prEN 17709
Plant biostimulants - Determination of Azobacter spp.

Standard No.

prEN 17709

Published By

European Committee for Standardization (CEN)

Replace

CEN/TS 17709:2022

Scope

This document was developed to provide the methodology for the enumeration and determination of Azotobacter sp. [2] [3] in microbial plant biostimulants in accordance with the Regulation (EU) 2019/1009 of the European Parliament and of the Council [1].

prEN 17709 history

• 2022 CEN/TS 17709:2022 Plant biostimulants - Determination of Azotobacter spp.