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. 2022 Oct 20;10:1023693. doi: 10.3389/fbioe.2022.1023693

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Copyright © 2022 Chen, Wang, Wang, Zhou, Yang, Li, Zhang and Dai.

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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Phenolic acid content in the rhizosphere soil. CF, VOF, HOF, WOF, and COF represent treatments of tobacco-special chemical fertilizer, vermicompost-based, humic acid-based, wood biochar-based, and compound functional organic fertilizers, respectively. P-Hyd, Phth, Vani.a, Syri, Vani, Feru, Sina, and Tota represent p-hydroxybenzoic acid, phthalic acid, vanillic acid, syringic acid, vanillin, ferulic acid, sinapic acid, and total phenolic acids, respectively. Different letters show a significant difference among the five treatments based on the Duncan’s method (p < 0.05), and NS indicates no significant difference (p ≥ 0.05).