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Seed germination (A) and seedling survival rate (B) of sanqi in continuously cultivated soil and uncultivated soil. Control represents the uncultivated sanqi soil, CS indicates the continuously cultivated soil with sanqi, CS-steam indicates the CS was treated with steam at 90°C for 15 min. The values represent the means ± SE. Different letters on the bars indicate significant differences between different treatments (p < 0.05; n = 3).
