粒叶比是衡量单位叶面积光合生产力的综合性状。
The grain-leaf ratio is a comprehensive trait estimating photosynthetic productivity of per unit leaf area.
其它光质下单位叶面积细胞数目依次为黄、红、白和绿光下的叶片。
Generally speaking, the leaves grown in yellow light had more number of mesophyll cells than those grown in red, white, and green light.
土壤干旱引起单位叶面积色素含量降低，但却引起单位叶鲜重色素含量的增加。
Soil drying decreased pigments contents on leaf-area basis, but increased on fresh-leaf-weight basis.
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