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 management on nitrous oxide emissions in intensive arable cropping systems. The research suggests that straw incorporation does not act independently but modulates the response to nitrogen inputs, with implications for designing fertiliser and residue management strategies that minimise greenhouse gas losses. The findings contribute to understanding trade-offs between soil carbon management and climate mitigation in intensively managed farmland.

UK applicability

The study was conducted in an intensive cropping system in China; UK conditions differ in climate, soil type, and cropping intensity. However, the mechanistic understanding of how straw incorporation interacts with N fertiliser to affect N2O emissions may inform UK arable management, particularly given policy interest in both soil organic matter and emissions reduction.

Key measures

Nitrous oxide (N2O) emissions; nitrogen fertiliser application rates; crop straw incorporation treatments

Outcomes reported

The study examined how incorporating crop straw into soil interacts with nitrogen fertiliser applications to influence nitrous oxide (N2O) emissions from intensively cropped farmland. N2O emissions were measured as the primary outcome, with the goal of understanding how management practices affect greenhouse gas fluxes.

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
MGmoqko7j8-gxpoiq

Topic tags

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