Summary
This study leverages a century-long grassland fertilisation experiment to demonstrate how sustained nutrient management alters the assembly rules governing soil microbial communities. The key finding, as suggested by the title, is that long-term fertilisation reduces stochasticity in microbial succession—meaning nutrient-amended soils exhibit more predictable, deterministic patterns of microbial community development compared to unfertilised controls. This has implications for understanding soil functioning and resilience under different management regimes.
UK applicability
Given the study's location in the United Kingdom (likely the Rothamsted Research long-term experiments), findings are directly applicable to UK grassland and arable management policy and practice. Results inform understanding of how conventional versus low-input fertilisation strategies influence soil microbial stability and predictability, relevant to UK soil health and sustainable intensification objectives.
Key measures
Microbial community composition (likely 16S rRNA gene sequencing or metagenomic data); stochasticity indices; measures of deterministic vs. stochastic assembly processes
Outcomes reported
The study examined how a century of differential fertilisation regimes shaped grassland microbial community composition and the predictability of microbial succession. Researchers measured changes in stochasticity (randomness) in microbial community assembly over time under contrasting nutrient management.
Topic tags
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