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

Maize/cover crop intercropping mitigates soil erosion and enhances yield of ridge cultivation in Chinese Mollisol region

Shuaikang Liu; Aihua Dong; Biao Niu; Fengyi Xu; Jili Xu; Lina Yin; Shiwen Wang

CATENA · 2025

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Summary

This study investigates the combined effects of maize and cover crop intercropping within ridge cultivation systems on Mollisol soils in northeast China, a region highly susceptible to water erosion. The research likely demonstrates that intercropping with cover crops reduces soil loss and runoff whilst maintaining or enhancing maize yield compared to conventional monoculture ridge cultivation. The findings contribute evidence for intercropping as a practical agronomic strategy to address land degradation in fertile but erosion-prone black soil regions.

UK applicability

The findings are directly relevant to UK conditions only in a limited sense, as Chinese Mollisols differ from typical UK arable soils; however, the principles of cover crop intercropping for erosion mitigation and yield stabilisation are broadly applicable to UK ridge or contour cultivation systems, particularly on sloping arable land in England and Wales where water erosion is a recognised concern.

Key measures

Soil erosion rate (t/ha); surface runoff volume; maize grain yield (t/ha); possibly soil organic matter or aggregate stability

Outcomes reported

The study likely measured soil erosion rates, runoff, and maize yield under intercropping with cover crops in a ridge cultivation system on Mollisol soils. It is expected to report improvements in soil retention and crop productivity relative to monoculture ridge cultivation controls.

Theme
Farming systems, soils & land use
Subject
Soil erosion & conservation
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Arable cereals
DOI
10.1016/j.catena.2025.109012
Catalogue ID
NRmo3f02hq-0eb

Topic tags

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