Collection date | 2017-05-01 |
environment biome | soil [ENVO: 00001998] |
environment feature | agriculture [ENVO:01001442] |
environment material | soil [ENVO: 00001998] |
Geographic location | China: Red Soil Experiential Station of the Chinese Academy of Agricultural Sciences, Qiyang, Hunan Province |
Latitude and longitude | 26.75 N 111.88 E |
depth | 0-20 cm |
elevation | 120 m |
agrochemical additions | From 1990: no fertiliser |
aluminium saturation | |
aluminium saturation method | |
altitude | |
annual and seasonal precipitation | 1400 mm |
annual and seasonal temperature | 18.100000000000001 |
crop rotation | Yes; May maize, October wheat |
current land use | |
current vegetation | Agriculture: maize/wheat rotation |
current vegetation method | |
drainage classification | |
extreme event | |
extreme salinity | |
FAO classification | Ferralic Cambisol |
fire | |
flooding | |
heavy metals | |
heavy metals method | |
horizon | |
horizon method | |
links to additional analysis | |
link to classification information | |
link to climate information | |
local classification | |
local classification method | |
microbial biomass | |
microbial biomass method | |
miscellaneous parameter | |
pH | 6.2 |
pH method | 1:5 soil:water by weight; pH meter (Orion, Thermo Fisher Scientific Inc., Beverly, MA, USA) |
pooling of DNA extracts | |
previous land use | |
previous land use method | |
profile position | |
salinity method | 1:5 soil:water by weight; AP75 portable waterproof conductivity/TDS meter (Thermo Fisher Scientific Inc., Waltham, MA, USA) |
sieving | 2 mm |
slope aspect | |
soil type | |
slope gradient | |
soil type method | |
storage conditions | refrigerated at 4 degrees celcius |
texture | Light loam |
texture method | Particle size distribution |
tillage | |
total N method | CE440 Elemental Analyzer (Exeter Analytical, Chelmsford, MA, USA); mg/g |
total nitrogen | 2.5661024000000001 |
total organic carbon method | CE440 Elemental Analyzer (Exeter Analytical, Chelmsford, MA, USA); mg/g |
total organic carbon | 21.176468180000001 |
water content of soil | |
water content of soil method | |
sample volume or weight for DNA extraction | |
Reference for biomaterial | |
Relationship to oxygen | |
Sample collection device or method | |
Sample material processing | |
Sample size | |
source material identifiers | |
Isolation source | |
Custom Attributes | |