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Elevated CO2 and nitrogen addition have minimal influence on the rhizospheric effects of Bothriochloa ischaemum

文献类型：期刊论文

作者Xue, S (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.; Xue, Sha1; Li, Peng2; Liu, Guobin1; Xiao, Lie1,2
刊名SCIENTIFIC REPORTS
出版日期2017
卷号7
ISSN号2045-2322
DOI10.1038/s41598-017-06994-3
文献子类Article
英文摘要The influence of elevated CO2 and nitrogen (N) addition on soil microbial communities and the rhizospheric effects of Bothriochloa ischaemum were investigated. A pot-cultivation experiment was conducted in climate-controlled chambers under two levels of CO2 (400 and 800 mu mol mol(-1)) and three levels of N addition (0, 2.5, and 5 g N m(-2) y(-1)). Soil samples (rhizospheric and bulk soil) were collected for the assessment of soil organic carbon (SOC), total N (TN), total phosphorus (TP), basal respiration (BR), and phospholipid fatty acids (PLFAs) 106 days after treatments were conducted. Elevated CO2 significantly increased total and fungal PLFAs in the rhizosphere when combined with N addition, and N addition significantly increased BR in the rhizosphere and total, bacterial, fungal, Gram-positive (G(+)), and Gram-negative (G-) PLFAs in both rhizospheric and bulk soil. BR and total, bacterial, G(+), and G(+)/G-PLFAs were significantly higher in rhizospheric than bulk soil, but neither elevated CO2 nor N addition affected the positive rhizospheric effects on bacterial, G(+), or G(+)/G-PLFAs. N addition had a greater effect on soil microbial communities than elevated CO2, and elevated CO2 and N addition had minor contributions to the changes in the magnitude of the rhizospheric effects in B. ischaemum.
学科主题Science & Technology - Other Topics
URL标识查看原文
出版地LONDON
语种英语
WOS记录号WOS:000406364600040
出版者NATURE PUBLISHING GROUP
资助机构Western Young Scholars of the Chinese Academy of Sciences [XAB2015A05]; National Natural Science Foundation of China [41371510, 41371508, 41471438] ; Western Young Scholars of the Chinese Academy of Sciences [XAB2015A05]; National Natural Science Foundation of China [41371510, 41371508, 41471438] ; Western Young Scholars of the Chinese Academy of Sciences [XAB2015A05]; National Natural Science Foundation of China [41371510, 41371508, 41471438] ; Western Young Scholars of the Chinese Academy of Sciences [XAB2015A05]; National Natural Science Foundation of China [41371510, 41371508, 41471438]
源URL[http://ir.iswc.ac.cn/handle/361005/7957]  
专题水保所科研产出--SCI_2017--SCI
通讯作者Xue, S (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
作者单位1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Xian Univ Technol, State Key Lab Base Ecohydraul Engn Arid Area, Xian 710048, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714		 Xue, S ,Xue, Sha,Li, Peng,et al. Elevated CO2 and nitrogen addition have minimal influence on the rhizospheric effects of Bothriochloa ischaemum[J]. SCIENTIFIC REPORTS,2017,7.
APA Xue, S ,Xue, Sha,Li, Peng,Liu, Guobin,&Xiao, Lie.(2017).Elevated CO2 and nitrogen addition have minimal influence on the rhizospheric effects of Bothriochloa ischaemum.SCIENTIFIC REPORTS,7.
MLA Xue, S ,et al."Elevated CO2 and nitrogen addition have minimal influence on the rhizospheric effects of Bothriochloa ischaemum".SCIENTIFIC REPORTS 7(2017).

入库方式： OAI收割

来源：水土保持研究所

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