Contrast in soil microbial metabolic functional diversity to fertilization and crop rotation under rhizosphere and non-rhizosphere in the coal gangue landfill reclamation area of Loess Hills

PloS One
Bian-Hua ZhangChun-Hua Gao

Abstract

Very poor reclaimed soil quality and weak microbial activity occur in the reclamation area of a coal gangue landfill in the Loess Hills. The fourth and fifth years after farmland soil was reclaimed were studied, and the changes in and carbon source utilization characteristics of rhizosphere (R) and non-rhizosphere (S) soil microorganisms under organic and inorganic (OF), inorganic (F), and organic (O) fertilizer application and a control treatment (CK) in soybean (S) and maize (M) rotation systems were compared and analysed in Guljiao Tunlan, Shanxi Province, China. Biolog-EcoPlate technology was used to analyse the mechanism of soil characteristic change from the perspective of soil microbial metabolism function to provide a theoretical basis for reclamation and ecological reconstruction in this area. The average well colour development (AWCD) absorption and Shannon-Wiener index values of soybean and maize rhizosphere microorganisms were higher than those of non-rhizosphere microorganisms, and the mean value of the fertilizer treatment was higher than that for CK. Principal component analysis shows the main carbon sources that impact the functional diversity of the soybean rhizosphere and non-rhizosphere soil communities are a...Continue Reading

References

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Jun 1, 2011·Journal of Ocular Biology, Diseases, and Informatics·Sarah X ZhangJoshua J Wang
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Aug 4, 2018·Science·Joshua E GoldfordAlvaro Sanchez

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Citations

Mar 6, 2021·International Microbiology : the Official Journal of the Spanish Society for Microbiology·Ayomide Emmanuel FadijiOlubukola Oluranti Babalola
Feb 19, 2021·Journal of Environmental Management·Yahya KoochGhasem Ali Dianati Tilaki

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Methods Mentioned

BETA
PCA
electrophoresis

Software Mentioned

Biolog
SPSS
Canoco
MS
Excel
ECO

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