The interplay between microbial communities and soil properties

Nature Reviews Microbiology, Год журнала: 2023, Номер 22(4), С. 226 - 239

Опубликована: Окт. 20, 2023

Язык: Английский

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Global patterns and controlling factors of soil nitrification rate

Global Change Biology, Год журнала: 2020, Номер 26(7), С. 4147 - 4157

Опубликована: Апрель 17, 2020

Soil nitrification, an important pathway of nitrogen transformation in ecosystems, produces soil nitrate that influences net primary productivity, while the by-product nitrous oxide, is a significant greenhouse gas. Although there have been many studies addressing microbiology, physiology, and impacting environment factors nitrification at local scales, are very few on rate over large scales. We conducted global synthesis patterns controlling normalized 25°C by compiling 3,140 observations from 186 published articles across terrestrial ecosystems. tended to decrease with increasing latitude, especially Northern Hemisphere, varied largely ecosystem types. The significantly increased mean annual temperature (MAT), content, microbial biomass carbon nitrogen, ammonium, pH, but decreased carbon:nitrogen biomass. total content contributed most variations (total coefficient = 0.29) structural equation models. (MBN; 0.19) was nearly equivalent importance relative MAT 0.25) pH 0.24) determining rate, influenced via changing MBN. Moreover, emission oxide positively related scale. This will advance our current understanding mechanisms underlying large-scale benefit biogeochemical models simulating cycling.

Язык: Английский

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A holistic framework integrating plant-microbe-mineral regulation of soil bioavailable nitrogen

Biogeochemistry, Год журнала: 2021, Номер 154(2), С. 211 - 229

Опубликована: Май 6, 2021

Soil organic nitrogen (N) is a critical resource for plants and microbes, but the processes that govern its cycle are not well-described. To promote holistic understanding of soil N dynamics, we need an integrated model links matter (SOM) cycling to bioavailable in both unmanaged managed landscapes, including agroecosystems. We present framework unifies recent conceptual advances our three steps cycling: (ON) depolymerization solubilization; sorption desorption on mineral surfaces; microbial ON turnover assimilation, mineralization, recycling products. Consideration balance between these provides insight into sources, sinks, flux rates N. By accounting interactions among biological, physical, chemical controls over availability complex mechanisms transformation concrete amenable experimental testing translates ideas new management practices. This will allow researchers practitioners use common measurements particulate (POM) mineral-associated (MAOM) design strategic N-cycle interventions optimize ecosystem productivity minimize environmental loss.The online version contains supplementary material available at 10.1007/s10533-021-00793-9.

Язык: Английский

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Improving the efficiency of urea-based fertilization leading to reduction in ammonia emission

The Science of The Total Environment, Год журнала: 2021, Номер 771, С. 145483 - 145483

Опубликована: Янв. 30, 2021

A problematic issue in agriculture is the high quantity of ammonia being released resulting a partial loss nitrogen which contained urea fertilizers. Alignment with European Union legislation on regulation emission from mineral fertilizers after 2030, reduced emissions by at least 30% will be allowed to remain use. Currently, laboratory and field tests are carried out assess effectiveness inhibiting losses Both urease nitrification inhibitors tested. The best results were noticed for inhibitor - NBPT (N-(n-Butyl) thiophosphoric triamide) that can reduce 30-70% both tests. addition UAN (urea ammonium nitrate solution) fertilizer reduction 50%. Combining may lead an increase because they prolong retention time ions soil, precursors process emission. In order meet imposed requirements under conditions, factors such as: dose date application, method type soil cultivation, its pH atmospheric conditions should considered. This review gives overview influencing efficiency use urea-based fertilizers, taking into account modified (with inhibitors) emissions.

