GP 20+5+8 (+2) + Iron
GP 20+5+8 is a professional slow-release turf fertiliser with magnesium and iron. Balanced NPK(Mg) ensures even nutrition for up to 3 months.
- Composition
- NPK 20+5+8 (+2 MgO) + 1 % Fe
- Duration of action
- Up to 3 months
- Application rate
- 30–50 g/m²

