The specific leaf weight values(SLW-fresh weight of leaves/area of leaves) of 7 common tree species grown in loess plateau area, i.e., Robinia pseudoacacia, Amorpha fruticosa, Caragana korshinskii,Populus davidiana,Hippophae rhamnoides,Sophora japonica and Rosa hugonis were calculated and the relationship between the SLW value and photosynthetic capacity of the leaves was studied. It was showed by the results that there was significant correlation between the leaf area and the fresh leaf weight for these 7 ...
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