Summary
This field study employed 13C natural abundance tracing to examine how long-term fertilisation practices influence the stabilisation and distribution of organic matter within soil aggregates and density fractions in a paddy system. The research elucidates mechanistic pathways by which different nutrient management approaches affect soil carbon dynamics and persistence, with implications for understanding soil health under contrasting agronomic regimes.
UK applicability
Direct applicability to UK conditions is limited, as paddy rice production does not occur commercially in the UK. However, the methodological approach using 13C tracing to characterise organic matter stabilisation mechanisms may inform understanding of carbon dynamics in UK arable soils under different nutrient management strategies.
Key measures
13C natural abundance isotope tracing; soil aggregate stability; organic matter in density fractions; carbon distribution patterns across fertilisation treatments
Outcomes reported
The study traced the pathways and mechanisms of organic matter stabilisation in soil aggregates and density fractions under contrasting long-term fertilisation treatments. It measured how different fertilisation regimes influence the distribution and persistence of organic carbon in paddy soil.
Topic tags
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