kSIST FprEN 17709:2024

Plant biostimulants - Determination of Azobacter spp.

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].

Pflanzen-Biostimulanzien - Bestimmung von Azotobacter spp.

Dieses Dokument wurde entwickelt, um die Methodik für die Zählung und Bestimmung von Azotobacter sp. [2] [3] in mikrobiellen Pflanzen-Biostimulanzien in Übereinstimmung mit der Verordnung (EU) 2019/1009 des Europäischen Parlaments und des Rates [1] bereitzustellen.

Biostimulants des végétaux - Détermination d'Azotobacter spp.

Le présent document a été élaboré pour fournir la méthodologie de dénombrement et de détermination d’Azotobacter sp. [2] [3] dans les biostimulants microbiens des végétaux conformément au Règlement (UE) 2019/1009 du Parlement européen et du Conseil [1].

Rastlinski biostimulanti - Določanje Azotobacter spp.

General Information

• Status: Not Published
• Public Enquiry End Date: 02-Jun-2023
• ICS: 65.080 - Fertilizers
• Technical Committee: KAT - Soil quality
• Current Stage: 5020 - Formal vote (FV) (Adopted Project)
• Start Date: 21-Jun-2024
• Due Date: 09-Aug-2024
• Completion Date: 21-Jun-2024
• Directive: 2019/1009 - Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down rules on the making available on the market of EU fertilising products and amending Regulations (EC) No 1069/2009 and (EC) No 1107/2009 and repealing Regulation (EC) No 2003/2003
• Mandate: M/564 - Fertilising products in support of Regulation (EU) 2019/1009
• Mandate: M/564 AMD 1 - amending Implementing Decision C(2020) 612 as regards certain harmonised standards and standardisation deliverables, deadlines for their adoption and the duration of the validity of the standardisation request
• Mandate: M/XXX - standardisation request to the European Committee for Electrotechnical Standardisation and the European Telecommunications Standards Institute as regards products in support of Regulation (EU) 826/2023
• Ref Project: FprEN 17709 - Plant biostimulants - Determination of Azobacter spp.

Relations

• Revises: SIST-TS CEN/TS 17709:2023 - Plant biostimulants - Determination of Azotobacter spp.
• Effective Date: 01-May-2023

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN 17709:2023
01-maj-2023
Rastlinski biostimulanti - Ugotavljanje prisotnosti in števila Azotobacter spp.
Plant biostimulants - Determination of Azobacter spp.
Pflanzen-Biostimulanzien - Bestimmung von Azotobacter spp.
Biostimulants des végétaux - Détermination d'Azotobacter spp.
Ta slovenski standard je istoveten z: prEN 17709
ICS:
65.080 Gnojila Fertilizers
oSIST prEN 17709:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 17709:2023


DRAFT
EUROPEAN STANDARD
prEN 17709
NORME EUROPÉENNE

EUROPÄISCHE NORM

April 2023
ICS 65.080 Will supersede CEN/TS 17709:2022
English Version

Plant biostimulants - Determination of Azobacter spp.
Biostimulants des végétaux - Détermination Pflanzen-Biostimulanzien - Bestimmung von
d'Azotobacter spp. Azotobacter spp.
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 455.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATIO N

EUROPÄISCHES KOMITEE FÜR NORMUN G

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17709:2023 E
worldwide for CEN national Members.

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oSIST prEN 17709:2023
prEN 17709:2023 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Enumeration of Azotobacter spp. . 7
4.1 General . 7
4.2 Sample preparation . 7
4.2.1 General . 7
4.2.2 Liquid (based water) formulations . 7
4.2.3 Liquid - based oil, emulsifiable concentrate (EC) formulations . 8
4.2.4 Solid - Wettable Powder (WP) formulations . 8
4.2.5 Solid - Water dispersible granules (WDG) formulations . 8
4.2.6 Solid – Pellets, granules, microgranules - slow release - formulations . 8
4.2.7 Solid - substrate .
...