Soil nitrogen dynamics drive regional variation in nitrogen use efficiency in rice: A multi-scale study

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成果类型：

期刊论文

作者：

Zhao, Xu;Cai, Siyuan;Yang, Binggeng;Zhao, Huicheng;Zeng, Ke;...

通讯作者：

Yan, X.;Zhao, X.

作者机构：

[Cai, Siyuan; Zhao, Xu; Zeng, Ke; Liu, Yujuan; Zhou, Wei; Wang, Yingying; Yin, Bin; Liu, Xiuyun; Yan, Xiaoyuan; Yang, Binggeng] Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Changshu Natl Agroecosyst Observat & Res Stn, Nanjing, Peoples R China.

[Cai, Siyuan; Zhao, Xu; Zeng, Ke; Liu, Yujuan; Wang, Yingying; Yin, Bin; Liu, Xiuyun; Yan, Xiaoyuan; Yang, Binggeng] Univ Chinese Acad Sci, Beijing, Peoples R China.

[Liu, Binbin; Zhao, Huicheng] Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Key Lab Agr Water Resources, Shijiazhuang, Peoples R China.

[Fan, Pengfei; Zhang, Zhenhua; Yang, Yong] Hunan Agr Univ, Coll Resources & Environm Sci, Southern Reg Collaborat Innovat Ctr Grain & Oil C, Changsha, Peoples R China.

[Li, Pengfei; Bi, Shiting; Peng, Xianlong] Northeast Agr Univ, Resource & Environm Coll, Harbin, Peoples R China.

通讯机构：

[Xu Zhao; Xiaoyuan Yan] S

State Key Laboratory of Soil and Sustainable Agriculture, Changshu National Agro-Ecosystem Observation and Research Station, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China<&wdkj&>University of Chinese Academy of Sciences, Beijing, China

语种：

英文

关键词：

15N tracing;field observation;microbial community;N losses;N retention;N transformation;soil replacement

期刊：

EUROPEAN JOURNAL OF SOIL SCIENCE

ISSN：

1351-0754

年：

2023

卷：

期：

DOI：

10.1111/ejss.13352

基金类别：

This work was supported by the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Grant No. Y201956) and the National Key R&D Program of China (Grant No. 2017YFD0200104). We thank anonymous reviewers for their perceptive comments and suggestions.

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

Northeast and East China account for ~36% of the Chinese rice cultivation area, yet considerable spatial disparities in nitrogen use efficiency (NUE) exist between these regions. The underlying causes remain poorly understood. Herein, we conducted a case study in two sample sites from two regions, Wuchang and Changshu, using multi-scale evidence chains spanning macro- and micro- processes to identify the determinants of spatial NUE variability. Field studies showed higher NUE (partial factor productivity, PFP, and agronomic efficiency, AE) but ...

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Soil nitrogen dynamics drive regional variation in nitrogen use efficiency in rice: A multi-scale study

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