Improving fruit surface finish The fruit surface finish is mainly affected by light, temperature and moisture. At the same time, uneven spraying and excessive liquid concentration will affect the finish of the fruit surface. The chelated titanium fertilizer can be used to improve the stress tolerance of jujube and reduce The effect of the agent on the fruit surface improves the fruit surface finish.

Timely cultivating loose soil, removing weeds and supporting branches in the main producing areas of winter jujube in northern China, and after the rainfall in late summer and early autumn, soil compaction is serious. Therefore, it is an effective way to improve the yield and quality of late winter jujube by timely cultivating loose soil and removing weeds in the jujube garden, so as to maintain good ventilation conditions in the jujube orchard and enhance the ability of roots to absorb water and mineral elements. At the same time, in the period of turning color to maturity, some jujube trees result in excessive numbers, and the branches can prevent the jujube from being overloaded and crushing the branches.

Enhancing fertilizer and water management During the conversion period of winter jujube to mature harvest, although the demand for nutrient elements and water is not as large as in the previous period, it is still necessary to ensure sufficient water during this critical period and to provide timely supplements for the normal growth of jujube fruit. Nitrogen, phosphorus, potassium, iron, boron, calcium, zinc and other nutrients. There are two main methods of fertilization: basic application and foliar spraying. The main application of high-potassium fertilizers is to promote the expansion and transformation of the jujube tree. The chelated titanium fertilizer is sweet and beautiful. Potassium dihydrogen phosphate can promote the fruit. Increase sugar color.

Scientifically Controlling Pests and Diseases During this critical period, the prevention of pests and diseases should be strengthened, such as spider mites, carpels, blind pupae, fruit shrinking disease, anthrax, and brown spot disease. Common agents include pyrethroids, imidacloprid, chlorpyrifos, acetamiprid, avermectin, pyridoxine, carbendazim, mancozeb, thiophanate-methyl, prochloraz, difenoconazole, Bromoacetonitrile, agricultural streptomycin and so on.

Pay attention to the prevention of natural disasters. During the period from the turning of winter jujube to the harvesting, bad weather is prone to occur. Attention should be paid to changes in the weather. When there are natural disasters such as strong winds, heavy rain, and hail, timely preventive measures should be taken to minimize natural disasters. The damage caused by the disaster to the jujube tree ensures the normal growth of jujube fruit.

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