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Ground diameter increment (A), seedling height increment (B), biomass (C), and leaf mass ratio (LMR) (D) of C. acuminata in response to different levels of irradiance. The values presented are the means ± SE. Different letters indicate significant differences between irradiance treatments (P < 0.05); n = 5. 100% level = 1500 ± 30 μmol m−2 s−1.
