COMPOUND FERTILISERS COMPOUND FERTILISERS

Group

Name of Material

Meaning

Declarations

Limits of variation (absolute value in percentage by weight, except where otherwise specified)

(1)

(2)

(3)

(4)

(5)

(6)

*As determined by the Petermann method.

NPK Fertilisers

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 3% nitrogen (N).

Not less than 5% phosphorus pentoxide (P₂O₅);

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Where phosphorus pentoxide soluble in water is less than 2% amount of:—

Phosphorus pentoxide soluble in neutral ammonium citrate.

Where phosphorus pentoxide soluble in water is equal to or greater than 2% amount of:—

Phosphorus pentoxide soluble in neutral ammonium citrate and in water.

P₂O₅ 1.1

P₂O₅ 0.5

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

N	}
+P₂O₅	} 1.9
+K₂	}

K₂O 0.5

Optical declaration

Amount of chlorine.

Where the chlorine content is not greater than 2% the statement “low in chlorine” may be made.

C1 0.2

N 1.1

N 0.5

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:—

Not less than 3% nitrogen (N).

Not less than 57percnt; phosphorus pentoxide (P₂O₅) of which at least 2% must be soluble in water, and at least 5% soluble in mineral acids; and

Not less than 5% potassium oxide (K₂O).

Nitrogen (N)

EEC fertiliser

Other than EEC fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

As set out in paragraph 7 of this Schedule

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 (Joulie). 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.

nitric nitrogen

ammoniacal nitrogen

cyanamide nitrogen

ureic nitrogen

P₂O₅ 1.1

P₂O₅ 0.5

Phosphorus Pentoxide (P₂P₅)

Amount of phosphorus pentoxide soluble in mineral acids.

Amount of phosphorus pentroxide 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

Potassium Oxide (K₂O)

Amount of potassium oxide soluble in water.

K₂O 1.1

N	}
+P₂O₅	} 1.9
+K₂O	}

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 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:—

Not less than 3% nitrogen (N).

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;

Not less than 5% potassium oxide (K₂O).

Nitrogen (N)

EEC fertiliser

Other than EEC fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

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. 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 0.063mm, 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.

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

P₂P₅ 0.5

Potassium Oxide (K₂O)

Amount of potassium oxide soluble in water.

K₂O 1.1

N	}
+P₂O₅	} 1.9
+K₂O	}

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, aluminium-calcium phosphate only)

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 3% nitrogen (N);

Not less than 5% phosphorus pentoxide (P₂O₅);

Not less than 5% potassium oxide (K₂O).

Nitrogen (N)

EEC fertiliser

Other than EEC fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

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 alkaline ammonium citrate (Joulie). 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 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

N	}
+P₂O₅	} 1.9
+K₂O	}

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 nutrients of animal or vegetable origin, containing by weight:—

Not less than 3% nitrogen (N).

Not less than 5% phosphorus pentoxide (P₂O₅);

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 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 fertilisers

Amount, where equal to or greater than 1% by weight of:—

Amount, where equal to or greater than 1% by weight, of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

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

N	}
+P₂O₅	} 1.9
+K₂O	}

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:—

Not less than 3% nitrogen (N).

Not less than 5% phosphorus pentoxide (P₂O₅);

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Phosphorus Pentoxide (P₂O₅)

Amount of phosphorus pentoxide soluble in mineral acids.

Amount of phosphorus pentoxide soluble in 2% formic acid.

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

N	}
+P₂O₅	} 1.9
+K₂O	}

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:—

not less than 3% nitrogen (N).

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

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

N	}
+P₂O₅	} 1.9
+K₂O	}

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

NP Fertiliser

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 3% nitrogen (N);

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

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:—

Phosphorus pentoxide soluble in neutral ammonium citrate.

Where phosphorus pentoxide soluble in water is equal to or greater than 2%, amount of:—

Phosphorus pentoxide soluble in neutral ammonium citrate and in water.

P₂O₅ 1.1

As set out in paragraph 7(a) of this Schedule

P₂O₅ 0.5

Phosphorus pentoxide soluble in water.

N	}
+P₂O₅	} 1.5

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:—

Not less than 3% nitrogen (N);

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 (Joulie). 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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Phosphorus Pentoxide (P₂O₅)

Amount of phosphorus pentoxide soluble in mineral acids.

Amount of phosphorus pentoxide soluble in water.

P₂O₅ 1.1

P₂O₅ 0.5

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

N	}
+P₂O₅	} 1.5

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:

not less than 3% nitrogen (N);

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Phosphorus Pentoxide (P₂O₅)

Amount of phosphorus pentoxide soluble in mineral acids.

Amount of phosphorus pentoxide soluble in water.

