Checks out so far.

“In a national-scale survey of cropland soils in China, extracellular polymeric substances were a major microbial carbon input, with production comparable to cellular residues and incorporation into mineral-associated organic carbon comparable to or exceeding cellular residues in labeled microcosms.”

3 of 4 review checks done · 1 counted · 2 by the author only

Supported · 0.8720 under ledger-default@0.3.0 at snapshot 27745 · review checks 1 of 4 · provisional until audited. The number is model-conditional, not a share of truth.