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Changes of biomass in Brassica juncea. Dry biomass of shoot (A) and root (B) were determined with 30 biological replicates. Error bars indicate the standard error of the mean (SEM). The asterisks show statistically significant difference between the means at p < 0.01 (**), 0 h (T1), 48 h (T2), and 7 d (T3).
