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为使核桃修剪技术系统化,归纳了历年资料,于1983—1985年在河北省涉县北岗村核桃示范园进行了核桃大树改造修剪技术参数的研究。 一、方法 在示范园中选30株40—50年生、树冠圆满的植株为调查树,进行以下观察记载。 结果母枝 每株选一定数量枝条调查分枝、开花、座果、落花、落果情况,测量母枝分枝的粗度和长度。
In order to systematize the walnut pruning technique, the data of past years were summarized. The technical parameters of the transformation and pruning of the walnut tree were studied in the Walnut Demonstration Park of Beigang Village, Shexian County, Hebei Province from 1983 to 1985. First, the method Select 30 in the demonstration garden 40-50 years, the crown of the successful plant for the survey tree, the following observations. Results Each branch selected a certain number of branches to investigate branches, flowering, fruit sets, flowers, fruit drop, measure the thickness and length of the branches.