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提高枣树座果率有良法枣树落花落果的内因是:枣树花量大,花芽分化时间短,在花芽分化和开花过程中消耗大量的贮藏营养,造成树体营养缺乏,引起生理落花落果。外因主要是受温、湿度影响较大。枣树开花授粉需要较高的温度和湿度,日均温在22℃以上枣花才开放,授粉温度...
To improve the jujube fruit rate there is good law jujube falling flowers of the internal causes are: Jujube flowers, flower bud differentiation time is short, in the flower bud differentiation and flowering process consume a large amount of storage of nutrients, resulting in lack of nutrition tree, causing physiological drop flowers . External causes mainly by the temperature and humidity greater impact. Jujube flowering pollination requires a higher temperature and humidity, the average daily temperature above 22 ℃ jujube flowers open, pollination temperature ...