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

Wheat-Berseem intercropping system enhances soil fertility, carbon sequestration and crop productivity under nutrient-deficient conditions

Zafar Iqbal; Sundas Bilal; Sana ur Rehman; Imran Haider; Maryam Saeed; Maqshoof Ahmad; Muhammad Ali Raza; Mehraj A. Abbasov; Walid Soufan

Plant and Soil · 2025

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Summary

This field-based study investigates how intercropping wheat with berseem clover (Trifolium alexandrinum) can improve soil fertility and carbon sequestration whilst maintaining or enhancing crop productivity under nutrient-limited conditions. By incorporating a leguminous cover crop alongside a staple cereal, the research likely demonstrates that biological nitrogen fixation and improved soil organic matter dynamics can partially compensate for low external nutrient inputs. The findings contribute to evidence on low-input, ecologically-based intercropping strategies as an alternative to synthetic fertiliser dependence in cereal-based farming systems.

UK applicability

The study is likely conducted in a South Asian (Pakistani) context with conditions differing from UK soils and climate; however, the underlying principles of legume-cereal intercropping for soil health improvement and reduced fertiliser dependency are broadly relevant to UK arable systems, particularly in the context of post-CAP agricultural policy and interest in nature-friendly farming approaches.

Key measures

Soil organic carbon (g/kg); soil nitrogen (g/kg); crop yield (t/ha); biomass; land equivalent ratio (LER); soil microbial activity; nutrient uptake

Outcomes reported

The study likely measured soil fertility indicators, soil organic carbon stocks, and crop productivity metrics (yield, biomass) under intercropped wheat-berseem clover systems compared to sole cropping, under nutrient-deficient or low-input conditions. It probably assessed nitrogen fixation contributions from berseem and their downstream effects on soil health and wheat performance.

Theme
Farming systems, soils & land use
Subject
Intercropping & soil nutrient cycling
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Pakistan
System type
Arable cereals
DOI
10.1007/s11104-025-07992-5
Catalogue ID
NRmo3f02hq-0e8

Topic tags

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