Be sure to choose a quality storage bag that meets the requirements and storage effect. Do not purchase bags at will. In particular, ordinary plastic film bags should not be used at will in order to avoid loss. After the fruit is harvested, it must be graded into bags as soon as possible, and avoid stacking at room temperature for too long. Generally can be harvested under the tree, with grade bagging, open in the shade, after a night of pre-cooling, sealed the next morning the next day, immediately shipped into the storage. It is best to use liner packing for storage bags. That is, it is placed in a fruit box or a tote to facilitate stacking in the warehouse. If the fresh-keeping bag is used for stacking directly, the stacking height should not exceed 3 layers, preferably 2 layers (1 layer in vertical and 1 layer in flat pressure), and 6 to 10 cm thick wet sand should be laid at the bottom of the reservoir to prevent The bottom of the bag was crushing. The use of ordinary storage bags to store fruit, after storage for a period of time, due to the large consumption of oxygen and the accumulation of large amounts of carbon dioxide, there may be high carbon dioxide and low oxygen state, will cause damage to the fruit. In order to avoid this phenomenon, it can be used to loosen the bag once every 20 days or so, and several small holes can be made in the storage bag. In particular, Red Fuji varieties should pay attention. In order to better understand the gas composition in the bag, it is best to make some fresh bags with air holes. About 5% of the fresh-keeping bags with air holes in each batch of stored fruit are distributed in different parts of the fruit, and gas samples are regularly measured to determine the gas composition in the bag. When excessive carbon dioxide (8% to 10%) or more occurs, Hypoxia (2% or less) should be adjusted in time for loose bags. During the storage of the small bags, other management of the warehouse should be carried out according to the corresponding management methods for different types of warehouses. In particular, attention should be paid to the adjustment of the temperature inside the warehouse to keep in line with the low-temperature environment where the apples are stored.
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