ReviewFrontiers in microbiology2026
Straw return and organic fertilization promote soil organic carbon sequestration through microbes.
Review in Frontiers in microbiology, 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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5 authors.
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Abstract
Soil organic carbon (C) is a critical component of terrestrial ecosystem C pools, playing a vital role in maintaining soil fertility, supporting sustainable agricultural development, and mitigating global climate change. Therefore, a comprehensive understanding of the pathways and effects of straw return and organic fertilizer application on soil C sequestration is essential. Straw return introduces exogenous C inputs that stimulate microbial activity and promote the formation of stable organic C fractions, although its decomposition is initially constrained by nitrogen (N) limitation. In contrast, organic fertilizer provides readily available stable C sources and essential nutrients, thereby enhancing soil aggregation and C stabilization. The combined application of straw return and organic fertilizer produces significant synergistic effects on soil C sequestration. Organic fertilizer alleviates microbial N deficiency caused by the high C to N ratio (C/N) of straw, facilitating more efficient straw decomposition and nutrient release. Simultaneously, it improves the functional structure of soil microbial communities, promoting the formation of mineral-associated organic C and strengthening aggregate-protected C pools. This integrated management strategy enhances short-term nutrient cycling while contributing to long-term C sequestration, offering substantial potential for advancing sustainable agriculture and climate change mitigation. This review aims to provide a theoretical basis for addressing the microbial mechanisms underlying the synergistic effect of straw returning to the soil and organic fertilizer application.
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