Linear regression showed that there was a highly significant correlation between the contents of SOC and MAOC with an r 2 of 0.99, and between the contents of POC and MAOC with an r 2 of 0.57 (Fig.
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Carbon-fixing strain-based biochar outperforms biochar alone in enhancing microbial symbiosis and soil organic carbon.
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The cellulase enzyme activities showed a decreasing trend with the extension of incubation time (Fig. 3 c), and the SR300 and SR300-C treatments were significantly different from others on the 21st day, with increases of 21.3%-43.23% and 40.63%-65.34%, respectively.