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 Nutrient (b) Maximum content
3 % by weight
Nutrient (b) Expressed as
As chloride
Other nutrient (b)
K Minimum content
47 % by weight
K Expressed as
As water- soluble K2O
Nutrient declaration
Water-soluble potassium oxide

Optional mention of the chloride content

A.3 Potassic fertilisers
0.5 (for the primary nutrient)

0.2 (for chloride)

Production and Ingredients
Product obtained chemically from potassium salts and containing potassium sulphate as its essential ingredient
Type designation
Sulphate of potash

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