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Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils
Agricultural practices such as repeated fertilization impact carbon (C), nitrogen (N) and phosphorus (P) cycling and their relationships in the plant–soil continuum, which could have important implications for the magnitude of greenhouse gas emissions. However, little is known about the effect of C...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Nature Publishing Group UK
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8850588/ https://www.ncbi.nlm.nih.gov/pubmed/35173248 http://dx.doi.org/10.1038/s41598-022-06661-2 |
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author | Gebremichael, Amanuel W. Wall, David P. O’Neill, Rosie M. Krol, Dominika J. Brennan, Fiona Lanigan, Gary Richards, Karl G. |
author_facet | Gebremichael, Amanuel W. Wall, David P. O’Neill, Rosie M. Krol, Dominika J. Brennan, Fiona Lanigan, Gary Richards, Karl G. |
author_sort | Gebremichael, Amanuel W. |
collection | PubMed |
description | Agricultural practices such as repeated fertilization impact carbon (C), nitrogen (N) and phosphorus (P) cycling and their relationships in the plant–soil continuum, which could have important implications for the magnitude of greenhouse gas emissions. However, little is known about the effect of C and N additions under contrasting soil P availability status on nitrous oxide (N(2)O) and carbon dioxide (CO(2)) emissions. In this study, we conducted a field-based experiment that investigated the impact of long-term (23 years) P management (no (P0, 0 kg P ha(−1)), low (P15, 15 kg P ha(−1)) and high (P45, 45 kg P ha(−1)) P inputs) on N(2)O and CO(2) emissions following two C + N application events in two managed grassland ecosystems with loam and sandy loam soils. The magnitude of fluxes varied between the soil P availability levels. Cumulative N(2)O emission was significantly higher in P0 soils (1.08 ± 0.09 g N(2)O-N m(−2)) than P45 soils (0.63 ± 0.03 g N(2)O-N m(−2)), with the loam soil (1.04 ± 0.04 g N(2)O-N m(−2)) producing significantly higher emissions than the sandy loam soil (0.88 ± 0.05 g N(2)O-N m(−2)). We conclude that P-limitation stimulates N(2)O emissions, whereas P-enrichment promotes soil respiration in these temperate grassland sites. Our findings inform effective nutrient management strategies underpinning optimized use of N and P inputs to agricultural soils as mitigation measures for both food security and reducing greenhouse gas emissions. |
format | Online Article Text |
id | pubmed-8850588 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-88505882022-02-18 Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils Gebremichael, Amanuel W. Wall, David P. O’Neill, Rosie M. Krol, Dominika J. Brennan, Fiona Lanigan, Gary Richards, Karl G. Sci Rep Article Agricultural practices such as repeated fertilization impact carbon (C), nitrogen (N) and phosphorus (P) cycling and their relationships in the plant–soil continuum, which could have important implications for the magnitude of greenhouse gas emissions. However, little is known about the effect of C and N additions under contrasting soil P availability status on nitrous oxide (N(2)O) and carbon dioxide (CO(2)) emissions. In this study, we conducted a field-based experiment that investigated the impact of long-term (23 years) P management (no (P0, 0 kg P ha(−1)), low (P15, 15 kg P ha(−1)) and high (P45, 45 kg P ha(−1)) P inputs) on N(2)O and CO(2) emissions following two C + N application events in two managed grassland ecosystems with loam and sandy loam soils. The magnitude of fluxes varied between the soil P availability levels. Cumulative N(2)O emission was significantly higher in P0 soils (1.08 ± 0.09 g N(2)O-N m(−2)) than P45 soils (0.63 ± 0.03 g N(2)O-N m(−2)), with the loam soil (1.04 ± 0.04 g N(2)O-N m(−2)) producing significantly higher emissions than the sandy loam soil (0.88 ± 0.05 g N(2)O-N m(−2)). We conclude that P-limitation stimulates N(2)O emissions, whereas P-enrichment promotes soil respiration in these temperate grassland sites. Our findings inform effective nutrient management strategies underpinning optimized use of N and P inputs to agricultural soils as mitigation measures for both food security and reducing greenhouse gas emissions. Nature Publishing Group UK 2022-02-16 /pmc/articles/PMC8850588/ /pubmed/35173248 http://dx.doi.org/10.1038/s41598-022-06661-2 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
spellingShingle | Article Gebremichael, Amanuel W. Wall, David P. O’Neill, Rosie M. Krol, Dominika J. Brennan, Fiona Lanigan, Gary Richards, Karl G. Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
title | Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
title_full | Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
title_fullStr | Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
title_full_unstemmed | Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
title_short | Effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
title_sort | effect of contrasting phosphorus levels on nitrous oxide and carbon dioxide emissions from temperate grassland soils |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8850588/ https://www.ncbi.nlm.nih.gov/pubmed/35173248 http://dx.doi.org/10.1038/s41598-022-06661-2 |
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