# Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down rules on the making available on the market of EU fertilising products and amending Regulations (EC) No 1069/2009 and (EC) No 1107/2009 and repealing Regulation (EC) No 2003/2003 (Text with EEA relevance), Division 1: An EU fertilising product may contain polymers other than nutrient polymers only in cases where the purpose of the polymer is:

Extent: E+W+S+N.I.

(a) to control the water penetration into nutrient particles and thus the release of nutrients (in which case the polymer is commonly referred to as a ‘coating agent’),
(b) to increase the water retention capacity or wettability of the EU fertilising product, or
(c) to bind material in an EU fertilising product belonging to PFC 4.

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Source: https://www.legislation.gov.uk/eur/2019/1009/annex/II/part/II/division/9/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-1009/annex-II/part-II/division-9/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.