Biotic and abiotic controls on the diel and seasonal variation in soil respiration and its components in a wheat field under long-term nitrogen fertilization
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- 作者：Yangquanwei Zhonga ; b ; Weiming Yanb ; Yuzheng Zongc ; Zhouping Shangguanb ; shangguan@ms.iswc.ac.cn" class="auth_mail" title="E-mail the corresponding author (Prof.)
- 关键词：Autotrophic respiration ; CO2 emission ; Heterotrophic respiration ; Temperature-independent respiration ; Winter wheat
- 刊名：Field Crops Research
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：199
- 期：Complete
- 页码：1-9
- 全文大小：2083 K
文摘
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The seasonal dynamics of Rs and its components were regulated by biotic factors and abiotic factors.
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N addition altered the Ra-to-Rs ratio and resulted in different Rs responses.
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Moderate N addition increased the C efflux, but excess N fertilization caused no significant change in Rs.
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Diel Rs and soil temperature are decoupled in farmland.