Inorganic fertilising products

The requirements apply to mineral fertilisers and liming materials. It also applies to plant biostimulants and composting additives other than those containing microorganisms.

Main requirements 

The regulation sets out labelling requirements. There are specific labelling requirements for mineral fertilisers and for liming materials.

The regulation sets out requirements for specific analytical methods regarding the labelling information on nutrients and physical and chemical parameters.

Tolerances are specified.

For mineral fertilisers and liming materials, there are product type designations with specified quality criteria.

For liming materials the product type designations are defined by:

  • Origin
  • Minimum neutralising value
  • Content of magnesium.
  • Particle size distribution.

For mineral fertilisers, the product type designations are defined by:

  • Production method and main constituents
  • Minimum nutrient content.

For mineral fertilisers, secondary- and micronutrients may not be labelled unless the content exceeds specified minimum values.

For mineral fertilisers there are limit values for cadmium content and for biuret in urea



The body of Norwegian legislation is constantly evolving. However, we  cannot guarantee that technical rules is updated at all times. Therefore it is the responsibility of the economic operators to ensure conformity with all relevant legislation.

Reference to...