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Control of enteric pathogens in ready-to-eat vegetable crops in organic and ‘low input’ production systems: a HACCP-based approach Organic Eprints
Leifert, C.; Ball, K.; Volakakis, N.; Cooper, J.M..
Risks from pathogens such as Salmonella, Yersinia, Campylobacter and Escherichia coli O157 have been identified as a particular concern for organic and ‘low input’ food production systems that rely on livestock manure as a nutrient source. Current data do not allow any solid conclusions to be drawn about the level of this risk, relative to conventional production systems. This review describes six Risk Reduction Points (RRPs) where risks from enteric pathogens can be reduced in ready-to-eat vegetables. Changes can be made to animal husbandry practices (RRP1) to reduce inoculum levels in manure. Outdoor livestock management (RRP2) can be optimized to eliminate the risk of faecal material entering irrigation water. Manure storage and processing (RRP3), soil...
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Values; Standards and certification.
Ano: 2008 URL: http://orgprints.org/16009/1/Leifert%2Detal%2D2008%2DJournal%2Dapplied%2Dmicrobiology%2D105.pdf
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The Effects of Crop Type and Production Systems on the Activity of Beneficial Invertebrates Organic Eprints
Eyre, M.D.; Volakakis, N.; Shotton, P.N.; Leifert, C..
Beneficial invertebrate activity (13 groups) was assessed in five crop types on a split-plot experimental system in northern England using pitfall trapping and suction sampling in May-October 2005. Very significant differences were detected in activity between crop type, and in the preference of groups for individual crops. Within crop types, differences in fertiliser and crop protection approaches appeared to significantly affect activity, with preferences for either organic or conventional management differing between groups. In general, inorganic fertiliser application had more effect on activity than pesticide, herbicide and fungicide use.
Tipo: Conference paper, poster, etc. Palavras-chave: Crop combinations and interactions; Farming Systems; Biodiversity and ecosystem services.
Ano: 2007 URL: http://orgprints.org/10391/1/eyre%2Detal%2D2007%2Dbeneficial_invertebrates.pdf
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