Variations in the N2 Fixation and CH4 Oxidation Activities of Type I Methanotrophs in the Rice Roots in Saline-Alkali Paddy Field Under Nitrogen Fertilization

Variations in the N2 Fixation and CH4 Oxidation Activities of Type I Methanotrophs in the Rice Roots in Saline-Alkali Paddy Field Under Nitrogen Fertilization

Abstract The root-associated methanotrophs contribute to N2 fixation and CH4 oxidation in paddy fields under N-limited conditions. However, the impact of nitrogen inputs on N₂ fixation and CH₄ oxidation by methanotrophs is largely unknown, especially in saline-alkali paddy fields with higher nitroge...

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Bibliographic Details
Main Authors: Jumei Liu, Jiahui Cao, Rina Su, Lei Yan, Kexin Wang, Haiyang Hu, Zhihua Bao
Format: Article
Language:English
Published: SpringerOpen 2025-03-01
Series:Rice
Subjects:
Active methanotrophs
Isotope (13C–CH4 and 15N–N2) feeding
N2 fixation
CH4 oxidation
Nitrogen fertilization
Saline-alkali paddy field
Online Access:https://doi.org/10.1186/s12284-025-00766-8
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