红菜苔叶片叶绿素含量、叶面积指数及比叶重与群体光合速率成正相关；
B. campestris content of leaf chlorophyll, leaf area index , leaf area-weight ratio were positive significantly correlated with the PR.
通径分析表明，比叶面积不仅受叶重、茎重、根重的影响，而且受3者间交互作用的影响。
Moreover, path analysis showed that SLA was influenced not only by root weight, stem weight and leaf weight but also by their interaction effects(Fig. 3, Table 7).
研究了不同施肥处理对3年生紫花苜蓿开花期叶面积、叶干重及比叶重的影响。
The leaf area, leaf dry weight and specific leaf weight (SLW) of 3-year-old alfalfa were studied under different fertilizing treatments.
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