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1991年12月下旬至1992年初,湖北全省受北方南下寒潮袭击,普降大雪,冰冻多天,温度急剧降低至-9℃以下,致使全省120万亩柑桔树受到严重冻害,许多地区的柑桔园呈现出一片枯枝败叶。为了使柑桔尽早恢复生机,避免过多死亡,最大限度减轻果农的损失,湖北省植物生理学会在省科协的支持下,与九三学社湖北省委科技部联合组织具有实践经验的会员,深入各地现场考察、培训,发给“果树冻害生理”和“柑桔冻后恢
In late December 1991 to early 1992, Hubei Province was hit by cold waves in the south of the northern part of the country. Heavy snowfall and freezing took many days and the temperature dropped sharply to below -9 ° C. As a result, 120 million mu of citrus trees in the province were severely frostbite victims. In many areas Citrus orchard shows a dead leaf. In order to restore the vitality of citrus as soon as possible, to avoid excessive death and minimize the loss of fruit growers, Hubei Institute of Plant Physiology, with the support of the Provincial Association for Science and Technology, and the Ministry of Science and Technology of Hubei Provincial Party Committee of Jiusan Society jointly organized members with practical experience, On-site inspection and training, distributed to “fruit tree frost damage physiological” and "citrus after the restoration of frozen