2 summer cuts. For jujube trees that have not grown with too little summer shear during the flowering period or have little fruition, summer cuts should be carried out quickly during this period. 3 pest control. Continue to strengthen the prevention and treatment of spot disease, use 90% of Wanling 3000 times liquid plus 1.8% of avermectin 3000 to 4000 times liquid or 9.5% of chlordiazepoxide 4000 to 5000 times liquid to prevent and control insects such as red spider mites; , cotton bollworm, can be used for 4000 times the liquid or Baode, etc. for prevention and treatment; strengthen the detection and prevention of jujube rust, can be combined with the prevention and treatment of speckle disease, since July 10, the use of Wanxing, Fuxing, Yibao and other azoles and other pesticides To prevent jujube rust, medication every 7 to 10 days, especially in the 3 days after the rain must spray protection, can effectively prevent the occurrence of date rust. 4 smear nail mouth healing agent: A mouth in early July can not heal, should be painted nail mouth healing agent, the method is: open the mouth seal mud, find new calli, after the liquid will be scratched Smear on the broken site, and then use mud or plastic cloth to seal it tightly. Take care to loosen the plastic cloth after one or two days in order to prevent the local temperature from being damaged.
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July jujube tree management technology
1 fertilization. For adult jujube trees with a yield of about 15 kg of fresh dates, apply urea 1.1 kg, phosphorus pentoxide 0.25 kg, and potassium sulfate 1.8 kg for standard fertilization; for the growing saplings, apply 25 g of pure nitrogen per year. 20 grams of phosphorus pentoxide ratio of fertilization.
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