Articles | Volume 12, issue 1
https://doi.org/10.5194/soil-12-583-2026
https://doi.org/10.5194/soil-12-583-2026
Original research article
 | 
04 May 2026
Original research article |  | 04 May 2026

Drivers of soil C quality and stability: insights from a topsoil dataset at landscape scale in Ontario, Canada

Inderjot Chahal, Adam W. Gillespie, Daniel D. Saurette, and Laura L. Van Eerd

Cited articles

Adhikari, K. and Hartemink, A.: Soil organic carbon increases under intensive agriculture in the Central Sands, Wisconsin, USA, Geoderma Reg., 10, 115-125, https://doi.org/10.1016/j.geodrs.2017.07.003, 2017. 
Agnihotri, R., Sharma, M. P., Prakash, A., Ramesh, A., Bhattacharya, S., Patra, A. K., Manna, M. C., Kurganova, I., and Kuzyakov, Y.: Glycoproteins of arbuscular mycorrhiza for soil carbon sequestration: Review of mechanisms and control, Sci. Total Environ., 806, 150571, https://doi.org/10.1016/j.scitotenv.2021.150571, 2022. 
Amsili, J. P., van Es, H. M., and Schindelbeck, R. R.: Cropping system and soil texture shape soil health outcomes and scoring functions, Soil Secur., 4, 100012, https://doi.org/10.1016/j.soisec.2021.100012, 2021. 
Angon, P. B., Anjum, N., Akter, M. M., Shreejana, K. C, Suma, R. P., and Sadia J.: An Overview of the Impact of Tillage and Cropping Systems on Soil Health in Agricultural Practices, Adv. Agric., 2023, 8861216, https://doi.org/10.1155/2023/8861216, 2023. 
Balota, E. L., Colozzi Filho, A., Andrade, D. S., and Dick, R. P.: Long-term tillage and crop rotation effects on microbial biomass and C and N mineralization in a Brazilian Oxisol, Soil Till. Res., 77, 137–145, https://doi.org/10.1016/j.still.2003.12.003, 2004. 
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Short summary
A dataset of 1490 topsoil samples from agricultural fields across Ontario was used to evaluate the impacts of agronomic, soil, and climatic factors on eight soil C indicators. Soil texture had a large influence on soil C and a close association of soil C with mean annual precipitation and cropping system was observed. Our results confirm the significant effects of soil management and climatic variables on soil C, which have long-term implications on soil C storage and improving soil health.
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