EN 17700-2:2024
(Main)Plant biostimulants - Claims - Part 2: Nutrient use efficiency resulting from the use of a plant biostimulant
Plant biostimulants - Claims - Part 2: Nutrient use efficiency resulting from the use of a plant biostimulant
This document gives guidance on a consistent approach to justify the claims associated with the use of plant biostimulants.
This document is aimed primarily at manufacturers, laboratories, researchers, technical centres, and companies that intend to place plant biostimulants on the market, as well as notifying authorities, notified bodies, and market surveillance authorities.
To be in compliance with this standard, it is important to also follow the recommendations and quality criteria described in the standard EN 17700-1:2024 on general principles to demonstrate plant biostimulant claims.
Pflanzen-Biostimulanzien - Auslobungen - Teil 2: Nährstoffverwertungseffizienz infolge der Verwendung eines Pflanzen-Biostimulans
Dieses Dokument dient als Leitfaden für einen einheitlichen Ansatz bei der Begründung von Auslobungen im Zusammenhang mit dem Einsatz von Pflanzen-Biostimulanzien.
Dieses Dokument richtet sich in erster Linie an Hersteller, Labore, Forschungstätige, technische Zentren und Unternehmen, die Pflanzen-Biostimulanzien in Verkehr bringen wollen, sowie notifizierende Behörden, notifizierte Stellen und Marktüberwachungsbehörden.
Um dieser Norm zu entsprechen, ist es wichtig, auch die Empfehlungen und Qualitätskriterien, die in der Norm EN 17700-1:2024 zu den allgemeinen Grundsätzen zum Beleg von Auslobungen von Pflanzen-Biostimulanzien beschrieben sind, zu befolgen.
Biostimulants des végétaux - Allégations - Partie 2 : Efficacité d'utilisation des éléments nutritifs résultant de l'utilisation d'un biostimulant des végétaux
Le présent document fournit des recommandations afin d’adopter une approche cohérente pour justifier les allégations associées à l’utilisation de biostimulants des végétaux.
Le présent document est principalement destiné aux fabricants, aux laboratoires, aux chercheurs, aux centres techniques et aux sociétés qui ont l’intention de mettre des biostimulants des végétaux sur le marché, ainsi qu’aux autorités notifiantes, aux organismes notifiés et aux autorités de surveillance du marché.
Pour être en conformité avec la présente norme, il est important de suivre aussi les recommandations et critères de qualité décrits dans la norme EN 17700-1:2024 sur les principes généraux pour démontrer les allégations des biostimulants des végétaux.
Rastlinski biostimulanti - Navedbe - 2. del: Povečanje učinkovitosti hranil pri rastlinah zaradi uporabe biostimulanta
Ta dokument vsebuje smernice o doslednem pristopu za utemeljitev navedb, povezanih z uporabo rastlinskih biostimulantov.
Ta dokument je namenjen zlasti proizvajalcem, laboratorijem, raziskovalcem, tehničnim centrom in podjetjem, ki bodo dala rastlinske biostimulante na trg, ter priglasitvenim organom, priglašenim organom in organom za nadzor trga.
Zaradi skladnosti s tem standardom je pomembno upoštevati tudi priporočila in merila kakovosti, opisana v standardu EN 17700-1:2024, v zvezi s splošnimi načeli za dokazovanje navedb o rastlinskih biostimulantih.
General Information
Relations
Overview
EN 17700-2:2024 (CEN) provides structured guidance to justify claims that a plant biostimulant improves nutrient use efficiency. The standard complements EN 17700-1:2024 (general principles) and EN 17724:2024 (terminology), and is aimed at manufacturers, laboratories, researchers, technical centres, notified bodies and market surveillance authorities. Its objective is to increase transparency and reproducibility of claim substantiation so products placed on the market can be assessed consistently.
Key Topics
- Scope and audience: Practical guidance for all application types (soil, foliar, seed treatments) and stakeholders involved in placing plant biostimulants on the market.
- Terminology: Clarifies key terms used in claims such as nutrient use efficiency, available nutrient, uptake efficiency, utilization efficiency and plant nutrient.
- Claim wording: Requires clear labelling that specifies the nutrient(s) and target crop(s) for which the effect has been demonstrated (for example, "improves nitrogen use efficiency in wheat").
