright as before, and its taste is crisp and sweet. After being listed, it is welcomed by consumers and the economic benefits are very significant.