| Attribute Name -- Attribute Label |
Unit |
Attribute definition |
datetime
--
Date and Time
|
not mapped |
The date and time |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Date daily (YYYY-MM-DD) |
|
Description
:
|
Date daily (YYYY-MM-DD) |
|
|
PlotID
--
ID of the plot
|
no unit |
ID of the plot |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Assigned by researcher. |
|
Description
:
|
Assigned by researcher. |
|
|
SampleID
--
ID of the sample
|
no unit |
ID of the sample |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
These are the codes for our sampling stations |
|
Description
:
|
These are the codes for our sampling stations |
|
|
Depth
--
Depth below surface
|
Centimeter |
Depth below surface |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
soil samples in 3 soil depths (0-5, 5-10, 10-20) per plot |
|
Description
:
|
5 soil samples were taken with a soil corer (6 cm in diameter)between grass tussocks at each plot of fertilizer treatment and were separated in three soil depth. |
|
|
El
--
elevation
|
Meter |
Elevation |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Handheld GPS device |
|
Description
:
|
Handheld GPS device |
|
Instrumentation:
|
measurementheight=0.0
Instrument:
Description: Global Positioning System
|
Instrument: Garmin GPS 72
|
Vendor: Garmin
|
Measurement:
Measurement type: XY-Coordinates, altitude
|
Unit: Meter
|
Resolution: 0.0
|
Dimension: 0
|
Error: 5.0
|
Size:
|
|
|
|
PHs_H2O
--
pH of soil H2O
|
Unitless |
pH of soil measured in water |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Measuring pH value of soil in water |
|
Description
:
|
Measuring pH value of soil in water (soil:water ratio 1:10 [m/m]) with a glass electrode |
|
|
Pd
--
Particle density
|
Gram per cubic centimeter |
Particle density |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Bulk density of mineral soils was determined using a soil auger or core cutter with defined volume. Drying of soil samples at 105°C and determine of sample mass (including soil sceleton). Calculation of bulk density = soil mass / volume of core cutter |
|
Description
:
|
Bulk density of mineral soils was determined using a soil auger or core cutter with defined volume. Drying of soil samples at 105°C and determine of sample mass (including soil sceleton). Calculation of bulk density = soil mass / volume of core cutter |
|
Instrumentation:
|
measurementheight=0.0
Instrument:
Description: Core cutter to determine bulk density
|
Instrument: Core cutter
|
Vendor: self made
|
Measurement:
Measurement type: Bulkdensity
|
Unit: Gram per cubic centimeter
|
Resolution: 0.0
|
Dimension: 0
|
Error: 0.0
|
Size:
|
|
|
|
CO2s_basal
--
Basal respiration
|
Microgram of CO2-C per gram and hour |
Basal respiration |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Measuring soil basal respiration |
|
Description
:
|
Measuring soil basal respiration |
|
Instrumentation:
|
measurementheight=0.0
Instrument:
Description:
|
Instrument: soil basal respiration method
|
Vendor: -
|
Measurement:
Measurement type: Soilpara
|
Unit: Microgram of CO2-C per gram and hour
|
Resolution: 0.0
|
Dimension: 0
|
Error: 0.0
|
Size:
|
|
|
|
TNs
--
Total nitrogen of soil
|
Gram per kilogram |
Total nitrogen of soil |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
|
Description
:
|
Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
|
|
OCs
--
Soil organic carbon
|
Gram per kilogram |
Soil organic carbon |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
|
Description
:
|
Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
|
|
NH4s
--
Extractable ammonium in soil
|
Milligram of nitrogen per kilogram |
Extractable ammonium in soil |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Measuring chemical compounds: ammonium NH4: with photometry continuous flow analyzer (Skalar) |
|
Description
:
|
Measuring chemical compounds: ammonium NH4: with photometry continuous flow analyzer (Skalar) |
|
|
NO3s
--
Extractable nitrate in soil
|
Milligram of nitrogen per kilogram |
Extractable nitrate in soil |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Nitrate NO3 in KCl |
|
Description
:
|
Measuring chemical compounds: nitrate NO3 in KCl: with photometry continuous flow analyzer (Skalar) |
|
|
NetN_min
--
Soil net N mineralisation
|
Milligram of nitrogen per kilogram of soil and day |
Soil net N mineralisation |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Calculation of Net N mineralization |
|
Description
:
|
Incubation of samples for 14 days. Samples were analyzed for inorganic N(NH4+NO3) at the beginning and at the end of incubation. Initial concentration of total inorganic N was subtracted from the final inorganic N concentration at the end of incubation and divided by 14. |
|
|
MBCs
--
Microbial biomass carbon in soil
|
Milligram per kilogram |
Microbial biomass carbon in soil (Chloroform-Fumigation-Extraction) |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
determination of total carbon and nitrogen in soil filtrates of KCl- and K2SO4-solutions |
|
Description
:
|
determination of total carbon and nitrogen in soil filtrates of KCl- and K2SO4-solutions |
|
Instrumentation:
|
measurementheight=0.0
Instrument:
Description: measuring total carbon and nitrogen in KCl- or K2SO4-solutions
|
Instrument: Multi NC Analyzer
|
Vendor: Jena Analytics
|
Measurement:
Measurement type: Chemical compounds
|
Unit: Microgram per gram
|
Resolution: 0.0
|
Dimension: 0
|
Error: 0.0
|
Size:
|
|
|
|
MBNs
--
Microbial biomass nitrogen in soil
|
Milligram per kilogram |
Microbial biomass nitrogen in soil (Chloroform-Fumigation-Extraction) |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
determination of total carbon and nitrogen in soil filtrates of KCl- and K2SO4-solutions |
|
Description
:
|
determination of total carbon and nitrogen in soil filtrates of KCl- and K2SO4-solutions |
|
Instrumentation:
|
measurementheight=0.0
Instrument:
Description: measuring total carbon and nitrogen in KCl- or K2SO4-solutions
|
Instrument: Multi NC Analyzer
|
Vendor: Jena Analytics
|
Measurement:
Measurement type: Chemical compounds
|
Unit: Microgram per gram
|
Resolution: 0.0
|
Dimension: 0
|
Error: 0.0
|
Size:
|
|
|
|
OCs_extractable
--
Organic carbon extractable from soil
|
Milligram per kilogram |
Organic carbon extractable from soil |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
determination of total carbon and nitrogen in soil filtrates of KCl- and K2SO4-solutions |
|
Description
:
|
determination of total carbon and nitrogen in soil filtrates of KCl- and K2SO4-solutions |
|
Instrumentation:
|
measurementheight=0.0
Instrument:
Description: measuring total carbon and nitrogen in KCl- or K2SO4-solutions
|
Instrument: Multi NC Analyzer
|
Vendor: Jena Analytics
|
Measurement:
Measurement type: Chemical compounds
|
Unit: Microgram per gram
|
Resolution: 0.0
|
Dimension: 0
|
Error: 0.0
|
Size:
|
|
|
|
OCs_TNs
--
Ratio of soil organic carbon to total soil nitrogen
|
Count |
Ratio of soil organic carbon to total soil nitrogen |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
Ratio of soil organic carbon to total soil nitrogen |
|
Description
:
|
Ratio of soil organic carbon to total soil nitrogen |
|
|
GrossN_min
--
Soil gross N mineralisation
|
Milligram of nitrogen per kilogram of soil and day |
Soil gross N mineralisation |
|
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
|
--- Step
1
---
|
|
Title
:
|
15N pool dilution technique |
|
Description
:
|
The 15N-isotope pool dilution method by Barraclough
(1995) was applied to determine gross N
mineralization rates. |
|
|
