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Standards Development
This document specifies a method for the enumeration of enterococci in organic, organo-mineral, inorganic fertilizers which contain more than 1 % by mass of organic carbon, other than organic carbon from chelating or complexing agents, nitrification inhibitors, denitrification inhibitors or urease inhibitors, coating agents, urea or calcium cyanamide. The method is tested for solid and liquid products.
document is applicable to the fertilizing products blends where a blend is a mix of at least two of the following components: Fertilizers, Liming Materials, Soil Improvers, Growing Media, Inhibitors, Plant Biostimulants, and where the following category: organic fertilizers, organo- mineral fertilizers, inorganic fertilizer is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If the organic fertilizer, the organo-mineral fertilizer or the inorganic fertilizer is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply.
NOTE: This method has been validated in an interlaboratory study with specific products that were present on the market during the study (Annex C).
Regulation (EU) 2019/1009 on fertilizing products includes requirements for organic and organo- mineral fertilizers. Appropriate methods are necessary to verify the conformity of CE-marked fertilizing products to the requirements of the Regulation.
The European Standards on “Organic, organo-mineral and inorganic fertilizers - Enumeration of enterococci” describes the test methods to be applied for verifying the conformity of organic, organo-mineral and inorganic fertilizers with the requirements set out in Regulation (EU) 2019/1009.
This method is intended to be referred to in the harmonized standard “Organic and Organo- mineral fertilizers – Detection of specific pathogens” in the framework of standardization request M/564.
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