Articles | Volume 8, issue 1
SOIL, 8, 59–83, 2022
https://doi.org/10.5194/soil-8-59-2022
SOIL, 8, 59–83, 2022
https://doi.org/10.5194/soil-8-59-2022
Original research article
20 Jan 2022
Original research article | 20 Jan 2022

Synergy between compost and cover crops in a Mediterranean row crop system leads to increased subsoil carbon storage

Daniel Rath et al.

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Short summary
Storing C in subsoils can help mitigate climate change, but this requires a better understanding of subsoil C dynamics. We investigated changes in subsoil C storage under a combination of compost, cover crops (WCC), and mineral fertilizer and found that systems with compost + WCC had ~19 Mg/ha more C after 25 years. This increase was attributed to increased transport of soluble C and nutrients via WCC root pores and demonstrates the potential for subsoil C storage in tilled agricultural systems.