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Pyroligneous acid as a multifunctional biostimulant enhances microalgal growth and soil beneficial metabolites for sustainable agriculture
Sudharsanam Abinandan; Praveen Kuppan; Kadiyala Venkateswarlu; Kannappar Mukunthan; Mallavarapu Megharaj
Authors
Journal
World Journal of Microbiology and Biotechnology
Year
2025
Summary
Australian research investigated whether pyroligneous acid could stimulate two agriculturally relevant microalgae and enhance soil-beneficial metabolites. At an optimized concentration of 0.01%, PA influenced microalgal growth and increased production of indole-3-acetic acid (IAA) and extracellular polymeric substances (EPS). In a 20-day soil microcosm, PA combined with microalgae increased indicators including dehydrogenase activity, IAA, EPS and chlorophyll a.
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