Summary
This 15N microcosm study examined how biological and chemical nitrification inhibitors differentially affect soil gross nitrogen nitrification and nitrous oxide production. The research suggests that inhibitor type meaningfully influences both the rate of nitrification and associated N₂O emissions, with implications for nitrogen fertiliser management strategies aimed at reducing greenhouse gas losses whilst maintaining nitrogen availability.
UK applicability
Findings on nitrification inhibitor efficacy could inform UK fertiliser recommendations and agronomic practice, particularly in intensive arable and grassland systems where nitrogen losses and emissions are policy concerns. However, results from controlled microcosm conditions may require field validation under UK soil and climatic conditions before adoption in national guidance.
Key measures
Gross N nitrification rates; N₂O production; 15N stable isotope tracing
Outcomes reported
The study compared biological and chemical nitrification inhibitors' effects on soil gross N nitrification rates and N₂O production using stable isotope (15N) tracing in controlled microcosm conditions. The research quantified differential impacts of inhibitor type on soil nitrogen transformations and greenhouse gas release.
Topic tags
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