Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Analysis of effects and factors linked to soil microbial populations and nitrogen cycling under long-term biosolids application

Benjamin Morgan, Guanglong Tian, Olawale Oladeji, Albert Cox, Thomas C. Granato, Heng Zhang, Edward Podczerwinski

The Science of The Total Environment · 2024

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Summary

This field-based study investigates the long-term effects of biosolids application on soil microbial communities and their role in nitrogen cycling. By characterising microbial populations and associated biochemical processes over an extended application period, the work elucidates mechanisms linking organic waste inputs to soil biological functioning. The findings contribute to understanding how biosolids-amended soils sustain microbial-mediated nutrient transformations.

UK applicability

The findings are relevant to UK agricultural practice, as biosolids application is a permitted soil amendment under strict regulatory conditions (Environment Agency guidance). However, UK soil types, climates, and management practices may differ from the US study conditions, warranting local validation before informing policy or farm-level recommendations.

Key measures

Soil microbial population size and composition; nitrogen cycling rates and pathways; soil chemical and physical properties

Outcomes reported

The study examined how long-term biosolids application affects soil microbial populations and nitrogen cycling dynamics. Effects and associated factors linked to these soil biological processes were characterised and analysed.

Theme
Farming systems, soils & land use
Subject
Soil biology & microbiology
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Mixed farming
DOI
10.1016/j.scitotenv.2024.173216
Catalogue ID
SNmp2b2m7j-tpqhc9

Topic tags

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