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Effect of long-term fertilization strategies on bacterial community composition in a 35-year field experiment of Chinese Mollisols

Overview of attention for article published in AMB Express, February 2018
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Title
Effect of long-term fertilization strategies on bacterial community composition in a 35-year field experiment of Chinese Mollisols
Published in
AMB Express, February 2018
DOI 10.1186/s13568-018-0549-8
Pubmed ID
Authors

Mingchao Ma, Jing Zhou, Marc Ongena, Wenzheng Liu, Dan Wei, Baisuo Zhao, Dawei Guan, Xin Jiang, Jun Li

Abstract

Bacteria play vital roles in soil biological fertility; however, it remains poorly understood about their response to long-term fertilization in Chinese Mollisols, especially when organic manure is substituted for inorganic nitrogen (N) fertilizer. To broaden our knowledge, high-throughput pyrosequencing and quantitative PCR were used to explore the impacts of inorganic fertilizer and manure on bacterial community composition in a 35-year field experiment of Chinese Mollisols. Soils were collected from four treatments: no fertilizer (CK), inorganic phosphorus (P) and potassium (K) fertilizer (PK), inorganic P, K, and N fertilizer (NPK), and inorganic P and K fertilizer plus manure (MPK). All fertilization differently changed soil properties. Compared with CK, the PK and NPK treatments acidified soil by significantly decreasing soil pH from 6.48 to 5.53 and 6.16, respectively, while MPK application showed no significant differences of soil pH, indicating alleviation of soil acidification. Moreover, all fertilization significantly increased soil organic matter (OM) and soybean yields, with the highest observed under MPK regime. In addition, the community composition at each taxonomic level varied considerably among the fertilization strategies. Bacterial taxa, associated with plant growth promotion, OM accumulation, disease suppression, and increased soil enzyme activity, were overrepresented in the MPK regime, while they were present at low abundant levels under NPK treatment, i.e. phyla Proteobacteria and Bacteroidetes, class Alphaproteobacteria, and genera Variovorax, Chthoniobacter, Massilia, Lysobacter, Catelliglobosispora and Steroidobacter. The application of MPK shifted soil bacterial community composition towards a better status, and such shifts were primarily derived from changes in soil pH and OM.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 28 100%

Demographic breakdown

Readers by professional status Count As %
Unspecified 8 29%
Researcher 6 21%
Student > Ph. D. Student 5 18%
Student > Doctoral Student 3 11%
Student > Postgraduate 2 7%
Other 4 14%
Readers by discipline Count As %
Agricultural and Biological Sciences 11 39%
Unspecified 10 36%
Environmental Science 4 14%
Computer Science 1 4%
Psychology 1 4%
Other 1 4%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 26 June 2018.
All research outputs
#10,472,332
of 13,138,880 outputs
Outputs from AMB Express
#668
of 836 outputs
Outputs of similar age
#253,113
of 349,457 outputs
Outputs of similar age from AMB Express
#5
of 5 outputs
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