The Fertilisers Regulations 1991

SECTION B: COMPOUND FERTILISERS

Group	Name of Material	Meaning	Declarations	Limits of variation (absolute value in percnetage by weight, except where otherwise specified)
(1)	(2)	(3)	(4)	(5)	(6)
* As determined by the Petermann method.
* This is only an indication of how the material should be named and accordingly this form of words should not be used in the statutory statement.
1	NPK fertiliser	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% 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 be not less than 20% by weight. The product must not contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate, aluminium-calcium phosphate, soft ground rock phosphate, or partially solubilised rock phosphate. The P2O5 content soluble only in mineral acids must not exceed 2%.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made 1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			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	P2O5 1.1	P2O5 0.5
			2.  Phosphorus pentoxide soluble in water	As set out in paragraph 7(a) of this Schedule
			Potassium oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.9 +P2O51.9 +K2O1.9	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
	NPK fertiliser containing aluminium-calcium phosphate	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nigrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5) of which at least 2% must be soluble in water, and at least 5% soluble in mineral acids; and 3.  Not less than 5% potassium oxide (K2O).	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
		The sum of the three nutrients must be not less than 20% by weight. At least 75% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in alkaline ammonium citrate (Joule). The product must not contain basic slag, Thomas Phosphate, Thomas slag, calcined phosphate, soft ground rock phosphate or partially solubilised rock phosphate, and not less than 90% of the aluminium-calcium phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in water	As set out in paragraph 7(a) of this Schedule
			Amount of phosphorus pentoxide soluble in mineral acids (after deduction of the amount of phosphorus pentoxide soluble in water)	As set out in paragraph 7(a) of this Schedule
			Amount of phosphorus pentoxide soluble in alkaline ammonium citrate	As set out in paragraph 7(a) of this Schedule
			Potassium Oxide (K2O)	K2 1.1	K2O 0.5
			Amount of potassium oxide soluble in water	N1.9 +P2O51.9 +K2O1.9
			Optional declarations Amount of chlorine	Cl 0.2
			Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made
	NPK fertiliser containing soft ground rock phosphate NPK fertiliser containing partially solubilised rock phosphate	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nigrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5) of which at least 2% should be soluble only in mineral acids, at least 5% soluble in neutral ammonium citrate and in water and at least 2.5% soluble in water; 3.  Not less than 5% potassium oxide (K2O). The sum of the three nutrients must be not less than 20% by weight. Neither product must contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate or aluminium-calcium phosphate. Not less than 90% of the soft ground rock phosphate should be able to pass through a sieve with a mesh of 0.063 mm, and not less than 90% of the partially solubilised rock phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in water Amount of phosphorus pentoxide soluble in neutral ammonium citrate and in water	As set out in paragraph 7(a) of this Schedule
			Amount of phosphorus pentoxide soluble only in mineral acids	As set out in paragraph 7(a) of this Schedule	K2O 0.5
			Potassium Oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.9 +p2O51.9 +K2O1.9
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
	NPK fertiliser (Phosphate ingredient, aluminium-calcium phosphate only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5); 3.  Not less than 5% potassium oxide (K2O)	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
		The sum of the three nutrients must be not less than 20% by weight. At least 75% of the declared phsophorus pentoxide soluble in mineral acids must be soluble in alkaline ammonium citrate (Joule). The product must not contain any phosphate material other than aluminium-calcium phosphate and not less than 90% of the aluminium-calcium phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in alkaline ammonium citrate	As set out in paragraph 7(a) of this Schedule
			Potassium Oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.9 +P2O51.9 +K2O1.9	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
	NPK fertiliser (Phosphate ingredient, calcined phosphate only)	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegatable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less t;han 5% phosphorus pentoxide (P2O5); 3.  Not less than 5% potassium oxide (K2O). The sum of the three nutrients must be not less than 20% by weight. The product must not contain any phposphate material other than calcined phosphate. Not less than 75% of the calcined phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in alkaline ammonium citrate*	P2O5 1.1	P2O5 0.5
