植株的株高、复叶数、叶绿素含量和总叶面积都显著提高；
The plant height compound leaf number chlorophyll content and total leaf area were significantly increased.
探讨了小麦秸秆还田优化施氮、传统施氮等处理对夏玉米的株高、节根、叶面积、茎粗以及叶绿素含量等的影响；
We discussed the effects of different managements on height of summer maize, number of nodal root, leaf area, plant stem width and chlorophyll content etc.
施用氮肥对小麦叶片光合特性的影响，可能是其叶绿素含量增加、叶面积指数提高的主要原因；
The increase of chlorophyll content and leaf area index may be cause that change of photosynthetic characteristics of leaf of wheat;
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