When Compost Fights Fungi: Can Fermented Compost Extracts Become a New Tool for Sustainable Crop Protection?
A 2026 study finds that fermented, non-aerated compost extracts can inhibit multiple plant-pathogenic fungi — including Fusarium oxysporum and Penicillium italicum — and that living microbial communities, not chemistry alone, drive most of the suppressive effect.
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