Cascading effects of composts and cover crops on soil chemistry, bacterial communities and the survival of foodborne pathogens
Journal of Applied Microbiology2021Vol. 131(4), pp. 1564–1577
Citations Over TimeTop 22% of 2021 papers
Naresh Devarajan, Jeffery A. McGarvey, Kate M. Scow, Matthew S. Jones, S. Lee, Sandipan Samaddar, Radomir Schmidt, Thao D. Tran, Daniel S. Karp
Abstract
Our work suggests that animal-based composts do not promote pathogen survival and may even promote bacterial communities that suppress pathogens. Critically, proper composting techniques are known to reduce pathogen populations in biological soil amendments of animal origin, which can reduce the risks of introducing pathogens to farm fields in soil amendments. Thus, animal-based composts and cover crops may be a safe alternative to conventional fertilizers, both because of the known benefits of composts for soil health and because it may be possible to apply amendments in such a way that food-safety risks are mitigated rather than exacerbated.
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