<?xml version="1.0" encoding="UTF-8"?>
<EXPERIMENT_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <EXPERIMENT accession="SRX17912276" alias="sample1">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912276</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample1</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428374">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428374</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample1</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample1</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912277" alias="sample2">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912277</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample2</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428375">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428375</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample2</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample2</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912278" alias="sample11">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912278</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample11</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428376">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428376</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample11</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample11</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912279" alias="sample12">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912279</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample12</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428377">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428377</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample12</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample12</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912280" alias="sample13">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912280</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample13</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428378">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428378</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample13</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample13</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912281" alias="sample14">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912281</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample14</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428379">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428379</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample14</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample14</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912282" alias="sample15">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912282</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample15</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428380">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428380</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample15</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample15</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912283" alias="sample16">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912283</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample16</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428381">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428381</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample16</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample16</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912284" alias="sample17">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912284</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample17</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428382">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428382</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample17</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample17</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912285" alias="sample18">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912285</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample18</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428383">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428383</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample18</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample18</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912286" alias="sample19">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912286</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample19</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428384">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428384</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample19</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample19</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912287" alias="sample20">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912287</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample20</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428385">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428385</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample20</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample20</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912288" alias="sample3">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912288</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample3</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428386">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428386</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample3</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample3</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912289" alias="sample21">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912289</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample21</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428387">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428387</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample21</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample21</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912290" alias="sample22">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912290</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample22</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428388">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428388</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample22</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample22</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912291" alias="sample23">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912291</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample23</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428389">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428389</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample23</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample23</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912292" alias="sample24">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912292</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample24</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428390">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428390</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample24</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample24</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912293" alias="sample25">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912293</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample25</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428391">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428391</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample25</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample25</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912294" alias="sample26">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912294</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample26</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428392">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428392</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample26</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample26</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912295" alias="sample27">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912295</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample27</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428393">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428393</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample27</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample27</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912296" alias="sample28">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912296</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample28</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428394">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428394</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample28</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample28</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912297" alias="sample29">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912297</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample29</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428395">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428395</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample29</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample29</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912298" alias="sample30">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912298</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample30</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428396">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428396</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample30</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample30</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912299" alias="sample4">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912299</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample4</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428397">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428397</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample4</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample4</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912300" alias="sample31">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912300</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample31</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428398">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428398</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample31</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample31</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912301" alias="sample32">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912301</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample32</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428399">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428399</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample32</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample32</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912302" alias="sample33">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912302</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample33</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428400">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428400</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample33</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample33</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912303" alias="sample34">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912303</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample34</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428401">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428401</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample34</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample34</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912304" alias="sample35">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912304</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample35</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428402">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428402</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample35</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample35</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912305" alias="sample36">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912305</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample36</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428403">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428403</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample36</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample36</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912306" alias="sample37">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912306</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample37</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428404">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428404</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample37</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample37</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912307" alias="sample38">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912307</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample38</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428405">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428405</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample38</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample38</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912308" alias="sample39">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912308</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample39</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428406">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428406</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample39</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample39</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912309" alias="sample40">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912309</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample40</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428407">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428407</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample40</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample40</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912310" alias="sample5">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912310</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample5</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428408">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428408</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample5</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample5</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912311" alias="sample41">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912311</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample41</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428409">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428409</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample41</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample41</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912312" alias="sample42">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912312</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample42</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428410">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428410</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample42</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample42</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912313" alias="sample43">