Fertilisers Regulation, Annex I, A - E.1, E2.4 and G, Annex II

This list contains Annex I fertiliser types according to their specific characteristics, and Annex II associated tolerances. Regulation 2003/2003/EC consolidates all European Union rules that apply to fertilisers, and ensures that the technical requirements it outlines are implemented uniformly. The Regulation only applies to mineral fertilisers consisting of one or more plant nutrients.

Ref No.
Annex Section
A Inorganic straight primary nutrient fertilisers
Minimum content of nutrients (percentage by weight). Data on the expression of nutrients. Other requirements Mg Minimum content
5 % by weight
Mg Expressed as
As MgO
K Minimum content
37 % by weight
K Expressed as
As water- soluble K2O
Nutrient declaration
Water-soluble potassium oxide

Water-soluble magnesium oxide

A.3 Potassic fertilisers
1.5 (for the primary nutrient)
Production and Ingredients
Product obtained from crude potassium salts with added magnesium salts and containing potassium chloride and magnesium salts as essential ingredients
Type designation
Potassium chloride containing magnesium salts

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