Soil Carbon and Nitrogen Dynamics

Contrasting Rhizosphere Nitrogen Dynamics in Andropogoneae Grasses: Implications for Sustainable Agriculture

The paper examines nitrogen dynamics in Andropogoneae grasses, finding annual species conserve nitrogen while perennials vary in their impact on nitrification and nitrate loss.

No enhancement of soil carbon persistence by sheep grazing in a long-term calcareous grassland experiment

This study found that 35 years of sheep grazing did not increase mineral-associated organic matter carbon stocks in a calcareous grassland, contradicting the hypothesis that grazing enhances soil carbon persistence.

Evidence of enzyme-level thermal constraint on biological nitrogen fixation rates across systems and scales

The paper synthesizes experimental data showing nitrogen fixation rates increase consistently with temperature across biological scales, supporting enzyme-level thermal constraints.

Impact of soil moisture on microbial diversity and their enzyme activity on agricultural soil

Two months of induced summer drought in four Polish agricultural soils lowered bacterial counts, dehydrogenase activity and BIOLOG carbon-substrate use, each tracking declining soil moisture.

Reappraisal of the place of cultivated plants in the carbon budget

This paper reassesses the role of cultivated plants in the carbon budget, finding they absorb and store significant amounts of carbon, equivalent to over global hydrocarbon emissions, and should be included in climate strategies.

Soil bacterial neutral lipid fatty acids: Markers for carbon storage or necromass?

This paper investigates the origin of soil bacterial neutral lipid fatty acids (NLFAs), finding they primarily derive from carbon storage rather than necromass.

Agriculture alters protein evolution of nitrogen cycling genes in soil bacteria at a global scale

The paper shows agriculture increases positive selection on nitrate reduction genes in soil bacteria globally, altering protein evolution in key microbial processes.

A large global soil carbon sink informed by repeated soil samplings

The paper quantifies a global soil organic carbon sink of 1.83 petagrams per year from 1992 to 2020, driven by extratropical and boreal ecosystems, highlighting the importance of soil conservation for climate mitigation.

Forest biogeochemical monitoring indicates altered microbial communities, macronutrient availability, CO2 emissions and litter chemistry in root zone soil of oak trees with Acute Decline symptoms

This study monitors biogeochemical dynamics in oak root zone soils under different health statuses, finding altered microbial communities, increased macronutrient availability, and reduced CO2 emissions in Acute Oak Decline trees.

Moisture Controls on Hydrogen Oxidizing Bacteria: Implications for the Global Soil Hydrogen Sink

This study investigates how soil moisture affects microbial hydrogen oxidation in three temperate soils, revealing a low moisture threshold and its implications for global H2 uptake.

Soil depth determines the microbial communities in Sorghum bicolor fields

The paper investigates soil depth's effect on microbial communities in Sorghum bicolor fields, finding significant changes in composition and diversity with depth.

Single-cell genomics of single soil aggregates: methodological assessment and potential implications with a focus on nitrogen metabolism

This study evaluates methods for extracting microbial cells from soil aggregates and finds that sonication improves microbial recovery and diversity compared to bead-vortexing.

The response of the relationship between carbon components and soil aggregates in vegetable fields to continuous input of different carbon sources

This study examines how continuous input of organic fertilizer and biochar affects soil carbon components, aggregate stability, and carbon pool characteristics in vegetable fields, finding that their combined use synergistically enhances carbon sequestration and soil fertility.

Soil organic carbon stocks and stabilization mechanisms in tidal marshes along estuarine gradients

This study examines SOC stocks and stabilization mechanisms in tidal marshes along estuarine gradients, finding that salinity and flooding reduce SOC storage and alter organic matter fractions.

Soil Carbon Sequestration in Nothofagus obliqua Forests with Different Canopy Cover Levels under Silvopastoral Management

This study evaluates how different silvopastoral systems affect carbon and nitrogen sequestration in degraded Nothofagus obliqua forests, finding that open systems show higher carbon storage despite being more degraded.