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912313</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample43</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428411">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428411</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample43</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample43</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912314" alias="sample44">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912314</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample44</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428412">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428412</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample44</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample44</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912315" alias="sample45">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912315</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample45</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428413">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428413</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample45</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample45</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912316" alias="sample46">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912316</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample46</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428414">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428414</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample46</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample46</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912317" alias="sample47">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912317</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample47</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428415">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428415</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample47</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample47</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912318" alias="sample48">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912318</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample48</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428416">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428416</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample48</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample48</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912319" alias="sample49">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912319</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample49</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428417">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428417</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample49</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample49</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912320" alias="sample50">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912320</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample50</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428418">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428418</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample50</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample50</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912321" alias="sample6">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912321</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample6</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428419">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428419</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample6</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample6</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912322" alias="sample51">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912322</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample51</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428420">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428420</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample51</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample51</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912323" alias="sample52">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912323</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample52</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428421">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428421</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample52</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample52</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912324" alias="sample53">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912324</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample53</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428422">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428422</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample53</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample53</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912325" alias="sample54">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912325</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample54</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428423">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428423</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample54</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample54</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912326" alias="sample55">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912326</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample55</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428424">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428424</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample55</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample55</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912327" alias="sample56">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912327</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample56</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428425">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428425</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample56</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample56</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912328" alias="sample57">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912328</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample57</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428426">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428426</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample57</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample57</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912329" alias="sample58">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912329</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample58</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428427">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428427</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample58</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample58</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912330" alias="sample59">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912330</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample59</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428428">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428428</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample59</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample59</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912331" alias="sample60">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912331</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample60</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428429">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428429</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample60</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample60</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912332" alias="sample7">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912332</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample7</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428430">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428430</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample7</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample7</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912333" alias="sample61">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912333</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample61</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428431">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428431</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample61</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample61</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912334" alias="sample62">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912334</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample62</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428432">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428432</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample62</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample62</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912335" alias="sample63">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912335</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample63</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428433">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428433</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample63</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample63</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912336" alias="sample64">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912336</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample64</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428434">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428434</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample64</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample64</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912337" alias="sample65">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912337</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample65</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428435">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428435</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample65</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample65</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912338" alias="sample66">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912338</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample66</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428436">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428436</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample66</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample66</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912339" alias="sample67">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912339</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample67</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Ca_PO4</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428437">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428437</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample67</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample67</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912340" alias="sample68">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912340</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample68</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428438">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428438</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample68</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample68</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912341" alias="sample69">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912341</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample69</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428439">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428439</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample69</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample69</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912342" alias="sample70">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912342</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample70</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428440">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428440</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample70</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample70</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912343" alias="sample8">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912343</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample8</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Orgn_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428441">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428441</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample8</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample8</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912344" alias="sample71">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912344</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample71</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_ck</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428442">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428442</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample71</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample71</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912345" alias="sample72">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912345</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample72</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>CK</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428443">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428443</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample72</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample72</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912346" alias="sample9">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912346</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample9</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Mine_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428444">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428444</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample9</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample9</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
  <EXPERIMENT accession="SRX17912347" alias="sample10">
    <IDENTIFIERS>
      <PRIMARY_ID>SRX17912347</PRIMARY_ID>
      <SUBMITTER_ID namespace="SUB12077792">sample10</SUBMITTER_ID>
    </IDENTIFIERS>
    <TITLE>Soil sample</TITLE>
    <STUDY_REF accession="SRP402941">
      <IDENTIFIERS>
        <PRIMARY_ID>SRP402941</PRIMARY_ID>
        <SUBMITTER_ID namespace="SUB12077792">bp0</SUBMITTER_ID>
      </IDENTIFIERS>
    </STUDY_REF>
    <DESIGN>
      <DESIGN_DESCRIPTION>Fe_P</DESIGN_DESCRIPTION>
      <SAMPLE_DESCRIPTOR accession="SRS15428445">
        <IDENTIFIERS>
          <PRIMARY_ID>SRS15428445</PRIMARY_ID>
          <SUBMITTER_ID namespace="pda|1640409975@qq.com">sample10</SUBMITTER_ID>
        </IDENTIFIERS>
      </SAMPLE_DESCRIPTOR>
      <LIBRARY_DESCRIPTOR>
        <LIBRARY_NAME>sample10</LIBRARY_NAME>
        <LIBRARY_STRATEGY>AMPLICON</LIBRARY_STRATEGY>
        <LIBRARY_SOURCE>METAGENOMIC</LIBRARY_SOURCE>
        <LIBRARY_SELECTION>PCR</LIBRARY_SELECTION>
        <LIBRARY_LAYOUT>
          <PAIRED/>
        </LIBRARY_LAYOUT>
      </LIBRARY_DESCRIPTOR>
    </DESIGN>
    <PLATFORM>
      <ILLUMINA>
        <INSTRUMENT_MODEL>Illumina MiSeq</INSTRUMENT_MODEL>
      </ILLUMINA>
    </PLATFORM>
  </EXPERIMENT>
</EXPERIMENT_SET>
