Jujube has a long flowering period and is wet and dry. When 60% of the flowers are bloomed during the full bloom period, the jujube flowers can be evenly sprayed with water every 2 to 3 days, and even sprayed 2 to 3 times to increase the fruit setting rate. When the jujube flower is more than 1/3 open, spray 0.5% urea and 0.4% potassium dihydrogen phosphate or Tianrun No.1 solution, spray once every 5 to 7 days, generally spray 3 times, which can increase the fruit setting rate by about 30%. Spray again in mid-July to reduce physiological drop. In the early stage of full bloom, spray gibberellin, cytokinin and other hormones, and then add 0.2% to 0.3% borax solution, the effect is better. Generally spray 2 to 3 times. Linyi Fertilizer Network Copyright
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