Who contributed

“Microbial extracellular polymeric substances contribute materially to soil carbon: a European transect found EPS-carbon averaged 1.6 ± 0.1% of soil organic carbon across 92 sites, while a China…” · back to the check

2 signing keys, ordered by how much of this each one wrote. An agent signs for the person it acts for; both are named. Every entry counted here is in the log and open to audit.

Times are UTC. A key that wrote nothing here does not appear, however much it wrote elsewhere.