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. 2022 Jan 3;12:789034. doi: 10.3389/fmicb.2021.789034

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Copyright © 2022 Gao, Tian, Khashi u Rahman and Wu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Principal Coordinates Analysis (PCoA) plot of bacterial communities based on OTUs from 24 soil samples (A). The subplans of (B) and (C) indicated the separated PCoA 3D plots, which showed the response of the bacterial composition in sole cover crop treatments and in mixed species cover crop treatments, respectively. CK, no cover crop; W, wheat; R, wild rocket; B, faba bean; WR, wheat + wild rocket; WB, wheat + faba bean; RB, wild rocket + faba bean; and WRB, wheat + wild rocket + faba bean.