(NH4)2HPO4
Nutrients include P2O5 (46%) and ammoniacal nitrogen (18%). DAP provides the correct proportion of phosphate and nitrogen needed for farming wheat, barley and vegetables. It is also applied in the early stage of fruit orchard fertilization.
White crystal. Commercially available in colored state. Soluble in water.
Unit | Quantity | |
Molecular weight | amu | 132 |
Unit | Quantity / Description | |
Ammoniacal nitrogen | wt % | 18 min |
Total P2O5 | wt % | 46 min |
Water soluble P2O5 | wt % | 41 min |
Moisture | wt % | 1 max |
Particle size | wt % | 1-4 mm....90% min |
Used for grains, fruits and vegetables; banding (for calcareous soils) and broadcasting.