NPK 13/6/27 + 2 + B (Hi-Kay Bio)

Total Nitrogen (N): ≥ 13%
Total Phosphorus Penta Oxide (P2O5): ≥ 6%
Total Potassium Oxide (K2O): ≥ 27%
Magnesium (MgO): ≥ 2%
Boron