Temporal variation of soil friedelin and microbial community under different land uses in a long-term agroecosystem

Dong, Huicong; Kong, Chui‐Hua; Wang, Peng; Huang, Qi-Liang

doi:10.1016/j.soilbio.2013.11.016

Cited by 36 publications

(27 citation statements)

References 42 publications

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“…Plant-derived allelochemicals can not only be degraded by soil microorganisms but also may be expected to quickly alter soil microbial community composition and structure (Macias et al, 2004;Dong et al, 2014). As observed in this study, allelochemical cyclic dipeptide interacted with soil microorganisms at significant rates.…”

Section: Discussionsupporting

confidence: 57%

“…Fungal groups were identified by microscopic examination of the colonies and a comparison with compendium of soil fungi (Domsch et al, 1980). PLFA analysis was performed by a combination of two methods in the literature (Frostegard et al, 1993;Dong et al, 2014). Briefly, freeze-dried soils (5 g) were ground and then extracted with mixture of chloroform/methanol/citrate buffer (1:2:0.8, v/v/v).…”

Section: Microbiological Analysismentioning

confidence: 99%

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Allelochemical-mediated soil microbial community in long-term monospecific Chinese fir forest plantations

Xia

Kong

Chen

et al. 2015

Applied Soil Ecology

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Section: Discussionsupporting

confidence: 57%

Section: Microbiological Analysismentioning

confidence: 99%

Allelochemical-mediated soil microbial community in long-term monospecific Chinese fir forest plantations

Xia

Kong

Chen

et al. 2015

Applied Soil Ecology

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“…have illustrated that agricultural management measures, such as crop planting, land use changes, and long-term tillage, are known to have significant effects on the microbial community structure (Ellis and Atherton 2003;Zhang et al 2012;Bini et al 2013;Dong et al 2014). In particular, long-term cultivation of mudflats has a continuous influence on the fungal community composition.…”

Section: R a F Tmentioning

confidence: 99%

Mudflat reclamation causes change in the composition of fungal communities under long-term rice cultivation

Zhang

Chen

et al. 2019

Can. J. Microbiol.

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Fungi play a critical role in farmland ecosystems, especially in improving soil fertility; however, little is known about the changes in fungal communities caused by mudflat reclamation under rice cultivation. In this study, mudflats located in Yancheng, China, which were divided into nine plots with 0, 11, and 20 years of successive rice cultivation histories, were sampled to determine the fungal community composition by using Illumina MiSeq sequencing. Results show that the Shannon diversity of the fungal communities did not change significantly but the species richness increased under mudflat reclamation with long-term rice cultivation. Ascomycota was the dominant phylum throughout the reclaimed mudflats samples, while Sordariomycetes was the dominant class. Fungal functional prediction found that the relative abundance of saprotrophs gradually increased with mudflat reclamation and mainly belonged to Ascomycota after 20 years of successive reclamation. Redundancy analysis showed that electrical conductivity, organic matter, and total nitrogen were the main factors affecting the composition and ecological function of the fungal community during mudflat reclamation. In short, a fungal community dominated by Ascomycota was established during mudflat reclamation under rice cultivation, which is more conducive to promoting soil fertility because of the higher proportion of saprotrophic fungi in Ascomycota.

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“…Previous researches focused on the effect of agricultural management practices such as fertilization regimes, land use, irrigation patterns and water management on microbial community in agricultural land (Li et al, 2012;Chaudhry et al, 2012;Itoh et al, 2013;Dong et al, 2014), however, relatively little research on drainage ditch have been done. Drainage management is an important practice in cold waterlogged paddy fields.…”

Section: Discussionmentioning

confidence: 99%

Microbial responses in a cold waterlogged paddy field to different distances from a drainage ditch

Fang

Wang

Chen

et al. 2017

Chilean J. Agric. Res.

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Cold waterlogged paddy field is a type of low-yield paddy soil, and opening a drainage ditch has been suggested to improve waterlogged paddy soil and to increase the rice yield. However, little has been done on the role of a drainage ditch in ameliorating waterlogged soil. In the present study, rice (Oryza sativa L.) yield, soil physicochemical properties, microbial abundances and community structures in the surface soil of a cold waterlogged paddy field, which has three treatments with different distances from a drainage ditch including 5, 15 and 25 m were investigated. The results showed that opening a drainage ditch had a significant effect on the rice yield and soil physicochemical properties. Sampling sites near the drainage ditch such as 5 m-site had higher yield and soil nutrients, however, 25 m-site had lower values. Bacterial 16S rRNA gene did not exhibit a regular pattern but fungal abundance decreased sharply with increasing distance from the drainage ditch. The most abundant bacterial phyla across all soil samples were Proteobacteria, Acidobacteria, Planctomycetes and Chloroflexi. Abundant fungal phyla were Ascomycota, Zygomycota and Basidiomycota. Three treatments had similar microbial community compositions but with different relative abundances. The Bray-Curtis distance demonstrated that microbial community structures were divided into two major groups, samples of 5 m-and 15 m-site clustered into one group and samples of 25 m-site was another group. Moreover, redundancy analysis revealed that soil redox potential and total reducing substances were significant factors in shaping microbial community structures. The abundant aerobic bacteria were observed at the 5 m-and 15 m-site, in contrast, abundant anaerobic bacteria were observed at the 25 m-site. In conclusion, opening a drainage ditch in cold waterlogged paddy fields affects rice yield, soil nutrients, microbial abundances and community structures.

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Temporal variation of soil friedelin and microbial community under different land uses in a long-term agroecosystem

Cited by 36 publications

References 42 publications

Allelochemical-mediated soil microbial community in long-term monospecific Chinese fir forest plantations

Allelochemical-mediated soil microbial community in long-term monospecific Chinese fir forest plantations

Mudflat reclamation causes change in the composition of fungal communities under long-term rice cultivation

Microbial responses in a cold waterlogged paddy field to different distances from a drainage ditch

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