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N2O Emissions from winter wheat crop. Kingsthorpe, Queensland, Australia 2009 [Theme: Filling the research gap. Round 2]

Data Set Citation

Scheer C of Institute for Future Environments, Queensland University of Technology. N2O Emissions from winter wheat crop. Kingsthorpe, Queensland, Australia 2009 [Theme: Filling the research gap. Round 2].
scheer.11.25 (http://www.n2o.net.au/knb/metacat/scheer.11.25/html).

Metadata download:
Ecological Metadata Language (EML) File
Data Table
Licence
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Data Set Owner(s):
Individual:
Dr. Clemens Scheer
Organization:
Institute for Future Environments, Queensland University of Technology
Position:
Researcher
Address:
2 George St,
Brisbane,
Queensland 4000
Australia
Phone:
+61 7 3138 7636 (voice)
Email Address:
clemens.scheer@qut.edu.au
Associated Party
Individual:
Ms. Siobhann McCafferty
Organization:
Institute for Future Environments, Queensland University of Technology
Position:
Data Librarian
Address:
2 George Street,
Brisbane,
QLD 4000
Australia
Phone:
+61 7 3138 0457 (voice)
Email Address:
siobhann.mccafferty@qut.edu.au
Role:
Custodian/Steward
Abstract

Soil N2O fluxes from winter wheat were monitored over one season with an automated measuring and analysis system allowing for a high temporal resolution. Emissions were measured from different irrigation intesities accordding to following experimental set up: 3 different irrigation treatments: Fully-irrigated (I-50%). The crop will be irrigated when 50% of the plant available water capacity (PAWC) is depleted. Deficit-irrigated 1 (I-60%). The crop will be irrigated when 60% of the PAWC is depleted. Deficit-irrigated 3 (I-85%). The crop will be irrigated when 85% of the PAWC is depleted. N2O emissions were measured with the closed chamber method with 3 replicates per treatmet for the period from June to October 2009

Keywords
  • N2O
  • Nitrous oxide
  • Winter wheat
  • Irrigation intensity
  • Auto Chambers
  • Kingsthorpe
  • QLD
anzsrc-for
  • 0502
Geographic Coverage
Geographic Description:
Kingsthorpe, Queensland
Bounding Coordinates:
West:  
151.81  degrees
East:  
151.81  degrees
North:  
-27.48  degrees
South:  
-27.48  degrees
Temporal Coverage
Begin:
2009-06-01
End:
2009-10-31
Contact(s)
Individual:
Dr. Clemens Scheer
Organization:
Institute for Future Environments, Queensland University of Technology
Position:
Researcher
Address:
2 George St,
Brisbane,
Queensland 4000
Australia
Phone:
+61 7 3138 7636 (voice)
Email Address:
clemens.scheer@qut.edu.au
Methods Info
Step 1:
Description:
Automated closed chamber system
The soil–atmosphere exchange of N2O was measured with a mobile fully automated measuring system. Sampling chambers (50cm x 50cm x 15cm) were fixed on stainless steel frames. The lids of the chambers were opened and closed automatically with pneumatic devices. During the closing period air samples from each chamber were taken alternately and injected towards the analytical devices. Soil-atmosphere exchange measurements were made at 3 subplots for each treatment within the split-plot design. Changes in N2O concentration after chamber closure were measured with a gas chromatograph (Texas Instruments SRI 8610C, Torrance/USA) equipped with a 63Ni electron capture detector (ECD) for N2O analysis.
Instrument(s):
  • Gas chromatograph (Texas Instruments SRI 8610C, Torrance/USA) equipped with a 63Ni electron capture detector (ECD) for N2O analysis.
Project Info
Title:
N2O network
Personnel:
Individual:
Dr. Clemens Scheer
Organization:
Institute for Future Environments, Queensland University of Technology
Position:
Researcher
Address:
2 George St,
Brisbane,
Queensland 4000
Australia
Phone:
+61 7 3138 7636 (voice)
Email Address:
clemens.scheer@qut.edu.au
Role:
Principal Investigator
Funding:

GRDC

Additional Metadata
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Auth System:
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