First, improve the fruit setting rate (a) in addition to the root. Roots will consume a lot of nutrients and find that the roots must be shaved in time. (B) wipe buds topping. Control the germination of jujube heads, wipe out new shoots with no space inside, leaving only a few dates hanging. (c) Circumcision. Circumcision can be performed when the flower blooms 30% to 40%. The width of the girdling is preferably 1/10 of the trunk diameter. In order not to injure the xylem, it is not necessary to remove the hair from the ring. After girdling, apply 200 times carbendazim and stick it with clear tape. (D) After girdling, spray 2.5 to 3.5 kg of ice on plants in the morning or afternoon. It is also possible to spray 5PPm 2,4-D or 1 OPPm sodium naphthyl acetate solution during flowering of jujube trees. Second, thinning fruit after fruiting if the results are more, to carry out fruit thinning, each date can be left hanging 3 to 5 fruit. III. Excessive shoots on the jujube heads, internal litchi and stems that germinated on the branches of the jujube branches had poor quality and low fruit setting rate. In order to save nutrients, improve fruit quality and improve ventilation and light transmission conditions, the jujube head and all kinds of leg buds that grow on the backbone branches, as well as the dense branches and cross branches of the internal hemorrhoids should be in their unlignified. Clear in time. Fourth, the prevention and control of pests and diseases (a) Peach peach borer, turtle wax pot, macular mites and so on. Locust clear 5000 times or Xinxinli 2000 times, plus spray 600 times for control. (b) Anthracnose and jujube leaf spot disease. It can be sprayed with 800 times of thiophanate-methyl for prevention and treatment. (C) Tianniu. It can be manually captured in the morning when it comes out to reduce the damage. (d) Prevention and treatment of jujubes, red spiders, and dateworms. When there are more than 0.5 alfalfa per 100 leaves, spray 50% sulfur suspension 300 to 500 times for control. Spray once every 10 to 15 days, and spray 2 to 3 times.
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