| Collection date | 2017-05-01 |
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| environment biome | soil [ENVO: 00001998] |
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| environment feature | agriculture [ENVO:01001442] |
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| environment material | soil [ENVO: 00001998] |
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| Geographic location | China: Red Soil Experiential Station of the Chinese Academy of Agricultural Sciences, Qiyang, Hunan Province |
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| Latitude and longitude | 26.75 N 111.88 E |
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| depth | 0-20 cm |
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| elevation | 120 m |
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| agrochemical additions | From 1990: no fertiliser |
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| aluminium saturation | |
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| aluminium saturation method | |
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| altitude | |
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| annual and seasonal precipitation | 1400 mm |
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| annual and seasonal temperature | 18.100000000000001 |
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| crop rotation | Yes; May maize, October wheat |
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| current land use | |
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| current vegetation | Agriculture: maize/wheat rotation |
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| current vegetation method | |
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| drainage classification | |
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| extreme event | |
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| extreme salinity | |
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| FAO classification | Ferralic Cambisol |
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| fire | |
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| flooding | |
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| heavy metals | |
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| heavy metals method | |
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| horizon | |
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| horizon method | |
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| links to additional analysis | |
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| link to classification information | |
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| link to climate information | |
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| local classification | |
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| local classification method | |
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| microbial biomass | |
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| microbial biomass method | |
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| miscellaneous parameter | |
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| pH | 6.15 |
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| pH method | 1:5 soil:water by weight; pH meter (Orion, Thermo Fisher Scientific Inc., Beverly, MA, USA) |
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| pooling of DNA extracts | |
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| previous land use | |
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| previous land use method | |
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| profile position | |
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| salinity method | 1:5 soil:water by weight; AP75 portable waterproof conductivity/TDS meter (Thermo Fisher Scientific Inc., Waltham, MA, USA) |
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| sieving | 2 mm |
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| slope aspect | |
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| soil type | |
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| slope gradient | |
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| soil type method | |
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| storage conditions | refrigerated at 4 degrees celcius |
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| texture | Light loam |
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| texture method | Particle size distribution |
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| tillage | |
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| total N method | CE440 Elemental Analyzer (Exeter Analytical, Chelmsford, MA, USA); mg/g |
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| total nitrogen | 2.9962626600000002 |
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| total organic carbon method | CE440 Elemental Analyzer (Exeter Analytical, Chelmsford, MA, USA); mg/g |
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| total organic carbon | 20.829855290000001 |
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| water content of soil | |
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| water content of soil method | |
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| sample volume or weight for DNA extraction | |
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| Reference for biomaterial | |
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| Relationship to oxygen | |
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| Sample collection device or method | |
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| Sample material processing | |
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| Sample size | |
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| source material identifiers | |
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| Isolation source | |
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| Custom Attributes | |
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