Fertilizers
Stemma SK HD
The potassium-sulphur combo
for the best ripening
Foliar • Fertigation
Stemma SK HD guarantees the maximum bioavailability of Sulphur and Potassium. It is particularly suitable for applications in fertigation, even with hard waters and in alkaline soils.
Stemma SK HD anticipates and uniforms ripening, increases the sugar content, color and soluble solids.
Rate of use
Composition % w/w (equivalent to % w/v at 20°C)
Rate of use
Foliar: All the crops 2 – 3 l/ha
Fertigation: All the crops 20 – 25 l/ha
Composition % w/w (equivalent to % w/v at 20°C)
| Total nitrogen (N) | 3% w/w |
| Ureic Nitrgen (N) | 3% w/w |
| Potassium oxide (K2O) soluble in water | 23% w/w |
| Sulphur trioxide (SO3) soluble in water | 39% w/w |
| Molybdenum (Mo) soluble in water | 0.005% w/w |