For each environment, clean reads were co-assembled using MEGAHIT v1.2.9 (parameters: --k-min 27 --k-max 147 --k-step 12) and then mapped to their assembly using Bowtie2 v2.4.4 (default parameters) to
The fixation of atmospheric N2 by soil bacteria is important to the terrestrial carbon (C) and nitrogen (N) cycles and can be greatly affected by anthropogenic disturbance. The application of mineral