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. 2022 May 16;13:844663. doi: 10.3389/fmicb.2022.844663

Figure 1.

Figure 1

The activities of nitrification and denitrification enzymes from fungi (FNEA and FDEA), bacteria (BNEA and BDEA), and archaea (ANEA and ADEA) and total nitrification and denitrification enzymes activities (TNEA and TDEA) at different sampling sites in grassland soils. The values represent means ± 1 SEM (n = 4). The length of the gray bar means the contribution percentage of fungi, bacteria, archaea, and abiotic on the total nitrification or denitrification enzymes activities (0% equal to 0 cm, 100% equal to cell width).