Reshaping the rhizosphere microbiome by bio-organic amendment to enhance crop yield in a maize-cabbage rotation system

Cece Qiao, Christopher Penton, Wu Xiong, Chao Liu, Roufei Wang, Zhengyang Liu, Xu Xu, Rong Li, Qirong Shen

Research output: Contribution to journalArticle

Abstract

Characterizing the rhizosphere microbial community composition associated with enhanced crop yield is an important first step towards understanding the role of the microbiota in soil fertility. In the present study, we conducted a two-seasons field experiment in a maize-cabbage cropping system under chemical (CF), organic (OF) and bio-organic (BOF) fertilizer regimes as a model to investigate the combinatory effect of fertilizer treatment and crop type on rhizosphere soil microbiota by targeted sequencing of both the bacterial and fungal communities. The two-seasons sustainable application of bio-organic fertilizer (BOF) containing Trichoderma effectively increased maize and cabbage yields, whereas organic fertilizer (OF) increased but not significant, compared to the application of chemical fertilizer (CF). Both fertilizer treatment and crop type induced a significant effect on soil physiochemical properties and were the major factors that impacted the composition of the rhizosphere soil microbiome. Relative abundances of Trichoderma were significantly enhanced in the BOF treatment, compared to the OF and CF treatments, and exhibited significant positive relationships with crop yield improvement. The application of bio-organic fertilizer may enhance the growth promotion effect of Trichoderma and increase the abundance of potentially beneficial microbial groups such as the genera Cladorrhinum and Massilia, which were found to be highly correlated to increased crop yields. Overall, the influence of bio-organic fertilizer on crop yield is proposed to be through mechanisms by introduction of the target strain NJAU 4742 and stimulation of a potentially beneficial microbial consortia, in combination with alterations in fungal and bacterial composition and abundance, leading to an enhancement in crop yield.

Original languageEnglish (US)
JournalApplied Soil Ecology
DOIs
StatePublished - Jan 1 2019

Fingerprint

Rhizosphere
Brassica
Microbiota
Fertilizers
cabbage
crop yield
Zea mays
rhizosphere
maize
fertilizer
organic fertilizers
corn
Trichoderma
fertilizer application
fertilizers
Massilia
Soil
growth promotion
fungal communities
crops

Keywords

  • Crop type
  • Fertilizer treatment
  • Microbial community
  • MiSeq platform
  • Yield promotion

ASJC Scopus subject areas

  • Ecology
  • Agricultural and Biological Sciences (miscellaneous)
  • Soil Science

Cite this

Reshaping the rhizosphere microbiome by bio-organic amendment to enhance crop yield in a maize-cabbage rotation system. / Qiao, Cece; Penton, Christopher; Xiong, Wu; Liu, Chao; Wang, Roufei; Liu, Zhengyang; Xu, Xu; Li, Rong; Shen, Qirong.

In: Applied Soil Ecology, 01.01.2019.

Research output: Contribution to journalArticle

Qiao, Cece ; Penton, Christopher ; Xiong, Wu ; Liu, Chao ; Wang, Roufei ; Liu, Zhengyang ; Xu, Xu ; Li, Rong ; Shen, Qirong. / Reshaping the rhizosphere microbiome by bio-organic amendment to enhance crop yield in a maize-cabbage rotation system. In: Applied Soil Ecology. 2019.
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