P₂O₅ 1.1

P₂O₅ 0.5

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

N	}
+P₂O₅	} 1.5

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:—

Not less than 3% nitrogen (N);

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 (Joulie). 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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

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

N	}
+P₂O₅	} 1.5

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:—

Not less than 3% nitrogen (N);

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Phosphorus Pentoxide (P₂O₅)

Amount of phosphorus pentoxide soluble in alkaline ammonium citrate*.

P₂O₅ 1.1

N	}
+P₂O₅	} 1.5

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:—

Not less than 3% nitrogen (N);

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 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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

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 of this Schedule

N	}
+P₂O₅	} 1.5

NP fertiliser (Phosphate ingredient: basic slag only)

NP fertiliser (Phosphate 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:—

Not less than 3% nitrogen (N).

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Phosphorus Pentoxide (P₂O₅)

Amount of phosphorus pentoxide soluble in 2% citric acid.

P₂O₅ 1.1

N	}
+P₂O₅	} 1.5

P₂O₅ 0.5

NK fertiliser

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 3% nitrogen (N).

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 fertilisers

Amount of total nitrogen.

Amount, where equal to or greater than 1% by weight of:—

Amount of total nitrogen.

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

nitric nitrogen

ammoniacal nitrogen

ureic nitrogen

cyanamide nitrogen

N 1.1

As set out in paragraph 7 of this Schedule

N 0.5

Potassium Oxide (K₂O)

Amount of potassium oxide soluble in water.

K₂O 1.1

N	}
++K₂O	} 1.5

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.

C1 0.2

PK fertiliser

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 5% phosphorus pentoxide (P₂O₅);

Not less than 5% potassium oxide (K₂O).

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:—

Phosphorus pentoxide soluble in neutral ammonium citrate.

Where phosphorus pentoxide soluble in water is equal to or greater than 2%,amount of:—

Phosphorus pentoxide soluble in neutral ammonium citrate and in water.

Phosphorus pentoxide soluble in water.

P₂O_t 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

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

PK fertiliser containing aluminium-calcium phosphate

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

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.

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 (Joulie). The product must not contain basic 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 (P₂O)

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

Potassium Oxide (K₂O)

Amount of potassium oxide soluble in water.

K₂O 1.1

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

PK fertiliser containing soft ground rock phosphate

Product obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 5% potassium oxide (K₂O).

Phosphorus Pentoxide (P₂O)

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 water.

Amount of phosphorus pentoxide soluble only in mineral acids.

As set out in paragraph 7(a) of this Schedule

PK fertiliser containing partially solubilised rock phosphate

Potassium Oxide (K₂O)

Amount of potassium oxide soluble in water.

K₂O 1.1

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

PK fertiliser (Phosphate ingredient: aluminium-calcium phosphate only)

Product obtained chemically by blending, without addition of organic nutrients of animal or vegetable origin, containing by weight:—

Not less than 5% phosphorus pentoxide (P₂O₅).

Not less than 5% potassium oxide (K₂O₅).

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 (Joulie). 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 (P₂O)

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

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

PK 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:—

Not less than 5% phosphorus pentoxide (P₂O₅);

Not less than 5% potassium oxide (K₂O).

Phosphorus Pentoxide (P₂O)

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

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

PK 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:—

Not less than 5% phosphorus pentoxide (P₂O₅);

Not less than 5% potassium oxide (K₂O).

Phosphorus Pentoxide (P₂O)

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.

Potassium Oxide (K₂O)

Amount of potassium oxide soluble in water.

K₂O 1.1

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

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 nutrients of animal or vegetable origin, containing by weight:—

Not less than 5% phosphorus pentoxide (P₂O₅);

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 (P₂O)

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

P₂O₅	}
++K₂O	} 1.5

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.

C1 0.2

Compound fertiliser

Products not otherwise specified in Groups 1 to 4 of Section B of this table, obtained by mixing materials which together will provide two or more of the main nutrients nitrogen (N), phosphorus pentoxide (P₂O₅) and potassium oxide (K₂O), but excluding materials used for improving soil structure or as growing media and 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 the table.

Nitrogen (N)

Amount of total nitrogen.

N	0.5 (for declarations below 3.5% N)
	1.1 (for declarations 3.5% and above)

Amount of ureic nitrogen save that a declaration of 10% or less need not be made.

As set out in paragraph 7(b) of this Schedule.

Phosphorus Pentoxide (P₂O₅)

Amount of total phosphorus pentoxide.

(for declarations below 5.5% P₂O₅) and above)

Amount of phosphorus pentoxide soluble in water.

Amount of phosphorus pentoxide insoluble in water.

(for declarations below 5.5% P₂P₅)

As set out in paragraph 7(a) of this Schedule

K₂O	0.5 (for declarations below 5.5% K₂O)
	1.1 (for declarations 5.5% K₂O and above)

Potassium Oxide K₂O)

Amount of total potassium oxide.

N+P₂O₅	1.5
N+K₂O	1.5
P₂O₅+K₂O	1.5

N }
+P₂O₅ }	1.9
+K₂O