			Potassium Oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.9 +P21.9 +K2O1.9	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine may be made”.	Cl 0.2
	NPK fertiliser (Phosphate ingredient, soft ground rock phosphate only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:— 1.  Not less than 3% 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 be not less than 20% by weight. At least 55% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in 2% formic acid. The product must not contain any phosphate material other than soft ground rock phosphate. Not less than 90% of the soft ground rock phosphate should be able to pass through a sieve with a mesh of 0.063 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in 2% formic acid	As set out in parabraph 7(a) of this Schedule
			Potassium Oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.9 +P21.9 +K2O1.9	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine may be made”.	Cl 0.2
	NPK fertiliser (Phosphate ingredient: basic slag only) NPK fertiliser (Phosphate ingredient; Thomas phosphate only) NPK fertiliser (Phosphate ingredient; Thomas slag only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% 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 be not less than 20% by weight. The product must not contain any phosphate material other than basic slag, Thomas phosphate or Thomas slag. Not less than 75:% of the basic slag, Thomas phosphate or Thomas slag should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in 2% citric acid	P2O5 1.1	P2O5 0.5
			Potassium Oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.9 +P21.9 +K2O1.9	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine may be made”.	Cl 0.2
2	NP fertiliser	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5). The sum of the two nutrients must be not less than 18% by weight. The product must not contain basic slag. Thomas phosphate, Thomas slag, calcined phosphate, aluminium-calcium phosphate, soft ground rock phosphate or partially solubilised rock phosphate. The P2O5 content soluble only in mineral acids must not exceed 2%.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Where phosphorus pentixide 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	P2O5 1.1	P2O5 0.5
			2.  Phosphorus pentoxide soluble in water	As set out in paragraph 7(a) of this Schedule N1.5 +P2O51.5
	NP fertiliser containing aluminium-calcium phosphate	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5) of which at least 2% must be soluble in water, and at least 5% soluble in mineral acids. The sum of the two nutrients must be not less than 18% by weight. At least 75% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in alkaline ammonium citrate (Joule). The product must not contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate, soft ground rock phosphate or partially solubilised rock phosphate, and not less than 90% of the aluminium-calcium phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in water Amount of phosphorus pentoxide soluble in mineral acids (after deduction of the amount of phosphorus pentoxide soluble in water) Amount of phosphorus pentoxide soluble in alkaline ammonium citrate	As set out in paragraph 7(a) of this Schedule N1.5 +P2O51.5
	NP fertiliser containing soft ground rock phosphate NP fertiliser containing partially solubilised rock phosphate	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight: 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5) of which at least 2% should be soluble only in mineral acids, at least 5% soluble in neutral ammonium citrate and in water and at least 2.5% soluble in water. The sum of the two nutrients must be not less than 18% by weight. Neither product must contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate or aluminium-calcium phosphate. Not less than 90% of the soft ground rock phosphate should be able to pass through a sieve with a mesh of 0.063 mm, and not less than 90% of the partially solubilised rock phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in water Amount of phosphorus pentoxide soluble in neutral ammonium citrate and in water Amount of phosphorus pentoxide soluble only in mineral acids	As set out in paragraph 7(a) of this schedule N1.5 +P2O51.5
	NP fertiliser (Phosphate ingredient: aluminium-calcium phosphate only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5). The sum of the two nutrients must be not less than 18% by weight. At least 75% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in alkaline ammonium citrate (Joule). The product must not contain any phosphate material other than aluminium-calcium phosphate and not less than 90% of the aluminium-calcium phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in alkaline ammonium citrate	As set out in paragraph 7(a) of this schedule N1.5 +P2O51.5
	NP fertiliser (Phosphate ingredient: calcined phosphate only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5). The sum of the two nutrients must be not less than 18% by weight. The product must not contain any phosphate material other than calcined phosphate. Not less than 75% of the calcined phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in alkaline ammonium citrate*	P2O5 1.1 N1.5 +P2O51.5	P2O5 0.5
