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

Biochar affects community composition of nitrous oxide reducers in a field experiment

Hans-Martin Krause, Roman Hüppi, Jens Leifeld, Mohamed El-Hadidi, Johannes Harter, Andreas Kappler, Martin Hartmann, Sebastian Behrens, Paul Mäder, Andreas Gattinger

Soil Biology and Biochemistry · 2018

Read source ↗ All evidence

Summary

This field experiment investigated how biochar soil amendment influences the microbial community structure of nitrous oxide-reducing bacteria and archaea, which catalyse the terminal step of denitrification. As suggested by the title and journal scope, the work likely measured shifts in community composition following biochar addition and may have linked these microbial changes to nitrous oxide emissions outcomes. The findings contribute to understanding biochar's role in regulating greenhouse gas production through effects on soil microbial ecology.

UK applicability

Biochar is increasingly promoted as a soil amendment in UK regenerative and carbon-sequestration schemes. These findings on microbial community shifts are relevant to UK practitioners and policy-makers seeking to understand the mechanisms by which biochar may affect soil function and greenhouse gas balance under temperate conditions.

Key measures

Nitrous oxide reducer community composition (likely assessed via 16S rRNA or functional gene sequencing); soil biochar amendment rate; nitrous oxide emissions or denitrification activity

Outcomes reported

The study examined how biochar application alters the composition and diversity of nitrous oxide reducer microbial communities in soil under field conditions. Community structure was assessed using molecular techniques to identify shifts in microbial taxa responsible for the final step of denitrification.

Theme
Climate & resilience
Subject
Soil biology & microbiology
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Switzerland
System type
Mixed farming
DOI
10.1016/j.soilbio.2018.01.018
Catalogue ID
BFmovbmg6s-os3ik9

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.