Responses of microbial community structure to land-use conversion and fertilization in southern China
Yuan, Y; Dai, XQ; Xu, M; Wang, HM; Fu, XL; Yang, FT
2015
Source PublicationEUROPEAN JOURNAL OF SOIL BIOLOGY
ISSN1164-5563
Volume70Pages:1-6
AbstractA short-term experiment was carried out in southern China to investigate the effects of land-use conversion from rice paddies to vegetable fields and fertilization on soil microbial community structure by analyzing soil phospholipid fatty acid (PLFA) profiles. A split-plot design with four replicates was adopted, in which land use (paddy and vegetable field) was the first-level treatment and fertilization (conventional fertilization and no fertilization) was nested as the second level. Our results showed that both land-use conversion and fertilization had significant effects on microbial community structure. After 2 years of land-use conversion, the total amount of PLFAs were 3.54 and 2.97 nmol g(-1) for fertilized (V-F) and unfertilized (V-NF) vegetable fields, respectively, and 3.19 and 2.32 nmol g(-1) for fertilized (R -F) and unfertilized (R-NF) rice paddies, respectively. Soil fungal PLFAs were 1.04 and 0.87 nmol g(-1) for V-F and V-NF, respectively, which were significantly increased by 13.9 and 11.4 times compared with those of R F and R-NF, respectively. The ratio of fungal to bacterial PLFAs significantly increased in vegetable fields compared with rice paddies. No significant differences were found in the total, bacterial, and actinomycetic PLFAs between vegetable fields and rice paddies. The application of fertilizer significantly increased the amount of total PLFAs and bacterial PLFAs. With land-use conversion and fertilization, soil physicochemical properties also changed, and microbial community structure showed a significant relationship with soil water content, NH4+-N, and pH, which explained the land-use conversion and fertilization effects on soil microbial community composition. (C) 2015 Elsevier Masson SAS. All rights reserved.
SubtypeJournal
KeywordLand use Fertilization Microbial community structure Phospholipid fatty acid (PLFA) Soil physicochemical properties
Subject AreaEnvironmental Sciences & Ecology ; Agriculture
WOS Subject ExtendedEcology ; Soil Science
WOS KeywordFATTY-ACID ANALYSIS ; NITROGEN-FERTILIZATION ; PADDY SOIL ; FUNGAL/BACTERIAL RATIOS ; BACTERIAL ; CARBON ; MANAGEMENT ; BIOMASS ; FUNGAL ; PATTERNS
Indexed BySCI
Language英语
WOS IDWOS:000362147900001
PublisherELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44364
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Yuan, Y,Dai, XQ,Xu, M,et al. Responses of microbial community structure to land-use conversion and fertilization in southern China[J]. EUROPEAN JOURNAL OF SOIL BIOLOGY,2015,70:1-6.
APA Yuan, Y,Dai, XQ,Xu, M,Wang, HM,Fu, XL,&Yang, FT.(2015).Responses of microbial community structure to land-use conversion and fertilization in southern China.EUROPEAN JOURNAL OF SOIL BIOLOGY,70,1-6.
MLA Yuan, Y,et al."Responses of microbial community structure to land-use conversion and fertilization in southern China".EUROPEAN JOURNAL OF SOIL BIOLOGY 70(2015):1-6.
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