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Code 3105 90 · Heading 3105

Mineral or chemical fertilisers with nitrogen and potassium, or with only one main nutrient

This covers mineral or chemical fertilisers containing nitrogen and potassium, or only one fertilising element as a substantial component. It also includes mixtures of animal or vegetable fertilisers with chemical or mineral fertilisers, but not products in tablets or similar forms or in packages of gross weight <= 10 kg.

For example

  • Mineral potassium fertiliser containing only potassium as the substantial fertilising element, not in tablet or similar form and not in packages of gross weight <= 10 kg
  • Mineral nitrogen-potassium fertiliser, not in tablet or similar form and not in packages of gross weight <= 10 kg
  • A mixture of animal fertiliser and mineral fertiliser, not in tablet or similar form and not in packages of gross weight <= 10 kg
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See the official tariff text

Official tariff text

Mineral or chemical fertilisers containing the two fertilising elements nitrogen and potassium or one principal fertilising substance only, incl. mixtures of animal or vegetable fertilisers with chemical or mineral fertilisers (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg)

Compare the sibling codes

Classification decides the rate here: from 3.2% to 6.5%.

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

  • 31.05.9000

    Other

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

  • 3105 90 20 10

    Natural Chilean potassic sodium nitrate, consisting of a natural mixture of sodium nitrate and potassium nitrate (the proportion of potassium nitrate may be as high as 44 %), of a total nitrogen content not exceeding 16,3 % by weight on the dry anhydrous product

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 20 30

    Solid fertilisers with an ammonium nitrate content exceeding 80% by weight, and a potassium content evaluated as K@2O of less than 3% by weight

    Ordinary duty
    6.5%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 20 40

    Solid fertilisers with an ammonium nitrate content exceeding 80% by weight, and a potassium content evaluated as K@2O of 3% by weight or more but less than 6% by weight

    Ordinary duty
    6.5%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 20 50

    Solid fertilisers with an ammonium nitrate content exceeding 80% by weight, and a potassium content evaluated as K@2O of 6% by weight or more but less than 9% by weight

    Ordinary duty
    6.5%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 20 60

    Solid fertilisers with an ammonium nitrate content exceeding 80% by weight, and a potassium content evaluated as K@2O of 9% by weight or more but not exceeding 12% by weight

    Ordinary duty
    6.5%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 20 90

    Other

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 80 10

    Natural Chilean potassic sodium nitrate, consisting of a natural mixture of sodium nitrate and potassium nitrate (the proportion of potassium nitrate may be as high as 44 %), of a total nitrogen content not exceeding 16,3 % by weight on the dry anhydrous product

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 3105 90 80 90

    Other

    Ordinary duty
    2.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 3, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 8 codes at this level
Previous code 3105 60

Mineral or chemical fertilisers containing the two fertilising elemen…

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Mineral or chemical fertilisers containing the two fertilising elemen…

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.