- Assessment indices: Recommends agronomic indices to validate claims. Common indices described include:
- Ie (Internal utilization efficiency) - relationship of yield to nutrient in plant biomass
- Pfp (Partial factor productivity) - yield per unit nutrient supplied
- Ne (Nutrient export) - nutrient content in harvested part
- Re (Apparent crop recovery efficiency), Pe (Physiological efficiency) and Ae (Agronomic efficiency) - indices that separate recovery, physiological transformation and combined agronomic response
- Trial specifications and controls: Details the minimum trial treatments and control structure required to calculate Re, Pe and Ae, with examples showing fertilized and unfertilized controls with and without biostimulant application.
Applications
EN 17700-2:2024 supports practical activities across the biostimulant value chain:
- Product development: design trials that demonstrate specific nutrient efficiency claims using standardized indices.
- Regulatory dossiers: assemble evidence aligned with the Fertilising Products Regulation (EU) 2019/1009 and national notification procedures.
- Laboratory and trial protocols: harmonize measurement approaches (U, Y, F, C) to generate comparable results across sites and seasons.
- Market surveillance: provide clear evidence for auditing claim substantiation and labelling.
Benefits include improved consistency of claims, stronger confidence for farmers and buyers, and clearer pathways for commercialization.
Related Standards
- EN 17700-1:2024 - Plant biostimulants - Claims - Part 1: General principles (required companion document)
- EN 17724:2024 - Plant biostimulants - Terminology
- Relevant EU legislation: Regulation (EU) 2019/1009 (Fertilising Products Regulation)
For implementation, organizations should follow the quality criteria and trial-control definitions in EN 17700-1:2024 and use the indices and trial examples in EN 17700-2:2024 to substantiate nutrient use efficiency claims consistently.
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2025
Nadomešča:
SIST-TS CEN/TS 17700-2:2023
Rastlinski biostimulanti - Navedbe - 2. del: Povečanje učinkovitosti hranil pri
rastlinah zaradi uporabe biostimulanta
Plant biostimulants - Claims - Part 2: Nutrient use efficiency resulting from the use of a
plant biostimulant
Pflanzen-Biostimulanzien - Auslobungen - Teil 2: Nährstoffverwertungseffizienz infolge
der Verwendung eines Pflanzen-Biostimulans
Biostimulants des végétaux - Allégations - Partie 2 : Efficacité d'utilisation des éléments
nutritifs résultant de l'utilisation d'un biostimulant des végétaux
Ta slovenski standard je istoveten z: EN 17700-2:2024
ICS:
65.080 Gnojila Fertilizers
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 17700-2
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2024
EUROPÄISCHE NORM
ICS 65.080 Supersedes CEN/TS 17700-2:2022
English Version
Plant biostimulants - Claims - Part 2: Nutrient use
efficiency resulting from the use of a plant biostimulant
Biostimulants des végétaux - Allégations - Partie 2 : Pflanzen-Biostimulanzien - Auslobungen - Teil 2:
Efficacité d'utilisation des éléments nutritifs résultant Nährstoffverwertungseffizienz infolge der Verwendung
de l'utilisation d'un biostimulant des végétaux eines Pflanzen-Biostimulans
This European Standard was approved by CEN on 26 August 2024.
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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17700-2:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Terminology of the claim . 6
5 Assessment indices to validate the claims . 7
6 Specifications for the performance of the trials . 8
6.1 Control . 8
6.2 Under controlled conditions . 10
Annex ZA (informative) Relationship of this European Standard and the essential
requirements of Regulation (EU) 2019/1009 making available on the market of EU
fertilising products aimed to be covered . 11
Bibliography . 12
European foreword
This document (EN 17700-2:2024) has been prepared by Technical Committee CEN/TC 455 “Plant
biostimulants”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by May 2025, and conflicting national standards shall be
withdrawn at the latest by May 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes CEN/TS 17700-2:2022.
CEN/TS 17700-2:2022:
— new definitions of nutrient availability and available nutrient;
— an update of Clause 4: Terminology of the claim;
— a third example has been added;
— an informative Annex ZA on the relationship of this European standard and the essential
requirements of Regulation (EU) 2019/1009 has been added.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
The EN 17700 series, Plant biostimulants — Claims, consists of the following parts:
— Part 1: General principles;
— Part 2: Nutrient use efficiency resulting from the use of a plant biostimulant;
— Part 3: Tolerance to abiotic stress resulting from the use of a plant biostimulant;
— Part 4: Determination of quality traits, resulting from the use of a plant biostimulant;
— Part 5: Determination of availability of confined nutrients in the soil or rhizosphere.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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 the United
Kingdom.
