NP 15.15.15+15 (SO3) FERTILIZER
| GUARANTEED ANALYSIS | % BY MASS (w/w) |
|---|---|
| Total Nitrogen (N) | %15 |
| Ammoniacal Nitrogen (N) | %12 |
| Urea Nitrogen (N) | %3 |
| Soluble in Neutral Ammonium Citrate and Water Phosphorus Pentoxide (P2O5) |
%15 |
| Water-Soluble Phosphorus Pentoxide (P2O5) | %13.5 |
| Water-Soluble Potassium (K2O) | %15 |
| Total Sulfur Trioxide (SO3) | %15 |
NP 15.15.15+15 (SO3)
Compound NP 15.15.15+15(SO3) fertilizer contains 15% nitrogen, 15% phosphate (P2O5), 15% potassium and 15% SO3. Due to potassium deficiency in soils in Türkiye, these fertilizers have been increasingly preferred in recent years.



