EUROFERTIL TOP 51 NPK

4% Ammoniacal Nitrogen (N)
10% phosphoric anhydride (P2O5) soluble in mineral acids
8% P2O5 soluble in neutral ammonium citrate and water, 7.2% P2O5 soluble in water
2% P2O5 soluble only in mineral acids
20% water-soluble potassium oxide (K2O)
2% water-soluble magnesium oxide (MgO)
17% total sulfur dioxide (SO3) 13% water soluble SO3
12% CaO
0.2% total boron (B)
0.15% total zinc (Zn)
Density: 1.0 +/- 0.05