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Plant biostimulants. Detection of Shigella spp
This document provides a method for verifying that the pathogen Shigella spp. is not present in microbial plant biostimulants.
The detection method for Shigella pathogens is not sensitive and quantification is rarely performed. Detection is usually performed using an enrichment medium followed by subculturing onto a variety of selective media.
This document is applicable to the blends of fertilizing products where a blend is a mix of at least two of the following component EU fertilising products categories:
and where the following category Plant Biostimulants is the highest percentage in the blend by mass or volume, or in the case of liquid form by dry mass.
If Plant Biostimulants is not the highest percentage in the blend, the European Standard for the highest percentage of the blend applies.
In case a blend of fertilizing products is composed of components in equal quantity or in case the component EU fertilising products used for the blend have identical formulations, the user decides which standard to apply.
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