Schedule 2

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NPK fertilisers containing crotonylidene diurea or isobutylidene diurea or urea formaldehyde (as appropriate)

Product obtained chemically without addition of organic nutrients of animal or vegetable origin and containing crotonylidene diurea or isobutylidene diurea or urea formaldehyde. Containing by weight: 1 not less than 5% nitrogen (N) 2 not less than 5% phosphorus pentoxide (P2O5) 3 not less than 5% potassium oxide (K2O). The sum of the three nutrients must not be less than 20%. At least 25% of the declared content of total nitrogen must derive from crotonylidene diurea, or isobutylidene diurea or urea formaldehyde. At least 60% of the declared nitrogen content from urea formaldehyde must be soluble in hot water. The product must not contain Thomas slag, calcined phosphate, aluminium-calcium phosphate, partially solubilised natural phosphate or natural phosphate. The P2O5 content soluble only in mineral acids must not exceed 2%

Nitrogen (N) Amount of:— total nitrogen; amount where equal to or greater than 1% by weight of: 1 nitric nitrogen 2 ammoniacal nitrogen 3 ureic nitrogen; nitrogen, where appropriate, from 1 crotonylidene diurea or 2 isobutylidene diurea or 3 urea formaldehyde; nitrogen from urea formaldehyde that is only soluble in hot water; nitrogen from urea formaldehyde that is soluble in cold water Phosphorus Pentoxide (P2O5) Where phosphorus pentoxide soluble in water is less than 2%, amount of:— 1 Phosphorus pentoxide soluble in neutral ammonium citrate Where phosphorus pentoxide soluble in water is equal to or greater than 2%, amount of:— 1 Phosphorus pentoxide soluble in neutral ammonium citrate and in water 2 Phosphorus pentoxide soluble in water Potassium oxide (K2O) Amount of potassium soluble in water Optional declarations Amount of chlorine. Where the chlorine content is not greater than 2% the statement ‘low in chlorine’ may be made

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