Cite as: |
Potthast, K.; Hamer, U. & Makeschin, F. (2012): <b>Setaria-grass biomass yield and properties between 2009-2010 at FERPAST.</b> <i>Available online (http://www.tropicalmountainforest.org/data_pre.do?citid=1129) from DFG-FOR816dw.</i> |
Resource Description
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Associated entities to this dataset: |
Attribute Name -- Attribute Label |
Unit |
Attribute definition |
datetime
--
Date and Time
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not mapped |
The date and time |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
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--- Step
1
---
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Title
:
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Date daily (YYYY-MM-DD) |
Description
:
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Date daily (YYYY-MM-DD) |
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PlotID
--
ID of the plot
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no unit |
ID of the plot |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
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--- Step
1
---
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Title
:
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Assigned by researcher. |
Description
:
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Assigned by researcher. |
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SampleID
--
ID of the sample
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no unit |
ID of the sample |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
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--- Step
1
---
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Title
:
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naming by the sampler |
Description
:
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naming by the sampler |
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biomass_yield
--
yield of biomass
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no unit |
amount of dried aboveground biomass per area and time |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
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grass biomass was taken at an area-basis |
Description
:
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biomass was taken per plot (5 x 5m) with a wooden frame (50x50 cm, 3 times per plot) |
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growth_period
--
period of growth
|
no unit |
period of time between biomass harvest |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
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--- Step
1
---
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Title
:
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cutting interval |
Description
:
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biomass yield was taken within a specific cutting interval, this information ist needed since the attribute "biomass_yield" gives the information about daily biomass growth within the specific growth_period |
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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
---
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Title
:
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Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
Description
:
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Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
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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
---
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Title
:
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Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
Description
:
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Measuring chemical compounds: nitrogen N: with NC-analyzer (Jena Analytik) |
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TPs
--
Total phosphorus soil
|
Gram per kilogram |
Total phosphorus soil |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
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--- Step
1
---
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Title
:
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Measuring total amount of elements in plants with ICP-OES |
Description
:
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Total amount of elements (e.g. Ca, K, Mg, P, S) were determined by acid digestion (250mg, 50 ml HNO3, 180°C) and subsequent measurements by an inductively coupled with a plasma optical emission spectrometer (ICP-OES, CIROS, Spectro). |
Instrumentation:
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Instrument:
Description:
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Instrument: ICP-OES
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Vendor: CIROS, Spectro
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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
---
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Title
:
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Ratio of soil organic carbon to total soil nitrogen |
Description
:
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Ratio of soil organic carbon to total soil nitrogen |
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TE_Ca
--
Total element Calcium of soil
|
Gram per kilogram |
Total element Calcium of soil |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
|
Title
:
|
Measuring total amount of elements in plants with ICP-OES |
Description
:
|
Total amount of elements (e.g. Ca, K, Mg, P, S) were determined by acid digestion (250mg, 50 ml HNO3, 180°C) and subsequent measurements by an inductively coupled with a plasma optical emission spectrometer (ICP-OES, CIROS, Spectro). |
Instrumentation:
|
Instrument:
Description:
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Instrument: ICP-OES
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Vendor: CIROS, Spectro
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