Soil microbiome, Fallow, Meadow, 7 years
Sequencing of the V3-V4 region (using standard Illumina primers 5-CCTACGGGNGGCWGCAG-3 and 5-GACTACHVGGGTATCTAATCC-3) of the 16S rRNA gene was performed in an Illumina MiSeq machine (paired-end 2x250 bp)