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

EU Regulation 2003/2003 consolidates all the European Union rules that apply to fertilisers, and ensures that the technical requirements outlined in the regulation are implemented uniformly. The regulation only applies to mineral fertilisers consisting of one or more plant nutrients. Annex I lists fertiliser types according to their specific characteristics, while Annex II provides a list of associated tolerances.

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 N Minimum content
10 % by weight
N Expressed as
As nitric nitrogen
Mg Minimum content
14 % by weight
Mg Expressed as
As water-soluble magnesium oxide
Nutrient declaration
Nitric nitrogen

Water-soluble magnesium oxide

Other data
When marketed in the form of crystals as note 'in crystallised form' may be added
A.1 Nitrogenous fertilisers
0.4 (for the primary nutrient)
Production and Ingredients
Chemically obtained product containing as its essential ingredient hexahydrated magnesium nitrate
Type designation
Magnesium nitrate

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