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Soil biota, carbon cycling and crop plant biomass responses to biochar in a temperate mesocosm experiment

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Soil biota, carbon cycling and crop plant biomass responses to biochar in a temperate mesocosm experiment. / McCormack, S.A.; Ostle, N.; Bardgett, R.D.; Hopkins, D.W.; Pereira, M.G.; Vanbergen, A.J.

In: Plant and Soil, Vol. 440, No. 1-2, 14.07.2019, p. 341-356.

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McCormack, SA, Ostle, N, Bardgett, RD, Hopkins, DW, Pereira, MG & Vanbergen, AJ 2019, 'Soil biota, carbon cycling and crop plant biomass responses to biochar in a temperate mesocosm experiment', Plant and Soil, vol. 440, no. 1-2, pp. 341-356. https://doi.org/10.1007/s11104-019-04062-5

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Author

McCormack, S.A. ; Ostle, N. ; Bardgett, R.D. ; Hopkins, D.W. ; Pereira, M.G. ; Vanbergen, A.J. / Soil biota, carbon cycling and crop plant biomass responses to biochar in a temperate mesocosm experiment. In: Plant and Soil. 2019 ; Vol. 440, No. 1-2. pp. 341-356.

Bibtex

@article{23495424afb14f34be534375c81f7948,
title = "Soil biota, carbon cycling and crop plant biomass responses to biochar in a temperate mesocosm experiment",
abstract = "Background and aims: Biochar addition to soil is a carbon capture and storage option with potential to mitigate rising atmospheric CO 2 concentrations, yet the consequences for soil organisms and linked ecosystem processes are inconsistent or unknown. We tested biochar impact on soil biodiversity, ecosystem functions, and their interactions, in temperate agricultural soils. Methods: We performed a 27-month factorial experiment to determine effects of biochar, soil texture, and crop species treatments on microbial biomass (PFLA), soil invertebrate density, crop biomass and ecosystem CO 2 flux in plant-soil mesocosms. Results: Overall soil microbial biomass, microarthropod abundance and crop biomass were unaffected by biochar, although there was an increase in fungal-bacterial ratio and a positive relationship between the 16:1ω5 fatty acid marker of AMF mass and collembolan density in the biochar-treated mesocosms. Ecosystem CO 2 fluxes were unaffected by biochar, but soil carbon content of biochar-treated mesocosms was significantly lower, signifying a possible movement/loss of biochar or priming effect. Conclusions: Compared to soil texture and crop type, biochar had minimal impact on soil biota, crop production and carbon cycling. Future research should examine subtler effects of biochar on biotic regulation of ecosystem production and if the apparent robustness to biochar weakens over greater time spans or in combination with other ecological perturbations. ",
keywords = "AM fungi, Biodiversity-function, Charcoal, Collembola, Crop production, Ecosystem CO 2 flux, Mites, Nematode, PLFA, Soil carbon cycling, Soil community",
author = "S.A. McCormack and N. Ostle and R.D. Bardgett and D.W. Hopkins and M.G. Pereira and A.J. Vanbergen",
year = "2019",
month = jul,
day = "14",
doi = "10.1007/s11104-019-04062-5",
language = "English",
volume = "440",
pages = "341--356",
journal = "Plant and Soil",
issn = "0032-079X",
publisher = "Springer International Publishing AG",
number = "1-2",

}

RIS

TY - JOUR

T1 - Soil biota, carbon cycling and crop plant biomass responses to biochar in a temperate mesocosm experiment

AU - McCormack, S.A.

AU - Ostle, N.

AU - Bardgett, R.D.

AU - Hopkins, D.W.

AU - Pereira, M.G.

AU - Vanbergen, A.J.

PY - 2019/7/14

Y1 - 2019/7/14

N2 - Background and aims: Biochar addition to soil is a carbon capture and storage option with potential to mitigate rising atmospheric CO 2 concentrations, yet the consequences for soil organisms and linked ecosystem processes are inconsistent or unknown. We tested biochar impact on soil biodiversity, ecosystem functions, and their interactions, in temperate agricultural soils. Methods: We performed a 27-month factorial experiment to determine effects of biochar, soil texture, and crop species treatments on microbial biomass (PFLA), soil invertebrate density, crop biomass and ecosystem CO 2 flux in plant-soil mesocosms. Results: Overall soil microbial biomass, microarthropod abundance and crop biomass were unaffected by biochar, although there was an increase in fungal-bacterial ratio and a positive relationship between the 16:1ω5 fatty acid marker of AMF mass and collembolan density in the biochar-treated mesocosms. Ecosystem CO 2 fluxes were unaffected by biochar, but soil carbon content of biochar-treated mesocosms was significantly lower, signifying a possible movement/loss of biochar or priming effect. Conclusions: Compared to soil texture and crop type, biochar had minimal impact on soil biota, crop production and carbon cycling. Future research should examine subtler effects of biochar on biotic regulation of ecosystem production and if the apparent robustness to biochar weakens over greater time spans or in combination with other ecological perturbations.

AB - Background and aims: Biochar addition to soil is a carbon capture and storage option with potential to mitigate rising atmospheric CO 2 concentrations, yet the consequences for soil organisms and linked ecosystem processes are inconsistent or unknown. We tested biochar impact on soil biodiversity, ecosystem functions, and their interactions, in temperate agricultural soils. Methods: We performed a 27-month factorial experiment to determine effects of biochar, soil texture, and crop species treatments on microbial biomass (PFLA), soil invertebrate density, crop biomass and ecosystem CO 2 flux in plant-soil mesocosms. Results: Overall soil microbial biomass, microarthropod abundance and crop biomass were unaffected by biochar, although there was an increase in fungal-bacterial ratio and a positive relationship between the 16:1ω5 fatty acid marker of AMF mass and collembolan density in the biochar-treated mesocosms. Ecosystem CO 2 fluxes were unaffected by biochar, but soil carbon content of biochar-treated mesocosms was significantly lower, signifying a possible movement/loss of biochar or priming effect. Conclusions: Compared to soil texture and crop type, biochar had minimal impact on soil biota, crop production and carbon cycling. Future research should examine subtler effects of biochar on biotic regulation of ecosystem production and if the apparent robustness to biochar weakens over greater time spans or in combination with other ecological perturbations.

KW - AM fungi

KW - Biodiversity-function

KW - Charcoal

KW - Collembola

KW - Crop production

KW - Ecosystem CO 2 flux

KW - Mites

KW - Nematode

KW - PLFA

KW - Soil carbon cycling

KW - Soil community

U2 - 10.1007/s11104-019-04062-5

DO - 10.1007/s11104-019-04062-5

M3 - Journal article

VL - 440

SP - 341

EP - 356

JO - Plant and Soil

JF - Plant and Soil

SN - 0032-079X

IS - 1-2

ER -