Summary
This field study applied a triple 15N labelling methodology to trace nitrogen transformations in a UK grassland soil, as suggested by the title. The technique allowed simultaneous quantification of competing N pathways (nitrification, denitrification, immobilisation) under realistic field conditions. As a methodological contribution, the work demonstrates the utility of multi-isotope tracing for resolving complex soil nitrogen dynamics in temperate pasture systems.
UK applicability
The findings are directly applicable to UK grassland management, as the study was conducted on UK grassland soil under UK field conditions. The nitrogen transformation data may inform nutrient management practices and emissions prediction for temperate pasture-based livestock systems.
Key measures
15N isotope enrichment; nitrogen transformation rates (nitrification, denitrification, immobilisation); soil mineral nitrogen pools; gaseous nitrogen losses
Outcomes reported
The study employed a triple 15N isotope tracing technique to quantify nitrogen transformation pathways and fluxes in UK grassland soil. The research measured rates of key N processes including nitrification, denitrification, and immobilisation under field conditions.
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