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对核桃休眠期的伤流研究是从1973年开始的。目的在于掌握伤流规律,了解修剪后伤流对核桃生长发育的影响。试验内容包括休眠期伤流量的年变化,日变化以及伤流与树势、伤口部位、天气等变化的关系。
Injury to the walnut dormant study since 1973. The purpose is to grasp the law of wounds to understand the pruning wounds on walnut growth and development. The contents of the experiment include the annual changes of wound flow during sleep, the changes of wounds and the relationship between wounds and the changes of the shrubs, wounds and the weather.