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Cited by 507

The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.

Biochar Impacts Soil Microbial Community Composition and Nitrogen Cycling in an Acidic Soil Planted with Rape

Xu, Hui-Juan, Wang, Xiao-Hui, Li, Hu, Yao, Huai-Ying, Su, Jian-Qiang, Zhu, Yong-Guan·2014·Environmental Science & Technology

Abstract

Biochar has been suggested to improve acidic soils and to mitigate greenhouse gas emissions. However, little has been done on the role of biochar in ameliorating acidified soils induced by overuse of nitrogen fertilizers. In this study, we designed a pot trial with an acidic soil (pH 4.48) in a greenhouse to study the interconnections between microbial community, soil chemical property changes, and N2O emissions after biochar application. The results showed that biochar increased plant growth, soil pH, total carbon, total nitrogen, C/N ratio, and soil cation exchange capacity. The results of high-throughput sequencing showed that biochar application increased α-diversity significantly and changed the relative abundances of some microbes that are related with carbon and nitrogen cycling at the family level. Biochar amendment stimulated both nitrification and denitrification processes, while reducing N2O emissions overall. Results of redundancy analysis indicated biochar could shift the soil microbial community by changing soil chemical properties, which modulate N-cycling processes and soil N2O emissions. The significantly increased nosZ transcription suggests that biochar decreased soil N2O emissions by enhancing its further reduction to N2.

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Metadata

Authors
Xu, H.-J., Wang, X.-H., Li, H., Yao, H.-Y., Su, J.-Q., & Zhu, Y.-G.
Venue
Environmental Science & Technology
Published
2014-08-01
Volume
48
Issue
16
Pages
9391-9399
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2072378931
Cited by
507
References
56
FWCI
37.32
Type
journal article
Language
en
Open access
closed

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