Summary
This modelling study applied the DailyDayCent biogeochemical model to estimate nitrous oxide emissions from UK croplands and grasslands at spatial and temporal scales, integrating soil, climate, and management data across multiple sites and years. The work contributes to understanding the heterogeneity of N₂O emissions across UK farming systems and as suggested by the authorship, supports greenhouse gas inventory development and agricultural mitigation planning for the UK. The results indicate that N₂O emissions vary substantially both geographically and year-to-year, reflecting differences in soil properties, climate, and management practices.
UK applicability
Direct applicability to UK policy and practice: the study models emissions across UK cropland and grassland systems using nationally relevant soil and climate data, supporting UK agricultural emissions inventories and climate mitigation targets. Findings inform evidence for farm-scale and national-level emissions reduction strategies in UK farming.
Key measures
Spatial variation in N₂O emissions; inter-annual variation in N₂O emissions; emission factors by soil type, crop type, and grassland management
Outcomes reported
The study used the DailyDayCent model to simulate spatial and inter-annual variations in nitrous oxide (N₂O) emissions across UK cropland and grassland systems, incorporating regional soil and management data. The work aimed to quantify N₂O emission dynamics under varying environmental and agricultural conditions across the UK.
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