Eh	Oxidation-reduction potential
TDS	Total dissolved solids
DOC	Dissolved organic carbon
TN	Total nitrogen
TP	Total phosphorus
NH4+–N	Ammonia nitrogen
TSS	Total soil salt
TOC	Total organic carbon
CEC	Cation exchange capacity
PCR	Polymerase chain reaction
ASV	Amplicon sequence variant
PCoA	Principal coordinates analysis
PERMANOVA	Permutational multivariate analysis of variance
NMDS	Non-metric multidimensional scaling
ANOSIM	Analysis of similarity
Faith’s PD	Faith’s phylogenetic diversity
LEfSe	Linear discriminant analysis effect size
CCA	Canonical correspondence analysis
βNTI	β-nearest taxon index
RCbray	Bray–Curtis-based Raup–Crick
MEMs	Moran’s eigenvector maps