	NP fertiliser (Phosphate ingredient: soft ground rock phosphate only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5). The sum of the two nutrients must be not less than 18% by weight. At least 55% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in 2% formic acid. The product must not contain anyh phosphate material other than soft ground rock phosphate. Not less than 90% of the soft ground rock phosphate should be able to pass through a sieve with a mesh of 0.063 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids	P2O5 1.1	P2O5 0.5
			Amount of phosphorus pentoxide soluble in 2% formic acid	As set out in paragraph 7(a) of this schedule N1.5 +P2O51.5
	NP fertiliser (Phosphate ingredient basic slag only) NP fertiliser (Phosphorus ingredient: Thomas phosphate only) NP fertiliser (Phosphate ingredient; Thomas slag only)	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% phosphorus pentoxide (P2O5). The sum of the two nutrients must be not less than 18% by weight. The product must not contain any phosphate material other than basic slag, Thomas phosphate or Thomas slag. Not less than 75% of the basic slag, Thomas phosphate or Thomas slag should be able to pass through a sieve with a mesh of 0.160 mm.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in 2% citric acid	P2O5 1.1 N1.5 +P2O51.5	P2O5 0.5
	NP fertiliser	Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:– 1.  Not less than 3% nitrogen (N); 2.  Not less than 5% potassium oxide (K2O). The sum of the two nutrients must be not less than 18% by weight.	Nitrogen (N) EEC fertiliser Other than EEC fertiliser Amount of total nitrogen Amount of total nitrogen Amount, where equal to or greater than 1% by weight, of:– Amount of ureic nitrogen save that a declaration of 10% or less need not be made	N 1.1 As set out in paragraph 7 of this Schedule	N 0.5
			1.  nitric nitrogen 2.  ammonical nitrogen 3.  ureic nitrogen 4.  cyanamide nitrogen
			Potassium Oxide (K2O) Amount of potassium oxide soluble in water	K2O 1.1 N1.5 +K2O1.5	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
4	PK fertiliser	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) 2.  Not less than 5% potassium oxide (K2O) The sum of the two nutrients must be not less than 18% by weight. The product must not contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate, aluminium-calcium phosphate, soft ground rock phosphate, or partially solubilised rock phosphate. The P2O5 content soluble only in mineral acids must not exceed 2%.	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	P2O5 1.1	P2O5 0.5
			2.  Phosphorus pentoxide soluble in water	As set out in paragraph 7(a) of this Schedule
			Potassium Oxide(K2O) Amount of potassium oxide soluble in water	K2O 1.1 P2O51.5 +K2O1.5	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
	PK fertiliser containing aluminium calcium phosphate	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) of which at least 2% must be soluble in water, and at least 5% soluble in mineral acids; 2.  Not less than 5% potassium oxide (K2O) The sum of the two nutrients must be not less than 18% by weight. At least 75% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in alkaline ammonium citrate (Joule). The product must not contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate, soft ground rock phosphate, or partially solubilised rock phosphate, and not less than 90% of the aluminium-calcium phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids Amount of phosphorus pentoxide soluble in water Amount of phosphorus pentoxide soluble in mineral acids (after deduction of the amount of phosphorus pentoxide soluble in water) Amount of phosphorus pentoxide soluble in alkaline ammonium citrate	P2O5 1.1 As set out in paragraph 7(a) of this Schedule	P2O5 0.5
			Potassium Oxide(K2O) Amount of potassium oxide soluble in water	K2O 1.1 P2O51.5 +K2O1.5	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
	PK fertiliser containing soft ground rock phosphate	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) of which at least 2% whould be soluble only in mineral acids, at least 5% soluble in neutral ammonium citrate and in water and at least 2.5% soluble in water. 2.  Not less than 5% potassium oxide (K2O)	Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids Amount of phosphorus pentoxide soluble in water Amount of phosphorus pentoxide soluble in neutral ammonium citrate and in water Amount of phosphorus pentoxide soluble only in mineral acids	P2O5 1.1 As set out in paragraph 7(a) of this Schedule	P2O5 0.5
	PK fertiliser containing partially sulubilised rock phosphate	The sum of the two nutrients must be not less than 18% by weight. Neither product must contain basic slag, Thomas phosphate, Thomas slag, calcined phosphate or aluminium-calcium phosphate. Not less than 90% of the soft ground rock phosphate should be able to pass through a sieve with a mesh of 0.063 mm, and not less than 90% of the partially solubilised rock phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Potassium Oxide(K2O) Amount of potassium oxide soluble in water	K2O 1.1 P2O51.5 +K2O1.5	K2O 0.5
			Optional declarations Amount of chlorine Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made	Cl 0.2
