Division 1 An EU fertilising product may contain polymers other than nutrient polymers only in cases where the purpose of the polymer is:

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’),

to increase the water retention capacity or wettability of the EU fertilising product, or

to bind material in an EU fertilising product belonging to PFC 4.