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

Assembly of root-associated bacterial community in cadmium contaminated soil following five-year consecutive application of soil amendments: Evidences for improved soil health

Zhongyi Cheng, Jiachun Shi, Yan He, Laosheng Wu, Jianming Xu

Journal of Hazardous Materials · 2021

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Summary

This five-year field trial investigated how repeated soil amendment applications influence the structure of root-associated bacterial communities in cadmium-contaminated agricultural soil. The study provides evidence that sustained amendment regimes can reshape soil microbial communities in ways associated with improved soil health status, a finding relevant to understanding phytoremediation and long-term soil restoration strategies in contaminated systems.

UK applicability

Cadmium contamination in UK soils is a recognised food safety concern, particularly in arable and horticulture systems. The study's five-year timescale and focus on bacterial community recovery may inform UK soil remediation practices, though soil conditions, climate, and amendment types would require local validation.

Key measures

Root-associated bacterial community composition and diversity; soil cadmium concentration; soil health indicators (as suggested by title); microbial assembly patterns

Outcomes reported

The study examined how consecutive application of soil amendments over five years altered the assembly and composition of root-associated bacterial communities in cadmium-contaminated soil. Microbial community structure and soil health indicators were measured as evidence of remediation effectiveness.

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
China
System type
Laboratory / in vitro
DOI
10.1016/j.jhazmat.2021.128095
Catalogue ID
SNmp2b2m7j-6su01b

Topic tags

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