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DIN Standards Committee Food and Agricultural Products

Abstract

This document specifies a horizontal method for the enumeration and genus/species determination [1], [2], [3] of mycorrhizal fungi in microbial plant biostimulants. 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 fertilizing products categories: Fertilizers, Liming Materials, Soil Improvers, Growing Media, Plant Biostimulants and where the following category Plant Biostimulants is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If Plant Biostimulants is not the highest % in the blend, the European Standard for the highest % 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.

Begin

2022-02-28

WI

00455022

Planned document number

DIN EN 17722

Project number

05702242

Responsible national committee

NA 057-03-06 AA - Plant biostimulants  

Responsible european committee

CEN/TC 455/WG 3 - Pathogenic and non-pathogenic microorganisms  

draft standard

Plant biostimulants - Determination of mycorrhizal fungi; German and English version prEN 17722:2023
2023-06
Order from DIN Media

previous edition(s)

Plant biostimulants - Determination of mycorrhizal fungi; German version CEN/TS 17722:2022
2022-07