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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14931
|2 doi
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|a pubmed24n0929.xml
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|a (DE-627)NLM278716164
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|a (NLM)29206293
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Storer, Kate
|e verfasserin
|4 aut
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|a Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N2 O hotspots
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.09.2019
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|a Date Revised 04.10.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Nitrous oxide (N2 O) is a potent, globally important, greenhouse gas, predominantly released from agricultural soils during nitrogen (N) cycling. Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with two-thirds of land plants, providing phosphorus and/or N in exchange for carbon. As AMF acquire N, it was hypothesized that AMF hyphae may reduce N2 O production. AMF hyphae were either allowed (AMF) or prevented (nonAMF) access to a compartment containing an organic matter and soil patch in two independent microcosm experiments. Compartment and patch N2 O production was measured both before and after addition of ammonium and nitrate. In both experiments, N2 O production decreased when AMF hyphae were present before inorganic N addition. In the presence of AMF hyphae, N2 O production remained low following ammonium application, but increased in the nonAMF controls. By contrast, negligible N2 O was produced following nitrate application to either AMF treatment. Thus, the main N2 O source in this system appeared to be via nitrification, and the production of N2 O was reduced in the presence of AMF hyphae. It is hypothesized that AMF hyphae may be outcompeting slow-growing nitrifiers for ammonium. This has significant global implications for our understanding of soil N cycling pathways and N2 O production
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a N cycle
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|a agriculture
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|a arbuscular mycorrhizal fungi (AMF)
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|a greenhouse gas
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|a hyphosphere
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|a nitrification
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|a nitrogen (N)
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|a nitrous oxide (N2O)
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Nitrous Oxide
|2 NLM
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| 650 |
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|a K50XQU1029
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Coggan, Aisha
|e verfasserin
|4 aut
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1 |
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|a Ineson, Phil
|e verfasserin
|4 aut
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| 700 |
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|a Hodge, Angela
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 220(2018), 4 vom: 13. Dez., Seite 1285-1295
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:220
|g year:2018
|g number:4
|g day:13
|g month:12
|g pages:1285-1295
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|u http://dx.doi.org/10.1111/nph.14931
|3 Volltext
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