Skip to main content

Advertisement

Log in

Influence of introduced arbuscular mycorrhizal fungi and phosphorus sources on plant traits, soil properties, and rhizosphere microbial communities in organic legume-flax rotation

  • Regular Article
  • Published:
Plant and Soil Aims and scope Submit manuscript

Abstract

Aims

We identify P management strategies combining arbuscular mycorrhizal fungal (AMF) inoculation with rock phosphate or composted manure for intensive organic grain-production systems.

Methods

We measured the response of plants traits and soil properties to the factorial combination of three rates of organic-approved P sources applied in rotation phase-1 of legume–flax cropping systems, and of granular AMF inoculant applied in the first, second, or both rotation phases, or not applied. Treatment combinations effects on the rhizosphere communities of AMF, fungi, and bacteria were tested by amplicon sequencing, in two pedoclimates.

Results

Inoculation had limited effects in both environments. Composted manure decreased lentil yield, but increased lentil N and P concentrations and soil P fertility on the Chernozem, while increasing pea productivity on the Luvisol. Composted manure applied in rotation phase-1 had a residual effect on flax productivity, N and P concentrations, and soil P fertility in both environments. Rock phosphate reduced soil P fertility and flax productivity on the Gray Luvisol. The β diversity of the rhizosphere communities was unaffected by treatments, while the α diversity of bacteria and AMF was altered by AMF inoculation and fertilization only in the Gray Luvisol. Correlations between microbial species and plant traits or soil properties were inconsistent, reflecting the complex relationships among microbial community, plant identity, and environmental conditions.

Conclusion

Here, composted manure was more influential than AMF inoculation and rock phosphate. Given the influence of environmental conditions, small field trials are recommended before wide-scale adoption of their use.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4

Similar content being viewed by others

References

Download references

Acknowledgements

This research was financially supported by the Western Grains Research Foundation, the International Plant Nutrition Institute, Premier Tech, and the Government of Canada through Growing Forward. We are grateful to Keith Hanson, Lee Poppy, Greg Semach, Andrea Eastman, and Mandy Collins for setting up the experimental plots, and collecting samples and experimental data, and to the Lethbridge Research and Development Centre and Francis Larney for providing the composted manure and critically reviewing the manuscript. We also thank Mario Laterrière and David Gagné for their help in processing the sequence data.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Chantal Hamel.

Additional information

Responsible Editor: Thom W. Kuyper.

Publisher’s note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Electronic supplementary material

ESM 1

(XLSX 15 kb)

ESM 2

(DOCX 186 kb)

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Li, Y., Gan, Y., Lupwayi, N. et al. Influence of introduced arbuscular mycorrhizal fungi and phosphorus sources on plant traits, soil properties, and rhizosphere microbial communities in organic legume-flax rotation. Plant Soil 443, 87–106 (2019). https://doi.org/10.1007/s11104-019-04213-8

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11104-019-04213-8

Keywords

Navigation