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

Crop straw incorporation interacts with N fertilizer on N2O emissions in an intensively cropped farmland

Cong Xu, Xiao Han, Shuhua Ru, L. M. Cardenas, Robert M. Rees, Di Wu, Wenliang Wu, Fanqiao Meng

Geoderma · 2019

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Summary

This field study investigates the interactive effects of crop straw incorporation and nitrogen fertiliser on nitrous oxide emissions in intensive cropping systems. The authors quantify how these two management practices—often promoted separately for soil health and productivity—interact to influence greenhouse gas emissions. The findings suggest that straw management and nitrogen fertilisation strategies should be considered jointly to minimise climate impact.

UK applicability

The study's intensive cropping context and temperate/continental climate may offer partial relevance to UK arable systems, though soil types and management intensity differ. UK farmers implementing straw incorporation as a soil-health measure should consider potential interactions with current nitrogen fertiliser rates when evaluating environmental impact.

Key measures

N₂O emissions (likely measured as flux), soil nitrogen dynamics, crop residue incorporation rates, nitrogen fertiliser rates

Outcomes reported

The study examined how crop straw incorporation interacts with nitrogen fertiliser application to influence N₂O emissions in an intensively cropped agricultural system. Measurements of nitrous oxide flux and related soil variables were conducted to assess this interaction.

Theme
Climate & resilience
Subject
Climate & greenhouse gas mitigation
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Arable cereals
DOI
10.1016/j.geoderma.2019.01.014
Catalogue ID
BFmou2m2lh-lo4b2b

Topic tags

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