Implementation of the effect of urease inhibitor on ammonia emissions following urea-based fertilizer application at a Zea mays field in central Illinois: A study with SURFATM-NH 3 model

Nebila Lichiheb, La Toya Myles, Erwan Personne, Mark Heuer, Michael Buban, Andrew J. Nelson, Sotiria Koloutsou-Vakakis, Mark J Rood, Eva Joo, Jesse Miller, Carl Bernacchi

Research output: Contribution to journalArticle

Abstract

Agriculture is the main source of ammonia (NH 3 ) emissions in the atmosphere. NH 3 is precursor to secondary fine particulate matter, which is of concern for its impacts on health and visibility. There are a limited number of field measurements of NH 3 emissions from fertilizer application in the US, and this limits our understanding of the importance of individual NH 3 source and sink processes in controlling timing and magnitude of NH 3 emissions. In this study, a new parameterization of the effect of urease inhibitor on NH 3 emissions from urea-based fertilizer was developed on the basis of experimental results found in the literature. This parameterization was combined with an existing operational parameterization of soil and stomatal emission potentials (Γ g , Γ s ) and was implemented in a surface-atmosphere transfer model for NH 3 (SURFATM-NH 3 ) in order to evaluate the bi-directional fluxes of NH 3 at the field scale. The model was evaluated with field measurements obtained by the flux-gradient (FG) and relaxed eddy accumulation (REA) methods in a fertilized corn field in central Illinois. By integrating the effect of urease inhibitor, the timing of the highest NH 3 emission peak was successfully predicted and its magnitude was close to that measured (predicted 2106 ng m −2 s −1 , measured by FG 2312 ± 582 ng m −2 s −1 ). Based on the model results, urease inhibitor has a considerable effect on the dynamics and order of magnitude of NH 3 fluxes. Furthermore, the model simulated the inhibiting action of N-(n-butyl) thiophosphoric (nBTPT) and suggests that it can reduce NH 3 volatilization by 32%. The model also successfully predicted environmental parameters, such as soil temperature. Finally, this new version of SURFATM-NH 3 is a valuable tool to estimate the NH 3 bi-directional fluxes at the field scale, which describes dynamic modeling of Γ s and Γ g by taking into account the effect of urease inhibitor which is commonly used in the US to improve the efficiency of urea fertilizers.

Original languageEnglish (US)
Pages (from-to)78-87
Number of pages10
JournalAgricultural and Forest Meteorology
Volume269-270
DOIs
StatePublished - May 15 2019

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urease inhibitors
fertilizer application
urea
inhibitor
ammonia
Zea mays
parameterization
atmosphere
fertilizer
urea fertilizers
volatilization
visibility
soil temperature
effect
particulate matter
eddy
maize
particulates
agriculture
fertilizers

Keywords

  • Ammonia
  • Atmospheric chemistry
  • Emission potentials
  • Modeling
  • Urea fertilizer
  • Urease inhibitor

ASJC Scopus subject areas

  • Forestry
  • Global and Planetary Change
  • Agronomy and Crop Science
  • Atmospheric Science

Cite this

Implementation of the effect of urease inhibitor on ammonia emissions following urea-based fertilizer application at a Zea mays field in central Illinois : A study with SURFATM-NH 3 model. / Lichiheb, Nebila; Myles, La Toya; Personne, Erwan; Heuer, Mark; Buban, Michael; Nelson, Andrew J.; Koloutsou-Vakakis, Sotiria; Rood, Mark J; Joo, Eva; Miller, Jesse; Bernacchi, Carl.

In: Agricultural and Forest Meteorology, Vol. 269-270, 15.05.2019, p. 78-87.

Research output: Contribution to journalArticle

Lichiheb, Nebila ; Myles, La Toya ; Personne, Erwan ; Heuer, Mark ; Buban, Michael ; Nelson, Andrew J. ; Koloutsou-Vakakis, Sotiria ; Rood, Mark J ; Joo, Eva ; Miller, Jesse ; Bernacchi, Carl. / Implementation of the effect of urease inhibitor on ammonia emissions following urea-based fertilizer application at a Zea mays field in central Illinois : A study with SURFATM-NH 3 model. In: Agricultural and Forest Meteorology. 2019 ; Vol. 269-270. pp. 78-87.
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abstract = "Agriculture is the main source of ammonia (NH 3 ) emissions in the atmosphere. NH 3 is precursor to secondary fine particulate matter, which is of concern for its impacts on health and visibility. There are a limited number of field measurements of NH 3 emissions from fertilizer application in the US, and this limits our understanding of the importance of individual NH 3 source and sink processes in controlling timing and magnitude of NH 3 emissions. In this study, a new parameterization of the effect of urease inhibitor on NH 3 emissions from urea-based fertilizer was developed on the basis of experimental results found in the literature. This parameterization was combined with an existing operational parameterization of soil and stomatal emission potentials (Γ g , Γ s ) and was implemented in a surface-atmosphere transfer model for NH 3 (SURFATM-NH 3 ) in order to evaluate the bi-directional fluxes of NH 3 at the field scale. The model was evaluated with field measurements obtained by the flux-gradient (FG) and relaxed eddy accumulation (REA) methods in a fertilized corn field in central Illinois. By integrating the effect of urease inhibitor, the timing of the highest NH 3 emission peak was successfully predicted and its magnitude was close to that measured (predicted 2106 ng m −2 s −1 , measured by FG 2312 ± 582 ng m −2 s −1 ). Based on the model results, urease inhibitor has a considerable effect on the dynamics and order of magnitude of NH 3 fluxes. Furthermore, the model simulated the inhibiting action of N-(n-butyl) thiophosphoric (nBTPT) and suggests that it can reduce NH 3 volatilization by 32{\%}. The model also successfully predicted environmental parameters, such as soil temperature. Finally, this new version of SURFATM-NH 3 is a valuable tool to estimate the NH 3 bi-directional fluxes at the field scale, which describes dynamic modeling of Γ s and Γ g by taking into account the effect of urease inhibitor which is commonly used in the US to improve the efficiency of urea fertilizers.",
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AU - Personne, Erwan