Язык: Английский

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Microplastic fibers affect dynamics and intensity of CO2 and N2O fluxes from soil differently

Microplastics and Nanoplastics, Год журнала: 2021, Номер 1(1)

Опубликована: Март 29, 2021

Abstract Microplastics may affect soil ecosystem functioning in critical ways, with previously documented effects including changes structure and water dynamics; this suggests that microbial populations the processes they mediate could also be affected. Given importance for global carbon nitrogen cycle greenhouse warming potential, we here experimentally examined potential of plastic microfiber additions on CO 2 N O gas fluxes. We carried out a fully factorial laboratory experiment factors presence microplastic fibers (0.4% w/w) addition urea fertilizer (100 mg kg − 1 ) using one target soil. The conditions an intensively N-fertilized arable were simulated by adding biogas digestate at beginning incubation to all samples. continuously monitored emissions from before after application custom-built flow-through steady-state system, assessed properties, structure. affected notably increasing aggregate water-stability pneumatic conductivity, caused dynamics overall level emission both gases, but opposite directions: fluxes increased presence, whereas decreased, pattern was intensified following addition. This divergent response is explained structure, air permeability likely improving supply: will have stimulated production, since mineralization benefits better aeration. Increased would same time inhibited denitrification, process contributing emissions, thus explaining decrease latter. Our results clearly suggest consequences should become integral part future impact assessments, understand such responses, assessed.

Язык: Английский

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Heterotrophic nitrification – An eternal mystery in the nitrogen cycle

Soil Biology and Biochemistry, Год журнала: 2022, Номер 168, С. 108611 - 108611

Опубликована: Март 15, 2022

Despite the fact that heterotrophic nitrification was identified more than 100 years ago, biochemistry of nitrifiers is poorly known and their contribution to in soil still speculative. Heterotrophic need organic compounds as energy source contrast chemolithotrophic nitrifiers. Most potential pathways for nitrite/nitrate production by heterotrophs can be considered secondary metabolism. Only simultaneous denitrification some bacteria have connection Evidently, fungi differ. Some oxidizing ammonia monooxygenase (AMO), but there are also without AMO. The structure AMO oxidizers differs. has not been found nitrifying fungi. conditions highly differ from those waste waters where activity high. limited low availability easily decomposable substrates. Possible rhizosphere endophytic root microbes gaining a good supply substrates plants known. Fungi special interest because evidently nitrify only when decomposing recalcitrant (like lignin) which abundant soil. Nitrite/nitrate nitrogenous compounds, such amino acids, common among general conclusion use solely an "organic pathway" is, however, valid oxidized. Owing diverse, methodological difficulties differentiate soil, role nitrogen cycle remains uncertain.

Язык: Английский

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Recent advances in the chemistry of nitrogen, phosphorus and potassium as fertilizers in soil: A review

Pedosphere, Год журнала: 2022, Номер 33(3), С. 385 - 406

Опубликована: Июль 5, 2022

Язык: Английский

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Nitrous oxide emission in altered nitrogen cycle and implications for climate change

Environmental Pollution, Год журнала: 2022, Номер 314, С. 120272 - 120272

Опубликована: Сен. 24, 2022

Язык: Английский

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Effects of biological nitrification inhibitors on nitrogen use efficiency and greenhouse gas emissions in agricultural soils: A review

Ecotoxicology and Environmental Safety, Год журнала: 2021, Номер 220, С. 112338 - 112338

Опубликована: Май 18, 2021

To maintain and increase crop yields, large amounts of nitrogen fertilizers have been applied to farmland. However, the use efficiency (NUE) chemical fertilizer remains very low, which may lead serious environmental problems, including nitrate pollution, air quality degradation greenhouse gas (GHG) emissions. Nitrification inhibitors can alleviate loss by inhibiting nitrification; thus, biological nitrification inhibition plants has gradually attracted increasing attention due its low cost friendliness. Research progress on BNI is reviewed in this article, source, mechanisms, influencing factors application BNIs. In addition, impact agriculture GHG emissions summarized from perspective agricultural production protection, key future research prospects BNIs are also noted.

Язык: Английский

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Archaea, tiny helpers of land plants

Computational and Structural Biotechnology Journal, Год журнала: 2020, Номер 18, С. 2494 - 2500

Опубликована: Янв. 1, 2020

Archaea are members of most microbiomes. While archaea highly abundant in extreme environments, they less and diverse association with eukaryotic hosts. Nevertheless, a substantial constituent plant-associated ecosystems the aboveground belowground phytobiome. Only few studies have investigated role plant health its potential symbiosis ecosystems. This review discusses recent progress identifying how contribute to traits such as growth, adaptation abiotic stresses, immune activation. We synthesized functional molecular data on archaea, including root colonization volatile emission activate systemic immunity. These represent paradigm shift our understanding plant-microbiota interactions.

Язык: Английский

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