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

Fig. 7.

Fig. 7

CCA of soil bacterial community and environmental variables under different treatments at various sampling times. The length of the arrow represents the intensity of the influence of the environmental factor on the community. The longer the arrow is, the greater is the influence of the environmental factor. 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.