Environmental Data Initiative logo
EDI Staging Environment

Data Package Metadata   View Summary

Denitrification losses in response to N fertiliser rates - integrating high temporal resolution N2O, in-situ 15N2O and 15N2 measurements and fertiliser 15N recoveries in intensive sugarcane systems

General Information
Data Package:
Local Identifier:edi.1440.1
Title:Denitrification losses in response to N fertiliser rates - integrating high temporal resolution N2O, in-situ 15N2O and 15N2 measurements and fertiliser 15N recoveries in intensive sugarcane systems
Alternate Identifier:DOI PLACE HOLDER
Abstract:

Denitrification is a key process in the global nitrogen (N) cycle, causing both nitrous oxide (N2O) and dinitrogen (N2) emissions. However, estimates of seasonal denitrification losses (N2O+N2) are scarce, reflecting methodological difficulties in measuring soil-borne N2 emissions against the high atmospheric N2 background and challenges regarding their spatio-temporal upscaling. This study investigated N2O+N2 losses in response to N fertiliser rates (0, 100, 150, 200 and 250 kg N ha-1) on two intensively managed tropical sugarcane farms in Australia, by combining automated N2O monitoring, in-situ N2 and N2O measurements using the 15N gas flux method and fertiliser 15N recoveries at harvest. Dynamic changes in the N2O/(N2O+N2) ratio (< 0.01 to 0.768) were explained by fitting generalised additive mixed models (GAMMs) with soil factors to upscale high temporal-resolution N2O data to daily N2 emissions over the season. Cumulative N2O+N2 losses ranged from 12 to 87 kg N ha-1, increasing non-linearly with increasing N fertiliser rates. Emissions of N2O+N2 accounted for 31–78% of fertiliser 15N losses and were dominated by environmentally benign N2 emissions. The contribution of denitrification to N fertiliser loss decreased with increasing N rates, suggesting increasing significance of other N loss pathways including leaching and runoff at higher N rates. This study delivers a blueprint approach to extrapolate denitrification measurements at both temporal and spatial scales, which can be applied in fertilised agroecosystems. Robust estimates of denitrification losses determined using this method will help to improve cropping system modelling approaches, advancing our understanding of the N cycle across scales.

Publication Date:2023-06-12
For more information:
Visit: DOI PLACE HOLDER

Time Period
Begin:
2018-10-01
End:
2020-08-25

People and Organizations
Contact:Takeda, Naoya (Queensland University of Technology) [  email ]
Creator:Takeda, Naoya (Queensland University of Technology)
Creator:Friedl, Johannes 
Creator:Kirkby, Robert 
Creator:Rowlings, David 
Creator:Scheer, Clemens 
Creator:De Rosa, Daniele 
Creator:Grace, Peter 

Data Entities
Data Table Name:
summary_data
Description:
Summary dataset for "Denitrification losses in response to N fertiliser rates – integrating high temporal resolution N2O, in-situ 15N2O and 15N2 measurements and fertiliser 15N recoveries in intensive sugarcane systems"
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/edi/1440/1/c4590a55bad6798e8ffed1296b946348
Name:summary_data
Description:Summary dataset for "Denitrification losses in response to N fertiliser rates – integrating high temporal resolution N2O, in-situ 15N2O and 15N2 measurements and fertiliser 15N recoveries in intensive sugarcane systems"
Number of Records:9
Number of Columns:9

Table Structure
Object Name:summary_data.csv
Size:630 byte
Authentication:f2171806bdb023cf79f5d060f38d84d8 Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\r\n
Orientation:column
Simple Delimited:
Field Delimiter:,
Quote Character:"

Table Column Descriptions
 sitenratern2o_observed_meanrn2o_predicted_bed_meanrn2o_predicted_furrow_meanrn2o_cumulativen2o_n2_cumulative_kg_n_han2o_n2_derived_from_fertiliser_kg_n_han2o_n2_proportion_fertiliser_n_loss
Column Name:site  
nrate  
rn2o_observed_mean  
rn2o_predicted_bed_mean  
rn2o_predicted_furrow_mean  
rn2o_cumulative  
n2o_n2_cumulative_kg_n_ha  
n2o_n2_derived_from_fertiliser_kg_n_ha  
n2o_n2_proportion_fertiliser_n_loss  
Definition:Study siteN fertiliser rate in kg N per haMean of observed RN2OMean of RN2O predicted on the bedMean of RN2O predicted on the furrowRN2O calculated with cumulative N2O and N2 emissionsCumulative N2O+N2 emissions in kg N per haN2O+N2 emissions derived from fertiliser N in kg N per haFertiliser-derived N2O+N2 as proportion of overall fertiliser N loss
Storage Type:string  
string  
float  
float  
float  
float  
float  
float  
float  
Measurement Type:nominalnominalratioratioratioratioratioratioratio
Measurement Values Domain:
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeBurdekin
DefinitionBurdekin site
Source
Code Definition
CodeMackay
DefinitionMackay site
Source
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Code0
Definition0 kg N ha-1
Source
Code Definition
Code100
Definition100 kg N ha-1
Source
Code Definition
Code150
Definition150 kg N ha-1
Source
Code Definition
Code200
Definition200 kg N ha-1
Source
Code Definition
Code250
Definition250 kg N ha-1
Source
Unitfraction
Typereal
Unitfraction
Typereal
Unitfraction
Typereal
Unitfraction
Typereal
Unitkg N ha-1
Typereal
Unitkg N ha-1
Typereal
Unitfraction
Typereal
Missing Value Code:                  
Accuracy Report:                  
Accuracy Assessment:                  
Coverage:                  
Methods:                  

