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. 2023 May 15;14:1196319. doi: 10.3389/fpls.2023.1196319

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Copyright © 2023 Wang, Zheng, Zhou, Li, Qian, Lin, Li and Zuo

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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Effects of salt stress on antioxidants in rapeseed seedlings under different N levels. (A) Superoxide dismutase (SOD), (B) catalase (CAT), (C) glutathione reductase (GR), and (D) ascorbic acid (AsA). S0 and S1 respectively represent salinity levels of 0 and 3 g NaCl kg⁻¹ soil. N0, N1, N2, and N3 respectively represent N rate levels of 0, 0.1, 0.2, and 0.3 g N kg⁻¹ soil. Different letters indicate significant differences at p = 0.05. Probability levels are indicated by ns and ** for not significant and 0.01, respectively. FW, fresh weight.