Summary
This comparative soil science study examined how highbush blueberry cultivation influences the nitrification capacity of acidic soils by contrasting blueberry production sites with adjacent uncultivated forest soils. Nitrification was significantly more rapid in blueberry soils at six of seven sites, accompanied by higher populations of nitrifying bacteria, likely driven by regular ammonium fertiliser applications in commercial blueberry production. The findings suggest that horticultural management practices substantially alter soil nitrogen cycling capacity in long-term perennial cropping systems.
Regional applicability
Blueberry cultivation occurs in multiple temperate regions with acidic soils; the mechanisms identified (fertiliser-driven shifts in nitrifier populations) are likely transferable to United Kingdom soft-fruit production under similar soil and management conditions, though site-specific validation would be needed.
Key measures
Net nitrification rate (nitrate production from 15N-enriched ammonium), aerobic slurry nitrification assays, most probable number counts of autotrophic nitrifying bacteria
Outcomes reported
The study compared net nitrification potential and autotrophic nitrifier populations in blueberry cultivation soils versus adjacent forest soils using 15N-labelled ammonium incubations and aerobic slurry assays over 34 days.
Topic tags
Dig deeper with Pulse AI.
Ask about this record, its theme or its relevance to UK farming and policy. Pulse AI uses selected catalogue evidence and cites the sources it draws on.