在黄皮树叶片发生一种细菌性叶斑病。
A bacterial leaf spot on Clausena lansium(Lour) Skeels was observed.
比如当画面上的树叶在亮色天空背景下摇曳时，叶片的边缘部分会出现光点。
For example, when tree leaves are blowing in the wind, the leaves may appear to artificially shimmer at the edges of the leaves.
覆盖提高了杨树叶片养分浓度。
Mulching heightened the nutrient concentrations of poplar leaves.
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