大家在查：延长枝紫叶桃垂枝杏轮生枝生苗定干短截夏季修剪休眠期修剪银杏苗

一年生枝条

一年生枝条

一年生枝条

一年生枝条

1

N, P and Zn to other element concentration were positive correlations in one-year old branch. Ca and Zn had the same effect.

一年生枝条中氮、磷及锌对其它元素的作用十分明显，大多表现为显著正相关或极显著正相关，其次为钙和锌；

2

The contents of soluble sugar and soluble starch were higher than those with traditional "short-shoot pruning " .

一年生枝条的可溶性糖和淀粉含量均提高，树体营养状况得到改善；

3

MethodsThe vessel elements in stem of Sophora japonica were observed by duct of stem's secondary xylem under biomicroscope.

方法以一年生枝条为材料，对国槐次生木质部中的导管分子进行了观察。

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