磷酸氢二铵（DAP）
描述
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.
属性
White crystal. Commercially available in colored state. Soluble in water.
| Unit | Quantity |
|---|
| Molecular weight | amu | 132 |
规格
| 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
< 1 mm....5% max |
应用
Used for grains, fruits and vegetables; banding (for calcareous soils) and broadcasting.
存储和处理
Stored in bulk and bags.
包装
DAP is bagged in 1 ton bags and sold in the Kingdom of Saudi Arabia.
运营公司
National Chemical Fertilizer Company (IBN AL-BAYTAR).