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Long-term no-tillage and organic input management enhanced the diversity and stability of soil microbial community
Wang, Yi1,2; Li, Chunyue3; Tu, Cong2; Hoyt, Greg D.4; DeForest, Jared L.5; Hu, Shuijin2
2017-12-31
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume609Issue:2017Pages:341-347
SubtypeArticle
AbstractIntensive tillage and high inputs of chemicals are frequently used in conventional agriculture management, which critically depresses soil properties and causes soil erosion and nonpoint source pollution. Conservation practices, such as no-tillage and organic farming, have potential to enhance soil health. However, the long-term impact of no-tillage and organic practices on soil microbial diversity and community structure has not been fully understood, particularly in humid, warm climate regions such as the southeast USA. We hypothesized that organic inputs will lead to greater microbial diversity and a more stable microbial community, and that the combination of no tillage and organic inputs will maximize soil microbial diversity. We conducted a long-term experiment in the southern Appalachian mountains of North Carolina, USA to test these hypotheses. The results showed that soil microbial diversity and community structure diverged under different management regimes after long term continuous treatments. Organic input dominated the effect of management practices on soil microbial properties, although no-tillage practice also exerted significant impacts. Both no-tillage and organic inputs significantly promoted soil microbial diversity and community stability. The combination of no-tillage and organic management increased soil microbial diversity over the conventional tillage and led to a microbial community structure more similar to the one in an adjacent grassland. These results indicate that effective management through reducing tillage and increasing organic C inputs can enhance soil microbial diversity and community stability. (C) 2017 Elsevier B.V. All rights reserved.
KeywordMicrobial Diversity Microbial Community Organic Farming Conventional Farming Tillage Sustainable Agriculture
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.scitotenv.2017.07.053
WOS KeywordNONPOINT-SOURCE POLLUTION ; FATTY-ACID ANALYSIS ; FARMING SYSTEMS ; BIOMASS ; BACTERIAL ; QUALITY ; IMPACT ; DECOMPOSITION ; METAANALYSIS ; INDICATORS
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000410352900038
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5410
Collection生态环境研究室
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.North Carolina State Univ, Dept Entomol & Plant Pathol, 2510 Thomas Hall, Raleigh, NC 27695 USA
3.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Shaanxi, Peoples R China
4.North Carolina State Univ, Dept Soil Sci, Mt Hort Crops Res & Extens Ctr, 455 Res Dr, Mills River, NC 28759 USA
5.Ohio Univ, Dept Environm & Plant Biol, Athens, OH 45701 USA
Recommended Citation
GB/T 7714
Wang, Yi,Li, Chunyue,Tu, Cong,et al. Long-term no-tillage and organic input management enhanced the diversity and stability of soil microbial community[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,609(2017):341-347.
APA Wang, Yi,Li, Chunyue,Tu, Cong,Hoyt, Greg D.,DeForest, Jared L.,&Hu, Shuijin.(2017).Long-term no-tillage and organic input management enhanced the diversity and stability of soil microbial community.SCIENCE OF THE TOTAL ENVIRONMENT,609(2017),341-347.
MLA Wang, Yi,et al."Long-term no-tillage and organic input management enhanced the diversity and stability of soil microbial community".SCIENCE OF THE TOTAL ENVIRONMENT 609.2017(2017):341-347.
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