2008年1月中旬至2月中旬,宁夏出现长达40天的积雪、低温和冰冻天气,枣树发生严重冻害。当年3—6月,对宁夏灵武、中宁、同心、中卫、平罗等地枣园和苗圃进行了调查研究。分析了形成枣树冻害的气象因子和影响冻害危害程度的其他主要因子。 From mid-January to mid-February 2008, snow, low temperature and freezing weather occurred in Ningxia for up to 40 days, causing serious frost damage in jujube trees. From March to June of that year, a survey was conducted on jujube or nursery in Lingwu, Zhongning, Tongxin, Zhongwei and Pingluo in Ningxia. The meteorological factors of jujube frost damage and other main factors that affect the damage degree of frost damage were analyzed.