Sap flow flux was influenced by sapwood area size, and decreased progressively from the base along the trunk to the top of tree.
不同树干高度液流通量的变化受边材面积大小的影响，自基部沿树干高度递减；
Sap flow flux was influenced by sapwood area size, and decreased progressively from the base along the trunk to the top of tree.
不同树干高度液流通量的变化受边材面积大小的影响，自基部沿树干高度递减；
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