Division 2 A compound solid inorganic macronutrient fertiliser shall contain more than one of the following declared macronutrients in at least the following contents:

1. (a)

   3 % by mass of total nitrogen (N),

2. (b)

   3 % by mass of total phosphorus pentoxide (P₂O₅),

3. (c)

   3 % by mass of total potassium oxide (K₂O),

4. (d)

   1,5 % by mass of total magnesium oxide (MgO),

5. (e)

   1,5 % by mass of total calcium oxide (CaO),

6. (f)

   1,5 % by mass of total sulphur trioxide (SO₃), or

7. (g)

   1 % by mass of total sodium oxide (Na₂O).

However, the total sodium oxide (Na₂O) content shall not exceed 40 % by mass.