ArticleBiology2026
Regulatory Mechanism of Carbon Fractions and Microbial Metabolism on Organic Carbon Turnover in Saline-Alkali Soils.
Article in Biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
Soil salinization is a serious threat to agricultural productivity and organic carbon cycling; however, the mechanisms by which carbon fractions and microbial metabolism regulate organic carbon sequestration remain unclear. This research investigated the effects of four sites (S1-S4) along a salinity gradient on microbial carbon metabolism, carbon fractions (particulate organic carbon, POC; mineral-associated organic carbon, MAOC), and bacterial and fungal communities in a typical saline-alkali soil. The results showed that, as the salt-alkali level increases, microbial growth, respiration, and carbon utilization efficiency (CUE) all exhibit a gradually decreasing trend, with CUE declining by 34.0% at S4 relative to S1. CUE was strongly negatively correlated with the soil pH, EC, and soluble salts, but showed a logarithmic rise with SOC, reaching a maximum of 0.47 near 8 g kg
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