Bacterial and fungal co-occurrence patterns in agricultural soils amended with compost and bokashi

Yujia Luo; Juan Bautista Gonzalez Lopez; H. Pieter J. van Veelen; Valentina Sechi; Annemiek ter Heijne; T. Martijn Bezemer; Cees J.N. Buisman

doi:10.1016/j.soilbio.2022.108831

Bacterial and fungal co-occurrence patterns in agricultural soils amended with compost and bokashi

Yujia Luo^* (Corresponding author), Juan Bautista Gonzalez Lopez, H. Pieter J. van Veelen, Valentina Sechi, Annemiek ter Heijne, T. Martijn Bezemer, Cees J.N. Buisman

^*Corresponding author for this work

NIOO - Terrestrial Ecology (TE)

Research output: Contribution to journal/periodical › Article › Scientific › peer-review

14 Citations (Scopus)

Abstract

The living soil harbors a significant number and diversity of bacteria and fungi, which are essential in sustaining soil ecosystem functions. Most studies focus on soil bacteria or fungi, ignoring potential interrelationships between kingdoms that coevolve and synergistically provide ecosystem functions. In a seven-year agricultural field, we explored the effects of organic amendments (OAs; i.e., compost and bokashi) on intra- and inter-kingdom co-occurrence networks of soil bacterial and fungal communities. We observed that OAs changed the co-occurrence patterns of bacteria and fungi. Distinct network modules were observed in the unamended and amended soils, and the physicochemical properties of the soil could partially explain the formation of these modules. We also found that compost and bokashi increased the proportion of positive correlations, and this could reduce competition among microorganisms for soil resources. Our study reveals that soil management with OAs affects relationships between bacterial and fungal subpopulations that physically co-exist, cooperate, and compete in non-random structured networks. It highlights that ecosystem functions may depend on inter-kingdom interactions shaped by different amendments and their applied dose.

Original language	English
Article number	108831
Journal	Soil Biology and Biochemistry
Volume	174
DOIs	https://doi.org/10.1016/j.soilbio.2022.108831
Publication status	Published - 2022

Keywords

Co-occurrence network
Field experiment
Inter-kingdom correlations
Organic amendments

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10.1016/j.soilbio.2022.108831Licence: CC BY

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title = "Bacterial and fungal co-occurrence patterns in agricultural soils amended with compost and bokashi",

abstract = "The living soil harbors a significant number and diversity of bacteria and fungi, which are essential in sustaining soil ecosystem functions. Most studies focus on soil bacteria or fungi, ignoring potential interrelationships between kingdoms that coevolve and synergistically provide ecosystem functions. In a seven-year agricultural field, we explored the effects of organic amendments (OAs; i.e., compost and bokashi) on intra- and inter-kingdom co-occurrence networks of soil bacterial and fungal communities. We observed that OAs changed the co-occurrence patterns of bacteria and fungi. Distinct network modules were observed in the unamended and amended soils, and the physicochemical properties of the soil could partially explain the formation of these modules. We also found that compost and bokashi increased the proportion of positive correlations, and this could reduce competition among microorganisms for soil resources. Our study reveals that soil management with OAs affects relationships between bacterial and fungal subpopulations that physically co-exist, cooperate, and compete in non-random structured networks. It highlights that ecosystem functions may depend on inter-kingdom interactions shaped by different amendments and their applied dose.",

keywords = "Co-occurrence network, Field experiment, Inter-kingdom correlations, Organic amendments",

author = "Yujia Luo and {Gonzalez Lopez}, {Juan Bautista} and {van Veelen}, {H. Pieter J.} and Valentina Sechi and {ter Heijne}, Annemiek and Bezemer, {T. Martijn} and Buisman, {Cees J.N.}",

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T1 - Bacterial and fungal co-occurrence patterns in agricultural soils amended with compost and bokashi

AU - Luo, Yujia

AU - Gonzalez Lopez, Juan Bautista

AU - van Veelen, H. Pieter J.

AU - Sechi, Valentina

AU - ter Heijne, Annemiek

AU - Bezemer, T. Martijn

AU - Buisman, Cees J.N.

N1 - 7474, TE

PY - 2022

Y1 - 2022

N2 - The living soil harbors a significant number and diversity of bacteria and fungi, which are essential in sustaining soil ecosystem functions. Most studies focus on soil bacteria or fungi, ignoring potential interrelationships between kingdoms that coevolve and synergistically provide ecosystem functions. In a seven-year agricultural field, we explored the effects of organic amendments (OAs; i.e., compost and bokashi) on intra- and inter-kingdom co-occurrence networks of soil bacterial and fungal communities. We observed that OAs changed the co-occurrence patterns of bacteria and fungi. Distinct network modules were observed in the unamended and amended soils, and the physicochemical properties of the soil could partially explain the formation of these modules. We also found that compost and bokashi increased the proportion of positive correlations, and this could reduce competition among microorganisms for soil resources. Our study reveals that soil management with OAs affects relationships between bacterial and fungal subpopulations that physically co-exist, cooperate, and compete in non-random structured networks. It highlights that ecosystem functions may depend on inter-kingdom interactions shaped by different amendments and their applied dose.

AB - The living soil harbors a significant number and diversity of bacteria and fungi, which are essential in sustaining soil ecosystem functions. Most studies focus on soil bacteria or fungi, ignoring potential interrelationships between kingdoms that coevolve and synergistically provide ecosystem functions. In a seven-year agricultural field, we explored the effects of organic amendments (OAs; i.e., compost and bokashi) on intra- and inter-kingdom co-occurrence networks of soil bacterial and fungal communities. We observed that OAs changed the co-occurrence patterns of bacteria and fungi. Distinct network modules were observed in the unamended and amended soils, and the physicochemical properties of the soil could partially explain the formation of these modules. We also found that compost and bokashi increased the proportion of positive correlations, and this could reduce competition among microorganisms for soil resources. Our study reveals that soil management with OAs affects relationships between bacterial and fungal subpopulations that physically co-exist, cooperate, and compete in non-random structured networks. It highlights that ecosystem functions may depend on inter-kingdom interactions shaped by different amendments and their applied dose.

KW - Co-occurrence network

KW - Field experiment

KW - Inter-kingdom correlations

KW - Organic amendments

U2 - 10.1016/j.soilbio.2022.108831

DO - 10.1016/j.soilbio.2022.108831

M3 - Article

AN - SCOPUS:85138449958

SN - 0038-0717

VL - 174

JO - Soil Biology and Biochemistry

JF - Soil Biology and Biochemistry

M1 - 108831

ER -

Bacterial and fungal co-occurrence patterns in agricultural soils amended with compost and bokashi

Abstract

Keywords

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