Article 1 RNA 16S 1 X ray fluorescence 1 amplicon 1 biosynthesis 1 carbon 1 comparative study 1 forest soil 1 gene cluster 1 gene sequence 1 illumina sequencing 1 inductively coupled plasma mass spectrometry 1 metabolite 1 metagenomics 1 microbial diversity 1 nanopore sequencing 1 nitrogen 1 nonhuman 1 nutrient content 1 shotgun sequencing 1 soil acidity 1 soil layer soil microflora 1 species diversity 1