Pest prevention before bag removal (1) The orchard before picking the bag should be poured with water to reduce the incidence of sunburn. (2) The orchard should be sprayed to prevent pests and diseases before bagging. 2 to 3 days before picking the bag from the apple, the orchard must be sprayed, cleared the garden, and create a safe environment for Apple to pick it up. The diseases to be prevented during this period include: black spot disease, red dot disease, ringworm disease, anthrax and the like. The pests to be prevented during this period include: fruit suckers, leaf roller moths, etc. Pest prevention after bag removal (1) After picking the bag, the fruit surface is prone to red spot disease when it encounters light rain or misty weather. Therefore, within one day or two days after bag removal, the water spray fungicide is required to effectively prevent redness. I’m sick. (2) Prevention of bitter pit disease. After bag extraction, the fruit is directly exposed to the outside. During this period, foliar-applied calcium fertilizer can be directly absorbed and utilized by the fruit, which is very effective in preventing bitter pit disease. (3 to promote coloring. After bag extraction may be affected by the weather caused by the fruit does not color, especially in the case of frosting is more difficult to paint; so before and after the bag were sprayed once to promote the color of leaf fertilizer. Picking time There are many factors that do not color the fruit. Picking the bag prematurely, the green apple of the fruit does not color, or it will have a green head, affecting the quality; the apple that picks the bag too late, especially the yellowing of the fruit will not be easy to be colored, so the apple must be Keep enough time in the bag, but not too long. Red Fuji apples can generally be picked in time at about 100 to 120 days depending on the weather conditions. Picking bag order The red wax bag orchard must be picked twice before picking the bag. After the outer paper bag is picked up, the red wax inner bag is removed at an interval of 2 to 3 days. This interval is for the fruit to adapt to the external environment. Time, if all of a sudden sudden removal of the inner and outer bags, prone to day burns. For a single-layer bag of orchards, the bag can be torn into an umbrella shape 20 to 30 days before harvesting, covered on fruit to prevent direct sunlight fruit surface, after 7 to 10 days to remove the entire bag to prevent burning Accelerate coloring. Use of fertilization For trees with large amount of fruiting and weak tree vigor that lead to unsatisfactory results, fertilization may be appropriate in early September. It is best to use the principle of “small meals†in August. The volume of each flush should be small, and it should be washed 2~3 times, which will help promote a uniform growth of fruits, reduce fruit rust, and enhance the appearance of light; Supplement calcium chelate to ensure proper ratio of nitrogen to calcium and avoid bitter pit disease. Remind everyone that we must choose high-quality water-soluble fertilizer. Once we are willing to purchase cheap and cheap fertilization containing hormones, we will increase the number of fruits. The leaves will be green for a few days. We do not know that the inferior fertilizer is mainly high. "Nitrogen + Hormone," will bring serious bitter pit disease, chicken paw pattern, and cracks at the later stage. It will also cause the fruit to have poor light and no coloration. At the same time, it will be equal to sucking poison to the fruit trees, etc. The tree will dry out the stored nutrients. It will weaken and lose more. It should be noted that after September 10, it is not recommended to flush fertilize. Silicone Cleanser Brush,Cleansing Silicone Brush,Best Silicone Cleansing Brush,Silicone Facial Cleansing Brush Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizon.com