Unveiling the crucial role of soil microorganisms in carbon cycling: A review

The Science of The Total Environment, Год журнала: 2023, Номер 909, С. 168627 - 168627

Опубликована: Ноя. 17, 2023

Язык: Английский

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Priming effects induced by degradable microplastics in agricultural soils

Soil Biology and Biochemistry, Год журнала: 2023, Номер 180, С. 109006 - 109006

Опубликована: Март 6, 2023

Язык: Английский

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Decreasing microbial phosphorus limitation increases soil carbon release

Geoderma, Год журнала: 2022, Номер 419, С. 115868 - 115868

Опубликована: Апрель 7, 2022

Язык: Английский

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Soil organic matter priming: The pH effects

Global Change Biology, Год журнала: 2024, Номер 30(6)

Опубликована: Июнь 1, 2024

Priming of soil organic matter (SOM) decomposition by microorganisms is a key phenomenon global carbon (C) cycling. Soil pH main factor defining priming effects (PEs) because it (i) controls microbial community composition and activities, including enzyme (ii) defines SOM stabilization destabilization mechanisms, (iii) regulates intensities many biogeochemical processes. In this critical review, we focus on prerequisites mechanisms PE depending assess the change consequences for PE. The highest PEs were common in soils with between 5.5 7.5, whereas low molecular weight compounds triggered mainly slightly acidic soils. Positive up to 20 times before C input at around 6.5. Negative below 4.5 or above 7 reflecting suboptimal environment specific high pH. Short-term acidification (in rhizosphere, after fertilizer application) affects by: mineral-SOM complexation, oxidation iron reduction, enzymatic depolymerization, pH-dependent changes nutrient availability. Biological processes metabolism shift over short-term, long-term adaptations slow are common. nitrogen fertilization induced land use intensification strongly decrease thus boost Concluding, one strongest but now disregarded factors PE, through short-term metabolic adaptation groups communities.

Язык: Английский

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Organic fertilization increased soil organic carbon stability and sequestration by improving aggregate stability and iron oxide transformation in saline-alkaline soil

Plant and Soil, Год журнала: 2022, Номер 474(1-2), С. 233 - 249

Опубликована: Фев. 24, 2022

Язык: Английский

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Viral lysing can alleviate microbial nutrient limitations and accumulate recalcitrant dissolved organic matter components in soil

The ISME Journal, Год журнала: 2023, Номер 17(8), С. 1247 - 1256

Опубликована: Май 29, 2023

Язык: Английский

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Long‐term nitrogen deposition inhibits soil priming effects by enhancing phosphorus limitation in a subtropical forest

Global Change Biology, Год журнала: 2023, Номер 29(14), С. 4081 - 4093

Опубликована: Апрель 25, 2023

It is widely accepted that phosphorus (P) limits microbial metabolic processes and thus soil organic carbon (SOC) decomposition in tropical forests. Global change factors like elevated atmospheric nitrogen (N) deposition can enhance P limitation, raising concerns about the fate of SOC. However, how N affects priming effect (PE) (i.e., fresh C inputs induced changes SOC decomposition) forests remains unclear. We incubated soils exposed to 9 years experimental a subtropical evergreen broadleaved forest with two types 13 C-labeled substrates contrasting bioavailability (glucose cellulose) without amendments. found decreased total biomass P, suggesting enhanced limitation. In unamended soils, significantly inhibited PE. contrast, adding increased PE under by larger extent for cellulose (PEcellu ) than glucose (PEglu ). Relative or solely, alleviated suppression C-acquiring enzymes deposition, whereas attenuated stimulation acid phosphatase (AP) deposition. Across treatments, PEglu as enzyme activity increased, PEcellu AP decreased. This suggests inhibits through varying mechanisms depending on substrate bioavailability; is, limitation regulates affecting growth investment acquisition, acquisition. These findings provide new insights impacted loading, expected quality affect long-term regulation

Язык: Английский

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Experimental warming accelerates positive soil priming in a temperate grassland ecosystem

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Фев. 8, 2024

Abstract Unravelling biosphere feedback mechanisms is crucial for predicting the impacts of global warming. Soil priming, an effect fresh plant-derived carbon (C) on native soil organic (SOC) decomposition, a key mechanism that could release large amounts C into atmosphere. However, climate warming priming remain elusive. Here, we show experimental accelerates by 12.7% in temperate grassland. Warming alters bacterial communities, with 38% unique active phylotypes detected under The functional genes essential decomposition are also stimulated, which be linked to effects. We incorporate lab-derived information ecosystem model showing parameter uncertainty can reduced 32–37%. Model simulations from 2010 2016 indicate increase warming, 9.1% rise priming-induced CO 2 emissions. If our findings generalized other ecosystems over extended period time, play important role terrestrial cycle feedbacks and change.

Язык: Английский

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Nitrogen addition stimulates priming effect in a subtropical forest soil

Soil Biology and Biochemistry, Год журнала: 2021, Номер 160, С. 108339 - 108339

Опубликована: Июнь 15, 2021

Язык: Английский

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Responses of soil mineral-associated and particulate organic carbon to carbon input: A meta-analysis

The Science of The Total Environment, Год журнала: 2022, Номер 829, С. 154626 - 154626

Опубликована: Март 16, 2022

Язык: Английский

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