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CEN/TS 17731:2022

Growing media - Determination of specific parameters

General information

Valid from 01.03.2022
Base Documents
CEN/TS 17731:2022
ICS Groups
65.080 Fertilizers
Directives or regulations
None

Standard history

Status
Date
Type
Name
Main
prEN 17731
01.03.2022
Main
CEN/TS 17731:2022
This document provides an overview of relevant methods for the determination of specific parameters in growing media, including:
—  the electrical conductivity;
—  the pH;
—  dry matter;
—  the nitrogen, P2O5 (phosphorus pentoxide) and K2O (potassium oxide) content extractable by CaCl2/DTPA;
—  the total copper and zinc content;
—  the quantity.
This document is applicable to EU fertilizing products classified as PFC 4 and PFC 7 as long as the main function of the EU fertilizing product is classified as PFC 4 of Regulation (EU) 2019/1009 [1].
This document is not applicable to preformed materials such as mineral wool slabs and foam slabs.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English