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

Depth-dependent responses of soil microorganisms to the interaction of soil salinity and straw interlayer

Haoruo Li, Hongyuan Zhang, Fangdi Chang, Xiquan Wang, Yiwei Shang, Xia Zhang, Jie Zhou, Ji Chen, Yuyi Li

Soil and Tillage Research · 2025

Read source ↗ All evidence

Summary

This 2025 field study examines how straw interlayer placement—a conservation agriculture practice—modulates soil microbial community structure and function across distinct soil depths under saline stress. The research addresses a gap in understanding vertically stratified microbial responses to the combined pressures of salt accumulation and crop residue retention. Findings are intended to inform integrated soil management strategies that leverage microbial resilience to mitigate salinity impacts whilst preserving the benefits of residue retention in salt-affected agricultural systems.

UK applicability

Direct applicability to UK conditions is limited, as the study likely concerns salt-affected soils in arid or semi-arid regions where soil salinisation is a primary constraint. However, findings may inform UK soil management practices in coastal or irrigated regions vulnerable to salt accumulation, and principles of microbial modulation via residue placement could inform broader conservation agriculture adoption.

Key measures

Microbial community composition (likely 16S rRNA sequencing or qPCR), soil salinity levels, enzyme activities, microbial biomass carbon, depth-stratified sampling (specific depths not confirmed from title alone)

Outcomes reported

The study measured soil microbial community structure and function at multiple soil depths under combined saline stress and straw interlayer placement. Outcomes likely included shifts in microbial taxon abundance, metabolic diversity, and enzyme activity across vertically stratified soil layers.

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
Arable cereals
DOI
10.1016/j.still.2025.106894
Catalogue ID
SNmov0fsyd-l3zp49

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.