1. Spray the medicine in time before bagging, and pay attention to protect the leaves. Bagging has the effect of preventing diseases and insects, but some diseases and insects have already infested the fruit before bagging. If they are not eliminated, the infested diseases and insects will continue to harm the fruit in the bag and lose the significance of bagging. It is a sensitive period for fruit infections from the flowering period of apples to bagging. Rotatosis, anthracnose, mycocardial disease, etc. easily invade the fruit during this period, but do not occur. This period is also the peak period for the absorption of various elements such as calcium and boron. The concurrent period of various pests such as leaf miners is a key period for the growth of the longitudinal diameter of the fruit. During this period, regular spraying and fertilizer spraying must be carried out. This will prevent pests and diseases, increase fruit setting rate, increase single fruit weight, and prevent deficiency Has a great effect. At the same time, we must pay attention to the prevention and treatment of speckled deciduous disease and early deciduous disease before and after bagging. 2. Strict fruit thinning. Carefully thin out the fruit. When setting the fruit, leave one fruit at 20-25 cm, leave the center fruit, the fruit with long fruit stalk, and thin out the small fruit, almond fruit, saki-shaped fruit, sky fruit, diseased fruit, and wounded fruit. . Strictly control the amount of fruit retained. Third, increase the application of organic fertilizers and phosphorus and potassium fertilizers. It is necessary to increase the amount of organic fertilizer applied, and more high-quality chicken manure is used as organic fertilizer in production, and more than 6000 kilograms are applied per 667 square meters. Before conditional orchard topdressing, foliar analysis or soil nutrition diagnosis should be carried out to determine a reasonable number and proportion of topdressing. At the same time, according to the different stages of fruit tree growth and development, balanced fertilization, pay attention to nitrogen and phosphorus, potassium, especially in the middle and late stages of adding potassium and phosphorus fertilizers, combined with spraying foliar fertilizer on the tree, is conducive to fruit coloring and anti-sunburn. 4. Bagging technology should be standardized. When the fruit is bagged, non-standard operation techniques will result in a low rate of bagged fruit. Strictly follow the bagging technical regulations, and seal the bag tightly to prevent pests from entering the bag to propagate the harmful fruits, and to prevent the liquid medicine and rain from entering the bag to contaminate the fruit surface. When bagging, do not make the fruit bag close to the young fruit, so as to avoid rough fruit surface, fruit rust and sunburn. Fifth, pay attention to the prevention and control of Kangshi mealybugs. The powdery scales of Kang's gathered in the fruit recesses to suck the fruit juice, causing small black spots. It can also be penetrated into the bag through the air hole and the gap of the bag mouth. It occurs lightly within 1-2 years of the initial bagging of the orchard, but the insect fruit rate can reach more than 40% after bagging in successive years. Kang's mealybug. The mid-to-late May and mid-to-July are the peak periods of the first-generation and second-generation nymphs, which should be controlled in time, and the bag mouth should be tightened when bagging. Sixth, pay attention to calcium. In recent years, many experts believe that the effect of calcium on the quality of apples is far more important than elements such as nitrogen, phosphorus, potassium, and magnesium. Therefore, calcium plays a decisive role in the quality of bagged apples. Before and after bagging, fruit trees should be sprayed with calcium fertilizer several times in combination with spraying to reduce the occurrence of bitter acne disease and hydrocardiasis. Seven, pay attention to choose a good bag. The quality of the fruit bag depends on the quality of the bag and the manufacturing process. Choosing the correct bag and choosing the right bag are another key to the success of bagging. 8. Pay attention to the overall level of the orchard. The apples produced in high-end double-layer paper bags are brightly colored and the skin is delicate and the price is high. But not all orchards are suitable for high-grade paper bags, which has a lot to do with site conditions and management level of fruit farmers. High-quality orchards with an altitude above 600 meters should be selected. Orchards with high soil organic matter content, well-managed and healthy trees are suitable for high-end double-layer paper bags. For sub-optimal areas of apples, especially orchards where management cannot keep up and the pests are more harmful, in addition to strengthening management, it is suitable to cover plastic bags with good quality, which costs less and has a greater effect, which can also effectively increase the rate of fruit commodity To increase the economic benefits of the orchard. Nine, supporting technology must keep up. Check the condition of the diseases and insect pests in the bag at any time; check the bandage of the bag in time; remove the yellow and squeezed leaves. Spray high-efficiency fungicide 1-2 days before bag picking to prevent the infection of fruits after bag picking by germs. After picking the bag, lay a silver reflective film in time to pick the leaves and turn the fruits in time. 10. Pay attention to timely harvest. The order of fruit picking is up first, then down, then out. The skin of the bagged fruit is relatively thin and tender. During the process of harvesting and handling, it should be handled with care as much as possible to reduce bumps, pressure, thorns, scratches, etc. It is required to collect while grading. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Soybean Lecithin oil is a byproduct of soybean oil production. It is a natural emulsifier and is commonly used in food, pharmaceutical, and cosmetic industries. Here are some related information about soybean lecithin oil Soybean Lecithin Oil,Soybean Extract,Soybean Phospholipid Oil,Organic Soybean Powder Jiangsu Chenwei Biology and Technology Co. LTD , https://www.cwsoybean.com