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<p>Soil aggregation controls the interconnections between pores, water retention, and physical protection of soil organic carbon in both micro- and macro-aggregate levels. Although microbial activity and organic matter have been considered, there is mounting evidence that plant roots contribute to aggregate formation and stability by being physically entangled, rhizodeposited, and through an interface between minerals and organic matter termed the rhizosphere. This review synthesized the mechanistic and trait-based pathways by which roots drive soil aggregation across diverse soils and environmental stressors. In addition, we precisely discussed how root-soil interactions perform under various environmental stressors. Furthermore, the impacts of different agricultural management interventions that influence root-mediated soil aggregation have been highlighted to improve soil structure and fertility. The current review summarizes the critical role of the root in aggregate formation and stability under various soil types and stress regimes. This information is essential for improving soil health, carbon sequestration, and ecosystem resilience.</p>

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Root-soil interactions a key driver of aggregate formation and stability: a trait-based and mechanistic review

  • 期刊论文

  • 发表日期：

    2026年4月2日

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  • Ameer Hamza,
  • Danutė Karčauskienė,
  • Mukkram Ali Tahir,
  • Ieva Mockevičienė,
  • Noor-Us-Sabah,
  • Regina Repšienė,
  • Regina Skuodienė

摘要

Soil aggregation controls the interconnections between pores, water retention, and physical protection of soil organic carbon in both micro- and macro-aggregate levels. Although microbial activity and organic matter have been considered, there is mounting evidence that plant roots contribute to aggregate formation and stability by being physically entangled, rhizodeposited, and through an interface between minerals and organic matter termed the rhizosphere. This review synthesized the mechanistic and trait-based pathways by which roots drive soil aggregation across diverse soils and environmental stressors. In addition, we precisely discussed how root-soil interactions perform under various environmental stressors. Furthermore, the impacts of different agricultural management interventions that influence root-mediated soil aggregation have been highlighted to improve soil structure and fertility. The current review summarizes the critical role of the root in aggregate formation and stability under various soil types and stress regimes. This information is essential for improving soil health, carbon sequestration, and ecosystem resilience.