Coupled iron cycling and organic matter transformation across redox interfaces

H Dong, Q Zeng, Y Sheng, C Chen, G Yu… - Nature Reviews Earth & …, 2023 - nature.com
Soils and sediments are major reservoirs of organic matter (OM), whose dynamic turnover
has a major impact on carbon cycling and global climate. OM in soils and sediments is …

Fenton chemistry and reactive oxygen species in soil: Abiotic mechanisms of biotic processes, controls and consequences for carbon and nutrient cycling

GH Yu, Y Kuzyakov - Earth-Science Reviews, 2021 - Elsevier
Although most organic matter (OM) in soil is mineralized by microorganisms, the
nonmicrobial processes, eg, Fenton reactions and photo-degradation, strongly contribute to …

Contrasting pathways of carbon sequestration in paddy and upland soils

X Chen, Y Hu, Y **a, S Zheng, C Ma, Y Rui… - Global Change …, 2021 - Wiley Online Library
Paddy soils make up the largest anthropogenic wetlands on earth, and are characterized by
a prominent potential for organic carbon (C) sequestration. By quantifying the plant‐and …

Oxygen availability regulates the quality of soil dissolved organic matter by mediating microbial metabolism and iron oxidation

Y Li, Z Chen, J Chen, MJ Castellano, C Ye… - Global change …, 2022 - Wiley Online Library
Dissolved organic matter (DOM) plays a vital role in biogeochemical processes and in
determining the responses of soil organic matter (SOM) to global change. Although the …

Towards a better understanding of the role of Fe cycling in soil for carbon stabilization and degradation

X Song, P Wang, L Van Zwieten, N Bolan, H Wang… - Carbon Research, 2022 - Springer
Iron (Fe) minerals play an important role in stabilizing soil organic carbon (SOC). Fe-
mediated SOC protection is mainly achieved through adsorption, co-precipitation, or …

Divergent accumulation of microbial necromass and plant lignin components in grassland soils

T Ma, S Zhu, Z Wang, D Chen, G Dai, B Feng… - Nature …, 2018 - nature.com
The means through which microbes and plants contribute to soil organic carbon (SOC)
accumulation remain elusive due to challenges in disentangling the complex components of …

Sphagnum increases soil's sequestration capacity of mineral-associated organic carbon via activating metal oxides

Y Zhao, C Liu, X Li, L Ma, G Zhai, X Feng - Nature Communications, 2023 - nature.com
Sphagnum wetlands are global hotspots for carbon storage, conventionally attributed to the
accumulation of decay-resistant litter. However, the buildup of mineral-associated organic …

Chemodiversity of soil dissolved organic matter

Y Ding, Z Shi, Q Ye, Y Liang, M Liu… - … science & technology, 2020 - ACS Publications
Dissolved organic matter (DOM) plays a key role in many biogeochemical processes, but the
drivers controlling the diversity of chemical composition and properties of DOM molecules …

[HTML][HTML] Interactions between organic matter and Fe oxides at soil micro-interfaces: Quantification, associations, and influencing factors

Q Li, W Hu, L Li, Y Li - Science of the Total Environment, 2023 - Elsevier
Iron (Fe) oxides are widely recognized to prevent the degradation of organic matter (OM) in
environments, thereby promoting the persistence of organic carbon (OC) in soils. Thus …

Active iron phases regulate the abiotic transformation of organic carbon during redox fluctuation cycles of paddy soil

N Chen, Q Fu, T Wu, P Cui, G Fang, C Liu… - Environmental …, 2021 - ACS Publications
Iron (Fe) phases are tightly linked to the preservation rather than the loss of organic carbon
(OC) in soil; however, during redox fluctuations, OC may be lost due to Fe phase-mediated …