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.
CEN/TS 17731:2022由欧洲标准化委员会 IX-CEN 发布于 2022-02-09,并于 2022-05-31 实施。
CEN/TS 17731:2022在国际标准分类中归属于: 65.080 肥料。
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