Clarifying the evidence for microbial‐and plant‐derived soil organic matter, and the path toward a more quantitative understanding

ED Whalen, AS Grandy, NW Sokol… - Global Change …, 2022 - Wiley Online Library
Predicting and mitigating changes in soil carbon (C) stocks under global change requires a
coherent understanding of the factors regulating soil organic matter (SOM) formation and …

Soil organic matter formation, persistence, and functioning: A synthesis of current understanding to inform its conservation and regeneration

MF Cotrufo, JM Lavallee - Advances in agronomy, 2022 - Elsevier
Soil organic matter (SOM) provides vital services to humanity. Its preservation and further
accrual are key to sustain food production and avoid an irreversible climate crisis. Here we …

Deep-C storage: Biological, chemical and physical strategies to enhance carbon stocks in agricultural subsoils

ES Button, J Pett-Ridge, DV Murphy, Y Kuzyakov… - Soil Biology and …, 2022 - Elsevier
Due to their substantial volume, subsoils contain more of the total soil carbon (C) pool than
topsoils. Much of this C is thousands of years old, suggesting that subsoils offer …

Soil organic carbon storage as a key function of soils-A review of drivers and indicators at various scales

M Wiesmeier, L Urbanski, E Hobley, B Lang… - Geoderma, 2019 - Elsevier
The capacity of soils to store organic carbon represents a key function of soils that is not only
decisive for climate regulation but also affects other soil functions. Recent efforts to assess …

Microbial formation of stable soil carbon is more efficient from belowground than aboveground input

NW Sokol, MA Bradford - Nature Geoscience, 2019 - nature.com
The relative contributions of aboveground versus belowground plant carbon inputs to the
stable soil organic carbon pool are the subject of much debate—with direct implications for …

The photodegradation processes and mechanisms of polyvinyl chloride and polyethylene terephthalate microplastic in aquatic environments: Important role of clay …

L Ding, X Yu, X Guo, Y Zhang, Z Ouyang, P Liu… - Water Research, 2022 - Elsevier
It is well known that microplastics (MPs) may experience weathering and aging under
ultraviolet light (UV) irradiation, but it remains unclear if these processes are impacted by …

Microaggregates in soils

KU Totsche, W Amelung, MH Gerzabek… - Journal of Plant …, 2018 - Wiley Online Library
All soils harbor microaggregates, ie, compound soil structures smaller than 250 µm. These
microaggregates are composed of diverse mineral, organic and biotic materials that are …

Calcium-mediated stabilisation of soil organic carbon

MC Rowley, S Grand, ÉP Verrecchia - Biogeochemistry, 2018 - Springer
Soils play an essential role in the global cycling of carbon and understanding the
stabilisation mechanisms behind the preservation of soil organic carbon (SOC) pools is of …

Beyond clay: towards an improved set of variables for predicting soil organic matter content

C Rasmussen, K Heckman, WR Wieder, M Keiluweit… - Biogeochemistry, 2018 - Springer
Improved quantification of the factors controlling soil organic matter (SOM) stabilization at
continental to global scales is needed to inform projections of the largest actively cycling …

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 …