BS PD 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.

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