Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes
Soil organic amendments can change microbial communities, potentially impacting their resilience to environmental stresses and, consequently, their transformation of soil carbon and nitrogen. While several studies have investigated the impact of a few organic amendments on microbial resilience to st...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-11-01
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| Series: | Geoderma |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0016706123003506 |
| _version_ | 1797634034554109952 |
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| author | D.D. Kok W. de Vries L. Scherer P.M. van Bodegom |
| author_facet | D.D. Kok W. de Vries L. Scherer P.M. van Bodegom |
| author_sort | D.D. Kok |
| collection | DOAJ |
| description | Soil organic amendments can change microbial communities, potentially impacting their resilience to environmental stresses and, consequently, their transformation of soil carbon and nitrogen. While several studies have investigated the impact of a few organic amendments on microbial resilience to stresses in the form of absolute change in environmental conditions, the potential stress effects of different rates of change have received much less attention. The rate of change in environmental properties such as temperature may induce different microbial stress responses, given the reliance of microbial defensive mechanisms on time-dependent signalling and activation processes. In this research, we explored the relevance of the rate of temperature change as a microbial stressor and evaluated the potential use of organic amendments in steering soil ecological response. We monitored the changes in microbial properties and concentrations of different carbon and nitrogen fractions to temperature change treatments of 2.5 and 30 °C/d after the application of three commonly available rural organic amendments to a podzol soil in a laboratory incubation study. Results showed significant effects of the temperature treatments on bacterial and total microbial DNA concentrations, as well as on dissolvable and insoluble carbon and nitrogen ratios regardless of the organic amendment treatment. Temperature impacts on respiration rates, priming rates and the concentration of soil hot water extractable carbon and nitrogen differed depending on the organic amendment treatment. Results demonstrated that compost-amended soils were least sensitive to the temperature treatments, while grasses and fermented grasses treatments were generally more sensitive while showing opposite responses. Our findings indicate that organic amendments might be utilized to manipulate the impact of environmental stresses on soil carbon and nitrogen concentrations, and highlight the need for future research to investigate the relevant ecological properties and mechanisms. |
| first_indexed | 2024-03-11T12:02:06Z |
| format | Article |
| id | doaj.art-dac60f6923e64008b9f8a0e376ec79ba |
| institution | Directory Open Access Journal |
| issn | 1872-6259 |
| language | English |
| last_indexed | 2024-03-11T12:02:06Z |
| publishDate | 2023-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Geoderma |
| spelling | doaj.art-dac60f6923e64008b9f8a0e376ec79ba2023-11-08T04:08:44ZengElsevierGeoderma1872-62592023-11-01439116673Contrasting effects of different organic amendments on the microbial responses to extreme temperature changesD.D. Kok0W. de Vries1L. Scherer2P.M. van Bodegom3Institute of Environmental Sciences, Leiden University, Leiden, The Netherlands; Corresponding author.Wageningen University and Research, Wageningen, The NetherlandsInstitute of Environmental Sciences, Leiden University, Leiden, The NetherlandsInstitute of Environmental Sciences, Leiden University, Leiden, The NetherlandsSoil organic amendments can change microbial communities, potentially impacting their resilience to environmental stresses and, consequently, their transformation of soil carbon and nitrogen. While several studies have investigated the impact of a few organic amendments on microbial resilience to stresses in the form of absolute change in environmental conditions, the potential stress effects of different rates of change have received much less attention. The rate of change in environmental properties such as temperature may induce different microbial stress responses, given the reliance of microbial defensive mechanisms on time-dependent signalling and activation processes. In this research, we explored the relevance of the rate of temperature change as a microbial stressor and evaluated the potential use of organic amendments in steering soil ecological response. We monitored the changes in microbial properties and concentrations of different carbon and nitrogen fractions to temperature change treatments of 2.5 and 30 °C/d after the application of three commonly available rural organic amendments to a podzol soil in a laboratory incubation study. Results showed significant effects of the temperature treatments on bacterial and total microbial DNA concentrations, as well as on dissolvable and insoluble carbon and nitrogen ratios regardless of the organic amendment treatment. Temperature impacts on respiration rates, priming rates and the concentration of soil hot water extractable carbon and nitrogen differed depending on the organic amendment treatment. Results demonstrated that compost-amended soils were least sensitive to the temperature treatments, while grasses and fermented grasses treatments were generally more sensitive while showing opposite responses. Our findings indicate that organic amendments might be utilized to manipulate the impact of environmental stresses on soil carbon and nitrogen concentrations, and highlight the need for future research to investigate the relevant ecological properties and mechanisms.http://www.sciencedirect.com/science/article/pii/S0016706123003506Soil microbial communitySoil carbon fractionsSoil nitrogen fractionsMicrobial stress responseRate of temperature change |
| spellingShingle | D.D. Kok W. de Vries L. Scherer P.M. van Bodegom Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes Geoderma Soil microbial community Soil carbon fractions Soil nitrogen fractions Microbial stress response Rate of temperature change |
| title | Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes |
| title_full | Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes |
| title_fullStr | Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes |
| title_full_unstemmed | Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes |
| title_short | Contrasting effects of different organic amendments on the microbial responses to extreme temperature changes |
| title_sort | contrasting effects of different organic amendments on the microbial responses to extreme temperature changes |
| topic | Soil microbial community Soil carbon fractions Soil nitrogen fractions Microbial stress response Rate of temperature change |
| url | http://www.sciencedirect.com/science/article/pii/S0016706123003506 |
| work_keys_str_mv | AT ddkok contrastingeffectsofdifferentorganicamendmentsonthemicrobialresponsestoextremetemperaturechanges AT wdevries contrastingeffectsofdifferentorganicamendmentsonthemicrobialresponsestoextremetemperaturechanges AT lscherer contrastingeffectsofdifferentorganicamendmentsonthemicrobialresponsestoextremetemperaturechanges AT pmvanbodegom contrastingeffectsofdifferentorganicamendmentsonthemicrobialresponsestoextremetemperaturechanges |