Spatial variability of agricultural soil carbon dioxide and nitrous oxide fluxes: characterization and recommendations from spatially high-resolution, multi-year dataset

This study characterizes spatial variability of soil CO2 and N2O fluxes using high-resolution, multi-year data from agricultural fields and recommends optimal sampling strategies.

The effect of above-ground vegetation on soil microbiome in urban green spaces: A systematic evidence map

This study maps evidence on how above-ground vegetation affects soil microbiomes in urban green spaces, identifying research trends and gaps.

Diverse crop rotations off-set yield-scaled nitrogen losses via denitrification

The paper shows that diverse crop rotations reduce yield-scaled nitrogen losses through denitrification by improving microbial biomass and functional guilds involved in nitrogen cycling.

Mineral fertilization reduces the drought resistance of soil multifunctionality in a mountain grassland system through plant-soil interactions

This study shows that mineral fertilization reduces soil multifunctionality drought resistance in planted mountain grassland soils, but not in unplanted soils, through plant-soil interactions.

Biochar Modulates Wheat Root Metabolome and Rhizosphere Microbiome in a Feedstock-dependent Manner

This study investigates how different biochar feedstocks affect wheat root metabolome and rhizosphere microbiome, finding that feedstock type has a greater impact than application rate.

Betaproteobacterial clade II nosZ activated under high N2O concentrations in paddy soil microcosms

The paper identifies betaproteobacterial clade II nosZ as dominant in N2O reduction in paddy soil microcosms, suggesting their potential as N2O sinks.

Resource economics of tree communities control soil food web multifunctionality in European forests

The paper shows that tree species' resource economics influence soil food web multifunctionality in European forests, with acquisitive species promoting higher metabolic activity and multifunctionality.

Agricultural land use induces broader homogenization of soil microbial functional composition than taxonomic composition

The paper compares taxonomic and functional microbial diversity in farmlands and natural lands across scales in Kenya and Malawi, finding broader functional homogenization due to farming.

Soil microbes prefer organic acids over sugars in simulated root exudation

In intact meadow and forest soil cores, 13C-labelled acetate and succinate released by reverse microdialysis left the exudation spot faster and were respired more than glucose and fructose.

A Multi-Model Ensemble Reveals Soil Carbon Gains from Regenerative Practices in the U.S. Midwest Cropland

The paper uses a multi-model ensemble to estimate soil carbon gains from regenerative practices in the U.S. Midwest cropland, finding that no-till with cover crops increases SOC stocks by 0.36 Mg ha-1 yr-1.

Liming enhances the abundance and stability of nitrogen-cycling microbes: The buffering effect of long-term lime application

This study shows that long-term liming increases microbial nitrogen-cycling gene abundance and stabilizes their populations against seasonal changes without increasing nitrous oxide emissions.

Urban crops demonstrate comparable potential for organic carbon storage as natural ecosystems.

This study compares soil organic carbon storage in urban greenspaces and natural ecosystems, finding comparable SOC stocks with MAOC being more stable across land uses.

Fertilization impacts microbiomes along the grassland trophic chain

This study examines how fertilization affects microbial communities across trophic compartments in grassland ecosystems, revealing host-dependent changes and indirect effects through nutrient availability.

Who is who in necromass formation and stabilization in soil? Unraveling the role of fungi and bacteria as complementary players of biogeochemical functioning

This study investigates how fungal and bacterial communities influence necromass formation and stability in soil, finding that complex microbial communities and fungal presence enhance SOC persistence.

A fast-track, high-throughput screening platform for biological nitrification inhibitors discovery based on soil relevant ammonia oxidizing strains

This paper introduces a high-throughput screening platform for biological nitrification inhibitors using soil-relevant ammonia-oxidizing microorganisms and validates it with known inhibitors.