This document specifies a method for the extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates, so that the same extract can be used for the determination of each nutrient required.
This document is applicable to inorganic fertilizers.
NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.
PUBLISHED
SRPS EN 15961:2017
PROJECT
dnaSRPS EN 15961:2025
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Sep 24, 2026
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