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

Legume cover crops enhance soil organic carbon via microbial necromass in orchard alleyways

Qijuan Hu, Tao Jiang, Ben W. Thomas, Ji Chen, Jun Xie, Yingxiao Hu, Faming Kong, Yuanyu Yang, Xinping Chen, Yuting Zhang, Xiaojun Shi

Soil and Tillage Research · 2023

Read source ↗ All evidence

Summary

This 2023 field study investigates the mechanisms by which legume cover crops enhance soil organic carbon accumulation in orchard alleyways, with particular focus on the role of microbial necromass as a carbon source. As suggested by the title, the research quantifies how cover crop-driven shifts in soil microbial communities contribute to stable organic matter formation. The findings may inform orchard management practices seeking to improve soil health and carbon sequestration.

UK applicability

UK orchards (apple, pear, soft fruit) could potentially adopt similar legume cover crop strategies in inter-row management, though results from Chinese conditions may require validation under UK climate and soil contexts. The approach aligns with UK agri-environment schemes promoting soil carbon and biodiversity.

Key measures

Soil organic carbon, microbial biomass carbon, microbial necromass, microbial community structure, soil carbon fractionation

Outcomes reported

The study examined how legume cover crops in orchard alleyways affect soil organic carbon accumulation through changes in microbial biomass and necromass. The research measured soil carbon pools, microbial community composition, and the contribution of microbial necromass to soil organic matter.

Theme
Farming systems, soils & land use
Subject
Soil biology & microbiology
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Agroforestry
DOI
10.1016/j.still.2023.105858
Catalogue ID
SNmoppbdqz-uyimzt

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.