CK_4 (CRX1730377; CRA025862)
Take rhizosphere soil samples and use the Kit for DNA extraction. PCR amplification of the 16s V3-V4 variable region was performed using 338F (5'-ACTCCTACGGGAGGCAGCAG-3') and 806R (5'-GGACTACHVGGGTWTCTAAT--3') primers. The amplified DNA library was sequenced using the Illumina Novaseq 6000 platform.