Potafoska 12 – NPK (CaS) 4-12-12-(16-30) Siarkopol - mineral fertiliser
Potafoska 12 NPK (CaS) is a compound mineral fertiliser ideal for fertilising winter cereals and winter oilseed rape, as well as other spring crops and grassland.
Description
Potafoska 12 NPK (CaS) 4-12-12-(16-30) - NPK fertiliser
Advantages of using Potafoska 12 NPK fertiliser, Siarkopol:
- Multiple nutrients in one fertiliser,
- Precise application thanks to the granulated form of the fertiliser,
- Ideal for fertilising winter cereals and winter oilseed rape.
Potafoska 12 is a compound mineral fertiliser containing nutrients in a form easily absorbed by plants. This fertiliser is intended for fertilising winter cereals and winter oilseed rape. It can also be used on grassland and all spring crops, supplementing nitrogen according to the needs of the cultivated plant species. The product contains sulphur essential for protein synthesis.
Potafoska 12, Siarkopol - composition:
- NPK (CaS) 4-12-12-(16-30).
Declared macronutrients:
- 4.0% (w/w) total nitrogen (N) in ammonium form,
- 13.0% (w/w) total phosphorus pentoxide (P2O5),
- 11.0% (w/w) water-soluble phosphorus pentoxide (P2O5),
- 12.0% (w/w) water-soluble potassium oxide (K2O).
The fertiliser also contains undeclared macronutrients:
- calcium calculated as calcium oxide (CaO) total (approx. 18% (w/w)),
- water-soluble calcium oxide (CaO) (approx. 10% (w/w)),
- sulphur calculated as sulphur trioxide (SO₃) total (approx. 28% (w/w)),
- water-soluble sulphur trioxide (SO₃) (approx. 20% (w/w)).
Potafoska 12 NPK fertiliser - application:
This is a pre-sowing fertiliser; it must be mixed with soil to a depth of 10 – 15 cm. On grassland, the fertiliser should be applied in early spring according to the phosphorus dose intended for the entire growing season.
Potafoska 12 Siarkopol mineral fertiliser - dosage:
Indicative fertiliser doses are shown in examples in the "Dosage" tab.
Application and dosage
|
Crop |
Fertiliser dose (kg/ha) depending on soil P and K availability |
|---|---|
| Winter cereals | 350 – 550 |
| Spring cereals | 250 – 500 |
| Oilseed rape | 300 – 550 |
| Sugar beet | 350 – 600 |
| Leguminous and small-seeded fodder legumes | 300 – 550 |
| Grassland | 350 – 650 |













