Summary
This 2025 field study in jasmine gardens examined how straw and biochar soil amendments differentially partition soil carbon between mineral-associated and particulate organic matter pools. The research distinguishes mechanistic pathways by which these amendments stabilise and sequester carbon, with implications for the persistence and storage mechanism of sequestered carbon in perennial horticultural systems. The findings suggest that amendment choice can be tailored to optimise long-term carbon persistence in intensive ornamental crop production.
UK applicability
The findings may have limited direct application to UK jasmine cultivation, which is less commercially significant than in Asia; however, the mechanistic insights into carbon stabilisation via MAOM versus POM pathways could inform UK ornamental horticulture and small-scale perennial crop systems using straw or biochar amendments.
Key measures
Mineral-associated organic carbon (MAOM) content; particulate organic carbon (POC) content; soil carbon pools; amendment treatment comparisons; carbon stabilisation mechanisms
Outcomes reported
The study measured differential effects of straw and biochar soil amendments on the partitioning of carbon between mineral-associated organic matter (MAOM) and particulate organic matter (POM) pools in jasmine garden soils. It assessed the mechanistic pathways and longevity of carbon sequestration under these contrasting amendment strategies.
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