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 Nutrient (a) Minimum content
25 % by weight
Nutrient (a) Expressed as
As N
Other nutrient (a)
N from isobutylidene diurea
Nutrient (b) Maximum content
3 % by weight
Nutrient (b) Expressed as
As N
Other nutrient (b)
Ureic nitrogen
N Minimum content
28 % by weight
N Expressed as
As total nitrogen
Nutrient declaration
Total nitrogen

Ureic nitrogen where this is at least 1 % by weight

Nitrogen from isobutylidene diurea

A.1 Nitrogenous fertilisers
Production and Ingredients
Product obtained by reaction of urea with isobutyraldehyde Monomeric compound
Type designation
Isobutylidene diurea

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