Chlorophyll content had no significant relation with the net assimilation rate, but was related to the nitrogen content and the specific leaf weight.
叶绿素含量与净同化速率间没有显著关系，但与含氮量和比叶重有关。
The leaf area, leaf dry weight and specific leaf weight (SLW) of 3-year-old alfalfa were studied under different fertilizing treatments.
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 investigation on properties of leaves indicated that the content of chlorophyll rose and specific leaf weight increased after fertilizing.
施用有机肥对叶片的影响表现为提高叶绿素含量，增加比叶重。
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