Fertilizer before application The purpose is to enhance tree vigor, promote the development of flower buds and improve the quality of flowers, and because of strong tree vigor, can delay the flowering period and reduce young fruit frost damage. 1. Ground fertilization. The application of bud fertilizer is an important measure to postpone the florescence, especially for the time when florets are susceptible to frost damage. Fertilizer is dominated by nitrogen, suitable for phosphate fertilizers. 2. Leaf spray fertilizer. With 0.3% urea solution plus 0.2% potassium dihydrogen phosphate, or 600 times the Cui Kang Shengli liquid plus Cui Kang Hua Guo Ling 1200 times, or 600 times the Green Fenwei No. 2, 600 to 1200 times the rare earth fertilizer plus 1200 times . Alternate use 2 or 3 times to improve the quality of buds and improve the ability of the tree to resist cold. Shu Lei Shu Lei Sparse crops begin in mid-October and end in mid-November. Generally, one or two robust lateral spikelets are left on each result. The thin, weak and dense spikes are first removed, and the spikes at the top of the crown must be sparse, leaving more spikes in the middle of the crown, especially the vigor. Weak tree. At the same time, cut off some of the dense branches and short slender results of the mother branch. After mid-October until flowering, the buds at the base of the panicle and rachis were cut off, leaving the middle flower buds. This concentrates the nutrients, postpones the flowering period, and mitigates the freezing damage of young fruit. Clear Garden Scrape and cure branches and moss lichens, remove litter, and burn them together. Before the buds are formed, they are sprayed on the trunk and ground with Baume sulphide 2 to 3 degrees. Other sulphur preparations can also be used to reduce the base number of overwintering pests. Prevention and treatment of insect pests 1. Gray spot disease. Perennially, branches, leaves, shoots, flowers, and fruits can all be harmed. Control agents cannot use sulphur and copper preparations after bud formation. Apply 50% quick-inking WP 600 times, or 50% USP WP 600 times. Spray once every 10 to 15 days, alternating use, even spray 2 to 3 times. 2. Branch rot disease. In the winter, dry and cracked skin is the main type, but also flow-type, causing dead branches and dead trees. Control methods: 1 remove the lesions, the scraped lesions and diseased branches cut burned. 2 wound sulphurous suspension concentrate stock plus 80% "402" antibacterial agent 100 times, or "843" recovery agent stock solution, or 43% Halic 800 times plus 50% carbendazim WP 100 times, or 1% copper sulfate solution . At the same time, the exposed branches were painted white to prevent the branches from freezing. 3. Boat shaped caterpillars and yellow caterpillars. Mainly artificial control: 1 eggs produced in the back of the leaves, can pick eggs manually. 21 to 2 instar larvae colonize the leaves and can collect or kill larvae. 3 The larvae have a pseudo-dead nature and can shake the tree body. The larvae can make silk drop and pack and kill. 4 old mature larvae into the soil into the earthworms, can be bundled on the branches of straw and mixed soil, lure larvae into the soil, and then pack and kill. It can also be coated on the ground to prevent larvae from entering earthworms and earth-eating moths to fly out of eggs. Control agents can be used 1500 times 5% Ruijin special EC, or 25% diflubenzuron 3, 1200 times, or 48% of the Loester EC 1000 times, or 25% diflubenzuron 1000 times. (Huang Wei feeds) The best quality red Fuji apple with a diameter of 80mm is selected. Natural green, pollution-free, sweet and juicy pulp, high quality red Fuji.
Organic apple, as its name implies, is from the organic agricultural production system, according to the organic certification standard production, processing, and certified by the independent organic food certification body and Apple products. Apples produced according to the organic food planting standards and production and processing technical specifications and certified and certified by the organic food certification organization. In the process of production and processing of apple, the use of synthetic substances such as pesticides, fertilizers, herbicides, synthetic pigments, hormones and other synthetic substances are absolutely prohibited, which conform to the requirements of the ecological system.
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