	PK fertiliser (Phosphate ingredient; aluminium-calcium phosphate only)	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) 2.  Not less than 5% potassium oxide (K2O) The sum of the two nutrients must be not less than 18% by weight. At least 75% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in alkaline ammonium citrate (Joule). The product must not contain any phosphate material other than aluminium-calcium phosphate and not less than 90% of the aluminium-calcium phosphate should be able to pass through a sieve with a mesh of 0.160 mm.	Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids Amount of phosphorus pentoxide soluble in alkaline ammonium citate Potassium Oxide(K2O) Amount of potassium oxide 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	P2O5 1.1 As set out in paragraph 7(a) of this Schedule K2O 1.1 P2O51.5 +K2O1.5 Cl 0.2	P2O5 0.5 K2O 0.5
	PK fertiliser (Phosphate ingredient; calcined phosphate only)	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) 2.  Not less than 5% potassium oxide (K2O) The sum of the two nutrients must be not less than 18% by weight. The product must not contain any phosphate material other than calcined phosphate. Not less than 75% of the calcined phosphate should be able to pass through a sieve with a mesh or 0.160 mm.	Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in alkaline ammonium citrate* Potassium Oxide(K2O) Amount of potassium oxide 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	P2O5 1.1 K2O 1.1 P2O51.5 +K2O1.5 Cl 0.2	P2O5 0.5 K2O 0.5
	PK fertiliser (Phosphate ingredient: soft ground rock phosphate only)	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) 2.  Not less than 5% potassium oxide (K2O) The sum of the two nutrients must be not less than 18% by weight. At least 55% of the declared phosphorus pentoxide soluble in mineral acids must be soluble in 2% formic acid. The product must not contain any phosphate material other than soft ground rock phosphate. Not less than 90% of the soft ground rock phosphate should be able to pass through a sieve with a mesh of 0.063 mm.	Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in mineral acids Amount of phosphorus pentoxide soluble in 2% formic acid Potassium Oxide(K2O) Amount of potassium oxide 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	P2O5 1.1 As set out in paragraph 7(a) of this Schedule K2O 1.1 P2O51.5 +K2O1.5 Cl 0.2	P2O5 0.5 K2O 0.5
	PK fertiliser (Phosphate ingredient: basic slag only) PK fertiliser (Phosphate ingredient: Thomas phosphate only) PK fertiliser (Phosphate ingredient: Thomas slag only)	Product obtained chemically or by blending, without addition of organic nutrient of animal or vegetable origin, containing by weight:– 1.  Not less than 5% phosphorus pentoxide (P2O5) 2.  Not less than 5% potassium oxide (K2O) The sum of the two nutrients must be not less than 18% by weight. The product must not contain any phosphate material other than basic slag, Thomas phosphate or Thomas slag. Not less than 75% of the basic slag, Thomas phosphate or Thomas slag should be able to pass through a sieve with a mesh of 0.160 mm.	Phosphorus Pentoxide (P2O5) Amount of phosphorus pentoxide soluble in 2% citric acid Potassium Oxide(K2O) Amount of potassium oxide 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	P2O5 1.1 K2O 1.1 P2O51.5 +K2O1.5 Cl 0.2	P2O5 0.5 K2O 0.5
5	Compound fertiliser	Product not otherwise specified in this Section of this table, obtained by mixing or blending materials to provide either two or three of the major nutrients nitrogen (N), phosphorus pentoxide (P2O5) and potassium oxide (K2O). Excluded are any materials sold or offered for sale for improving soil structure or as growing media, which contain less than 1% each of these nutrients. At least one of the nutrients must be derived from a material mentioned in the second column of Section A of this table.	Nitrogen(N) Amount of nitrogen Amount of ureic nitrogen save that a declaration of 10% or less need not be made Phosporus Pentoxide (P2O5) Amount of total phosphorus pentoxide Amount of phosphorus pentoxide soluble in water	N. 0.5 (for declarations below 3.5% N) 1.1 (for declarations 3.5% N and above) As set out in paragraph 7(b) of this Schedule P2O5 (for declarations below 5,.5% P2P5) 1.1 (for declarations 5,5% P2O5 and above) As set out in paragraph 7(a) of this Schedule
6	Compound fertilisers not containing any material mentioned in the second column of Section A of this table*	Products not otherwise specified in this Section of this table, including those products obtained by mixing or blending materials to provide either two or three of the major nutrients nitrogen (N), phosphorus pentoxide (P2O5) and potassium oxide (K2O). Excluded are any materials sold or offered for sale for improving soil structure or as growing media, which contain less than 1% each of these nutrients. None of the nutrients must be derived from a material mentioned in the second column of Section A of this table.	Potassium Oxide (K2O) Amount of total potassium oxide	K2 (for declarations bewlo 5.5% K2O) 1.1 (for declarations 5.5% K2O and above) N+P2O51.5for products containing two nutrients only N+K2O1.5for products containing two nutrients only P2O5+K2O1.5for products containing two nutrients only N1.9 +P2O51.9 +K2O1.9