Substituted 1,2,3-triazoles: a new class of nitrification inhibitors

Abstract Nitrogen (N) fertilisers amended with nitrification inhibitors can increase nitrogen use efficiencies in agricultural systems but the effectiveness of existing commercial inhibitor products, including 3,4-dimethylpyrazole phosphate (DMPP), is strongly influenced by climatic and edaphic fact...

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Autores principales:	Bethany I. Taggert, Charlie Walker, Deli Chen, Uta Wille
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/83b31a7d9b12432785d682359667330a
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spelling	oai:doaj.org-article:83b31a7d9b12432785d682359667330a2021-12-02T16:26:23ZSubstituted 1,2,3-triazoles: a new class of nitrification inhibitors10.1038/s41598-021-94306-12045-2322https://doaj.org/article/83b31a7d9b12432785d682359667330a2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94306-1https://doaj.org/toc/2045-2322Abstract Nitrogen (N) fertilisers amended with nitrification inhibitors can increase nitrogen use efficiencies in agricultural systems but the effectiveness of existing commercial inhibitor products, including 3,4-dimethylpyrazole phosphate (DMPP), is strongly influenced by climatic and edaphic factors. With increasing pressure to reduce the environmental impact of large-scale agriculture it is important to develop new nitrogen-stabilising products that can give reliable and consistent results, particularly for warmer climatic conditions. We synthesised a library of 17 compounds featuring a substituted 1,2,3-triazole motif and performed laboratory incubations in two south-eastern Australian soils. In the neutral (pH 7.3) soil, the compounds N002, N013, N016 and N017, which possess short non-polar alkyl or alkynyl substituents at the triazole ring, retained NH4 +-N concentrations at 35 °C soil temperature to a better extent (P < 0.001) than DMPP. In the alkaline soil (pH 8.8) N013 performed better with regards to NH4 +-N retention (P = 0.004) than DMPP at 35 °C soil temperature. Overall, our data suggest that substituted 1,2,3-triazoles, which can be synthesized with good yields and excellent atom economy through 1,3-dipolar cycloaddition from readily available starting materials, are promising nitrification inhibitors performing similar to, or better than DMPP, particularly at elevated soil temperatures.Bethany I. TaggertCharlie WalkerDeli ChenUta WilleNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Bethany I. Taggert Charlie Walker Deli Chen Uta Wille Substituted 1,2,3-triazoles: a new class of nitrification inhibitors
description	Abstract Nitrogen (N) fertilisers amended with nitrification inhibitors can increase nitrogen use efficiencies in agricultural systems but the effectiveness of existing commercial inhibitor products, including 3,4-dimethylpyrazole phosphate (DMPP), is strongly influenced by climatic and edaphic factors. With increasing pressure to reduce the environmental impact of large-scale agriculture it is important to develop new nitrogen-stabilising products that can give reliable and consistent results, particularly for warmer climatic conditions. We synthesised a library of 17 compounds featuring a substituted 1,2,3-triazole motif and performed laboratory incubations in two south-eastern Australian soils. In the neutral (pH 7.3) soil, the compounds N002, N013, N016 and N017, which possess short non-polar alkyl or alkynyl substituents at the triazole ring, retained NH4 +-N concentrations at 35 °C soil temperature to a better extent (P < 0.001) than DMPP. In the alkaline soil (pH 8.8) N013 performed better with regards to NH4 +-N retention (P = 0.004) than DMPP at 35 °C soil temperature. Overall, our data suggest that substituted 1,2,3-triazoles, which can be synthesized with good yields and excellent atom economy through 1,3-dipolar cycloaddition from readily available starting materials, are promising nitrification inhibitors performing similar to, or better than DMPP, particularly at elevated soil temperatures.
format	article
author	Bethany I. Taggert Charlie Walker Deli Chen Uta Wille
author_facet	Bethany I. Taggert Charlie Walker Deli Chen Uta Wille
author_sort	Bethany I. Taggert
title	Substituted 1,2,3-triazoles: a new class of nitrification inhibitors
title_short	Substituted 1,2,3-triazoles: a new class of nitrification inhibitors
title_full	Substituted 1,2,3-triazoles: a new class of nitrification inhibitors
title_fullStr	Substituted 1,2,3-triazoles: a new class of nitrification inhibitors
title_full_unstemmed	Substituted 1,2,3-triazoles: a new class of nitrification inhibitors
title_sort	substituted 1,2,3-triazoles: a new class of nitrification inhibitors
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/83b31a7d9b12432785d682359667330a
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Substituted 1,2,3-triazoles: a new class of nitrification inhibitors

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