# The Fertilisers Regulations 1990, Paragraph 3


If an indication of the nutrient content is given in whole numbers as part of the trade description of the product without the words or appropriate chemical symbols to describe the nutrient content, the figures shall relate to and be in the order N, P2O5, K2O and, where appropriate, may include a zero where no nutrient is present.

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Source: https://www.legislation.gov.uk/uksi/1990/887/schedule/2/part/I/paragraph/3 (the official version)
Page: https://openlegislation.uk/fertilisers-regulations-1990/schedule-2/part-I/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.