Introduction
The European Committee for Standardization (CEN) was requested by the European Commission (EC) to
draft European Standards or European Standardization deliverables to support the implementation of
Regulation (EU) 2019/1009 of 5 June 2019 [1] laying down rules on the making available on the market
of EU fertilising products (“FPR” or “Fertilising Products Regulation”).
This standardization request, presented as SR M/564 and relevant amendments, also contributes to the
Communication on “Innovating for Sustainable Growth: A Bio economy for Europe”. The interest in plant
biostimulants has increased significantly in Europe as a valuable tool to use in agriculture.
Standardization was identified as having an important role in order to promote the use of biostimulants.
The work of CEN/TC 455 seeks to improve the reliability of the supply chain, thereby improving the
confidence of farmers, industry, and consumers in biostimulants, and will promote and support
commercialisation of the European biostimulant industry.
This document has been developed to provide guidance for a consistent approach to justify the claims
associated with the use of plant biostimulants.
The definition of plant biostimulants in Regulation (EU) 2019/1009 [1] is claims-based. For this reason,
demonstrating that a product is indeed a bona fide plant biostimulant depends on a demonstration of its
function.
The placement of a plant biostimulant on the market does not guarantee effectiveness under all
conditions, as many factors can influence the performance of a plant biostimulant in the field.
Plant biostimulants can be applied in multiple ways: to the soil, on plants, as seed treatment, etc.
This document is applicable to all application types of plant biostimulants.
WARNING — Persons using this document should be familiar with normal laboratory practice. This
document does not purport to address all of the safety problems, if any, associated with its use. It is the
responsibility of the user to establish appropriate safety and health practices and to ensure compliance
with any national rules.
IMPORTANT — It is absolutely essential that tests conducted in accordance with this document be
carried out by suitably trained staff.
1 Scope
This document gives guidance on a consistent approach to justify the claims associated with the use of
plant biostimulants.
This document is aimed primarily at manufacturers, laboratories, researchers, technical centres, and
companies that intend to place plant biostimulants on the market, as well as notifying authorities, notified
bodies, and market surveillance authorities.
To be in compliance with this standard, it is important to also follow the recommendations and quality
criteria described in the standard EN 17700-1:2024 on general principles to demonstrate plant
biostimulant claims.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 17700-1:2024, Plant biostimulants — Claims — Part 1: General principles
EN 17724:2024, Plant biostimulants — Terminology
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 17700-1:2024, EN 17724:2024,
and the following apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1
nutrient use efficiency
measure of a plant’s ability to acquire and utilize nutrients from the environment for a desired outcome
based on (a) nutrient availability (b) uptake efficiency a
...
Frequently Asked Questions
EN 17700-2:2024 is a standard published by the European Committee for Standardization (CEN). Its full title is "Plant biostimulants - Claims - Part 2: Nutrient use efficiency resulting from the use of a plant biostimulant". This standard covers: This document gives guidance on a consistent approach to justify the claims associated with the use of plant biostimulants. This document is aimed primarily at manufacturers, laboratories, researchers, technical centres, and companies that intend to place plant biostimulants on the market, as well as notifying authorities, notified bodies, and market surveillance authorities. To be in compliance with this standard, it is important to also follow the recommendations and quality criteria described in the standard EN 17700-1:2024 on general principles to demonstrate plant biostimulant claims.
This document gives guidance on a consistent approach to justify the claims associated with the use of plant biostimulants. This document is aimed primarily at manufacturers, laboratories, researchers, technical centres, and companies that intend to place plant biostimulants on the market, as well as notifying authorities, notified bodies, and market surveillance authorities. To be in compliance with this standard, it is important to also follow the recommendations and quality criteria described in the standard EN 17700-1:2024 on general principles to demonstrate plant biostimulant claims.
EN 17700-2:2024 is classified under the following ICS (International Classification for Standards) categories: 65.080 - Fertilizers. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 17700-2:2024 has the following relationships with other standards: It is inter standard links to CEN/TS 17700-2:2022. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 17700-2:2024 is associated with the following European legislation: EU Directives/Regulations: 2019/1009; Standardization Mandates: M/564, M/564 AMD 1, M/564 AMD 2, M/XXX. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 17700-2:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...