沙地云杉为耐阴性树种，在幼年期一定程度的遮阴条件可以促进树高生长。
Spruce on sandy land is a shade-tolerant species, the height growth of its seedlings being accelerated under shady condition.
沙地云杉为耐阴性树种，在幼年期一定程度的遮阴条件可以促进树高生长。
Spruce on sandy land is a shade-tolerant species, the height growth of its seedlings being accelerated under shady condition.
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