The scarcity and distribution of rainfall drove the performance (i.e., mitigation of N oxide emissions, crop yield and quality) of calcium ammonium nitrate management in a wheat crop under rainfed semiarid conditions

Guardia Vázquez, Guillermo and González Murua, Carmen and Fuertes Mendizábal, Teresa and Vallejo Garcia, Antonio (2020). The scarcity and distribution of rainfall drove the performance (i.e., mitigation of N oxide emissions, crop yield and quality) of calcium ammonium nitrate management in a wheat crop under rainfed semiarid conditions. "Archives of Agronomy and Soil Science", v. 66 (n. 13); pp. 1827-1844. ISSN 0365-0340. https://doi.org/10.1080/03650340.2019.1697805.

Description

Title: The scarcity and distribution of rainfall drove the performance (i.e., mitigation of N oxide emissions, crop yield and quality) of calcium ammonium nitrate management in a wheat crop under rainfed semiarid conditions
Author/s:
  • Guardia Vázquez, Guillermo
  • González Murua, Carmen
  • Fuertes Mendizábal, Teresa
  • Vallejo Garcia, Antonio
Item Type: Article
Título de Revista/Publicación: Archives of Agronomy and Soil Science
Date: November 2020
ISSN: 0365-0340
Volume: 66
Subjects:
Freetext Keywords: DMPSA; fertilization timing; glutenin proteins; greenhouse gas emissions; gliadin proteins
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Department: Química y Tecnología de Alimentos
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Selection and management of synthetic nitrogen (N) fertilizers, including nitrification inhibitors, are considered an effective strategy to mitigate N oxide emissions, but depends strongly on soil characteristics and climatic conditions. We evaluated the effect of the use of a nitrification inhibitor (2-(3,4-dimethyl-1H-pyrazol-1-yl) succinic acid isomeric mixture (DMPSA)) or splitting calcium ammonium nitrate (CAN) on the N oxides and CH4 emissions, yield, N use efficiency (NUE) and bread-making quality in a winter wheat (Triticum aestivum L.) crop. During a typical rainfall cropping season, neither splitting CAN nor using DMPSA reduced significantly the area-scaled or yield-scaled emissions in comparison to a single application of CAN without inhibitors. This could be explained by the low emissions in CAN amended plots. Conversely, in the subsequent extremely dry cropping season, higher N oxide peaks occurred after soil rewetting and the effectiveness of DMPSA was significant in these conditions (e.g. 83% mitigation for NO). No improvement in the NUE, yield or bread-making quality was achieved with a split application or DMPSA added to the fertilizer. Under the conditions of the study, splitting CAN should not be recommended from a yield-scaled emissions viewpoint, while the use of DMPSA may be encouraged due to large variability in the amount and distribution of rainfall.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainGL2015-64582-C3-3-RUnspecifiedUnspecifiedUnspecified
Government of SpainAGL2015-64582-2-RUnspecifiedUnspecifiedUnspecified
Madrid Regional GovernmentP2013/ABI-2717AGRISOSTUnspecifiedSistemas agrarios sostenibles, manejo de carbono, nitrógeno y agua para optimizar producción y calidad
Government of SpainAGL2012-37815-C05-01 BUnspecifiedGuillermo Guardia VázquezEstrategias para reducir la emisión de gases de efecto invernadero en sistemas agrícolas

More information

Item ID: 63733
DC Identifier: https://oa.upm.es/63733/
OAI Identifier: oai:oa.upm.es:63733
DOI: 10.1080/03650340.2019.1697805
Official URL: https://www.tandfonline.com/doi/citedby/10.1080/03650340.2019.1697805?scroll=top&needAccess=true
Deposited by: Memoria Investigacion
Deposited on: 24 Nov 2020 08:19
Last Modified: 24 Nov 2020 08:22
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