【骨干枝】在果树上构成树冠骨架的永久性大枝叫骨干枝。例如，中心主干、主枝、侧枝、副侧枝等总称为骨干枝。
将每棵树作为一个树冠很矮的骨干枝来处理。
Treating each tree as a separate scaffold of a very low-headed tree .
对旱坡地密植枣园新生枣头的摘心试验表明：骨干枝枣头夏季适时摘心可有效地抑制加长生长，促进加粗生长，减少营养消耗，积累养分；
Timely tender top-picking of jujube new shoot on backbone branch in summer can effectively control long growth, promote thickening growth, decrease nutrition-consuming and accumulate nutrient.
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