The paper systematically analyzed the biological properties of winter jujube and the environmental factors in its flower-drop and fruit-drop, found the causes and put forward the controlling measures.

本文针对冬枣生产中发生的落花落果问题，从冬枣树的生物学特性和环境条件两个方面做了系统的分析，找出了冬枣落花落果严重的原因，并提出了相应的防治对策。

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