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

Cover crops support ecological intensification of arable cropping systems

Raphaël Wittwer, Brigitte Dorn, W. Jossi, Marcel G. A. van der Heijden

Scientific Reports · 2017

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Summary

This field trial compared the short-term effects of cover crops across four arable cropping systems differing in tillage intensity and production method. The results demonstrated that cover crop benefits were highest in lower-intensity systems (organic reduced tillage, +24% yield), decreasing with increasing management intensity. The findings suggest cover crops are particularly valuable for supporting yield maintenance and ecological intensification under conservation agriculture and organic conversion.

UK applicability

The findings are directly applicable to UK arable farming, where both organic conversion and conservation agriculture adoption are policy priorities. The study's emphasis on cover crop value in reduced-tillage systems aligns with UK soil health and environmental land management objectives.

Key measures

Crop yield (% change), nitrogen uptake, weed infestation, comparison across four systems: conventional intensive tillage, conventional no-tillage, organic intensive tillage, organic reduced tillage

Outcomes reported

The study measured crop yield, nitrogen uptake, and weed infestation across four arable production systems with and without cover crops. Cover crop effects on yield varied significantly by production system type and tillage intensity.

Theme
Farming systems, soils & land use
Subject
Arable cropping systems
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Europe
System type
Arable cereals
DOI
10.1038/srep41911
Catalogue ID
BFmovi26qr-2s9cs0

Topic tags

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