1. 比叶面积（specific leaf area, SLA）：叶的单面面积与其干重之比。在同一个体或群落内，一般受光越弱比叶面积越大，所以比叶面积可作为叶遮荫度的指数而使用。
比叶面积（specific leaf area, SLA）：叶的单面面积与其干重之比。在同一个体或群落内，一般受光越弱比叶面积越大，所以比叶面积可作为叶遮荫度...
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The specific leaf area and specific pod area were determined from physiological development time (PDT) and genotype.
比叶面积和比角果面积均为生理发育时间的函数。
参考来源 - 油菜生长模拟与决策支持系统研究The growth form affected light-induced plasticity in the number of ramets, specific leaf area and length of leaf sheath; the habitat origin modified light-induced plasticity in the number of ramets, total plant biomass and total rhizome length.
植物生长型影响分株数、比叶面积和叶鞘长度对光照强度的可塑性,源生境改变分株数、植株生物量和根茎总长对光照强度的可塑性。
参考来源 - 青藏高原不同构型克隆植物对资源供应的表型反应·2,447,543篇论文数据，部分数据来源于NoteExpress
进而导致比叶面积，比同化枝长度，光吸收面积和光利用效率增加。
The results indicated that low-light conditions limited the normal growth of A. sparsifolia.
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).
采用辐热积法对植株总干物质量的预测精度比有效积温法和比叶面积法分别提高56%和72%。
For the prediction of plant total dry weight, the prediction accuracy of TEP based model is 56% and 72%, respectively, higher than that of GDD and SLA based model.
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