Risk factors associated with the prevalence of Listeria monocytogenes in manured soils on certified organic farms in four regions of the United States
In "Frontiers in Sustainable Food Systems" - Biological soil amendments, including raw or untreated manure, are currently used to improve soil fertility, especially in organic operations that prohibit use of synthetic fertilizers. However, addition of untreated manure may pose a risk of contamination of fresh produce by pathogens of public health significance, including Listeria monocytogenes.