Long-term Experiment - Wuwei

This experiment has been added by the GLTEN Curators using existing published sources.
Objective
Unknown
Data Access Statement
Don't know
Data license
Don't know
Data policy
Don't know
Organization
Wuwei Oasis Agricultural Research Station
experimental research station
People

Site: Wuwei

Type
research station field
Location
Wuwei
Gansu
China
Geographic location
38.603484, 102.667285
© OpenStreetMap contributors
Elevation
1504 Metres
Visits permitted?
No
Soil description
calcareous desert soils (sandy clay loam, Typic Anthrosol)
Soil properties
VariableDepthValue (range)UnitsRef yearEstimated?Baseline?
soil organic matter 16.35 gram per kilogram
total soil nitrogen 1.06 gram per kilogram
total soil phosphorous 1.5 gram per kilogram
plant available nitrogen 64.4 milligram per kilogram
plant available phosphorous 13 milligram per kilogram
plant available potassium 150 milligram per kilogram
soil pH 8.8
Climatic type
warm semi-arid climate
Climate properties
VariableTime periodValue (range)Units
precipitation150 millimeter
air temperature7.7 degree Celsius

Design period: (1988—)

Design description
Plots measure 30.2 m2. Maize and wheat are intercropped.
Number of replicates
3
Crops
CropYears grown
maize
wheat
Factors
Factor name
Factor levels
nitrogen fertilizer exposure
N0  (0 )
N50%
50% of full N rate
N100%
Full N rate
natural fertilizer exposure
green manure
Chemical form: hairy vetch (Vicia villosa)
Obtained from local farms.
50% green manure
Chemical form: hairy vetch (Vicia villosa)
Obtained from local farms. Applied at half rate.
straw
Chemical form: straw
50% wheat straw
Chemical form: wheat straw
Applied at half rate.
Factor combinations
CK
No fertilizer inputs applied
IF
Full rate N included P applications
nitrogen fertilizer exposure: N100%
GM
natural fertilizer exposure: green manure
GM+IF
nitrogen fertilizer exposure: N50%
natural fertilizer exposure: 50% green manure
WS
natural fertilizer exposure: straw
WS+IF
nitrogen fertilizer exposure: N50%
natural fertilizer exposure: 50% wheat straw
Measurement
VariableMaterialUnitsFrequencyScaleComment
soil propertiesNot specified

Related publications

  • Qing Bian, Xiaoyue Wang, Xingguo Bao, Lingyue Zhu, Zubin Xie, Zongxian Che, Bo Sun, 2022. Exogenous substrate quality determines the dominant keystone taxa linked to carbon mineralization: Evidence from a 30-year experiment, Soil Biology and Biochemistry, Volume 169, 108683