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. 2023 Feb 10;9(2):e13668. doi: 10.1016/j.heliyon.2023.e13668

Fig. 6.

Fig. 6

PCA of soil bacterial community composition under different treatments at various times. C1, C2, and C3 correspond to 0.8, 4.0, and 20.0 mg/kg CAP treatment, respectively; CK indicates blank control group (acetone only); D0, D20, D50, D115, D175, and D235 denote soil samples collected on days 0, 20, 50, 115, 175, and 235, respectively.