AU - Heuer, Mark

AU - Buban, Michael

AU - Nelson, Andrew J.

AU - Koloutsou-Vakakis, Sotiria

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N2 - Agriculture is the main source of ammonia (NH 3 ) emissions in the atmosphere. NH 3 is precursor to secondary fine particulate matter, which is of concern for its impacts on health and visibility. There are a limited number of field measurements of NH 3 emissions from fertilizer application in the US, and this limits our understanding of the importance of individual NH 3 source and sink processes in controlling timing and magnitude of NH 3 emissions. In this study, a new parameterization of the effect of urease inhibitor on NH 3 emissions from urea-based fertilizer was developed on the basis of experimental results found in the literature. This parameterization was combined with an existing operational parameterization of soil and stomatal emission potentials (Γ g , Γ s ) and was implemented in a surface-atmosphere transfer model for NH 3 (SURFATM-NH 3 ) in order to evaluate the bi-directional fluxes of NH 3 at the field scale. The model was evaluated with field measurements obtained by the flux-gradient (FG) and relaxed eddy accumulation (REA) methods in a fertilized corn field in central Illinois. By integrating the effect of urease inhibitor, the timing of the highest NH 3 emission peak was successfully predicted and its magnitude was close to that measured (predicted 2106 ng m −2 s −1 , measured by FG 2312 ± 582 ng m −2 s −1 ). Based on the model results, urease inhibitor has a considerable effect on the dynamics and order of magnitude of NH 3 fluxes. Furthermore, the model simulated the inhibiting action of N-(n-butyl) thiophosphoric (nBTPT) and suggests that it can reduce NH 3 volatilization by 32%. The model also successfully predicted environmental parameters, such as soil temperature. Finally, this new version of SURFATM-NH 3 is a valuable tool to estimate the NH 3 bi-directional fluxes at the field scale, which describes dynamic modeling of Γ s and Γ g by taking into account the effect of urease inhibitor which is commonly used in the US to improve the efficiency of urea fertilizers.

AB - Agriculture is the main source of ammonia (NH 3 ) emissions in the atmosphere. NH 3 is precursor to secondary fine particulate matter, which is of concern for its impacts on health and visibility. There are a limited number of field measurements of NH 3 emissions from fertilizer application in the US, and this limits our understanding of the importance of individual NH 3 source and sink processes in controlling timing and magnitude of NH 3 emissions. In this study, a new parameterization of the effect of urease inhibitor on NH 3 emissions from urea-based fertilizer was developed on the basis of experimental results found in the literature. This parameterization was combined with an existing operational parameterization of soil and stomatal emission potentials (Γ g , Γ s ) and was implemented in a surface-atmosphere transfer model for NH 3 (SURFATM-NH 3 ) in order to evaluate the bi-directional fluxes of NH 3 at the field scale. The model was evaluated with field measurements obtained by the flux-gradient (FG) and relaxed eddy accumulation (REA) methods in a fertilized corn field in central Illinois. By integrating the effect of urease inhibitor, the timing of the highest NH 3 emission peak was successfully predicted and its magnitude was close to that measured (predicted 2106 ng m −2 s −1 , measured by FG 2312 ± 582 ng m −2 s −1 ). Based on the model results, urease inhibitor has a considerable effect on the dynamics and order of magnitude of NH 3 fluxes. Furthermore, the model simulated the inhibiting action of N-(n-butyl) thiophosphoric (nBTPT) and suggests that it can reduce NH 3 volatilization by 32%. The model also successfully predicted environmental parameters, such as soil temperature. Finally, this new version of SURFATM-NH 3 is a valuable tool to estimate the NH 3 bi-directional fluxes at the field scale, which describes dynamic modeling of Γ s and Γ g by taking into account the effect of urease inhibitor which is commonly used in the US to improve the efficiency of urea fertilizers.

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