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Humic substances for abiotic stress resilience: current knowledge and perspectives

Hajar Salehi1, Davide Savy2, Maria Antonietta Rao2

  • 1Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, Piacenza, 29122, Italy.

Plant Physiology and Biochemistry : PPB
|June 16, 2026
PubMed
Summary

Humic substances (HS) improve plant resilience to abiotic stress, but their effectiveness varies. Research shows HS impact plant membranes and ion transport, yet clear structure-activity links and standardized reporting are lacking.

Keywords:
Abiotic stress toleranceChemical-biological interactionsHumic substancesPlant growthSustainable agriculture

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