Data Package Usage Rights

This data package is released to the "public domain" under Creative Commons CC0 1.0 "No Rights Reserved" (see: https://creativecommons.org/publicdomain/zero/1.0/). It is considered professional etiquette to provide attribution of the original work if this data package is shared in whole or by individual components. A generic citation is provided for this data package on the website https://portal.edirepository.org (herein "website") in the summary metadata page. Communication (and collaboration) with the creators of this data package is recommended to prevent duplicate research or publication. This data package (and its components) is made available "as is" and with no warranty of accuracy or fitness for use. The creators of this data package and the website shall not be liable for any damages resulting from misinterpretation or misuse of the data package or its components. Periodic updates of this data package may be available from the website. Thank you.

Keywords

By Thesaurus:
LTER Controlled Vocabularynitrous oxide
(No thesaurus)nitrogen use efficiency, fertiliser 15N recovery, sugarcane, dinitrogen

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package
Description:

In this study, in-situ measurements of N2O and N2 emissions from two sugarcane systems were combined with previously reported high temporal resolution measurements of N2O (Takeda et al., 2022; Takeda et al., 2021a) and recovery of 15N-labelled fertiliser in the plant, soil and N2O presented in the previous studies (Takeda et al., 2022; Takeda et al., 2021b) to quantify seasonal N2O and N2 losses.

People and Organizations

Publishers:
Organization:Environmental Data Initiative
Email Address:
info@edirepository.org
Web Address:
https://edirepository.org
Id:https://ror.org/0330j0z60
Creators:
Individual: Naoya Takeda
Organization:Queensland University of Technology
Address:
2 George St,
Brisbane, QLD 4000 Australia
Email Address:
n3.takeda@qut.edu.au
Id:https://orcid.org/0000-0002-3977-2804
Individual: Johannes Friedl
Email Address:
johannes.fiedl@qut.edu.au
Id:https://orcid.org/0000-0003-0468-916X
Individual: Robert Kirkby
Email Address:
robert.kirkby@hdr.qut.edu.au
Id:https://orcid.org/0000-0003-4194-8407
Individual: David Rowlings
Email Address:
d.rowlings@qut.edu.au
Id:https://orcid.org/0000-0002-1618-9309
Individual: Clemens Scheer
Email Address:
clemens.scheer@kit.edu
Id:https://orcid.org/0000-0001-5396-2076
Individual: Daniele De Rosa
Email Address:
daniele.de-rosa@ec.europa.eu
Id:https://orcid.org/0000-0002-0441-7722
Individual: Peter Grace
Email Address:
pr.grace@qut.edu.au
Id:https://orcid.org/0000-0003-4136-4129
Contacts:
Individual: Naoya Takeda
Organization:Queensland University of Technology
Address:
2 George St,
Brisbane, QLD 4000 Australia
Email Address:
n3.takeda@qut.edu.au
Id:https://orcid.org/0000-0002-3977-2804

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period
Begin:
2018-10-01
End:
2020-08-25
Sampling Site: 
Description:Burdekin site
Site Coordinates:
Longitude (degree): 147.2Latitude (degree): -19.37
Sampling Site: 
Description:Mackay site
Site Coordinates:
Longitude (degree): 149.04Latitude (degree): -21.14

Project

Parent Project Information:

Title:Greenhouse gas emissions from sugarcane soils: strategies for increasing NUE and reducing environmental pollution
Personnel:
Individual: Grace Peter
Email Address:
pr.grace@qut.edu.au
Id:https://orcid.org/0000-0003-4136-4129
Role:Chief Investigator

Maintenance

Maintenance:
Description:

This dataset is maintained by Takeda et al.

Frequency:unknown
Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'fraction'
        |     |     |     |  \___attribute 'name' = 'fraction'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'Fertiliser-derived N2O+N2 as proportion of overall fertiliser N loss'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'kg N ha-1'
        |     |     |     |  \___attribute 'name' = 'kg N ha-1'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'kilogram nitrogen per hectare'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'emlEditor'
        |     |        \___attribute 'app' = 'ezEML'
        |     |        \___attribute 'release' = '2023.05.31'
        |     |___text '\n    '
        |___text '\n  '

Copyright 2024 Environmental Data Initiative. This material is based upon work supported by the National Science Foundation under grants #2223103 and #2223104. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the Environmental Data Initiative. Please read our privacy policy to know what information we collect about you and to understand your privacy rights.

EDI is a collaboration between the University of New Mexico and the University of Wisconsin – Madison, Center for Limnology:

UNM logo UW-M logo