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Diammonium phosphate fertilizer DAP 18-46-0
Diammonium Phosphate DAP 18-46-0 fertilizer is an excellent source of P and nitrogen (N) for plant nutrition. It is highly soluble and thus dissolves quickly in soil to release plant-available phosphate and ammonium. A notable property of Diammonium Phosphate DAP 18-46-0 is the alkaline pH that develops around the dissolving granule.
As ammonium is released from dissolving Diammonium Phosphate DAP 18-46-0 granules, volatile ammonia can be harmful to seedlings and plant roots in immediate proximity. This potential damage is more common when the soil pH is greater than 7, a condition that commonly exists around the dissolving Diammonium Phosphate DAP 18-46-0 granule. To prevent the possibility of seedling damage, care should be taken to avoid placing high concentrations of Diammonium Phosphate DAP 18-46-0 near germinating seeds.
The ammonium present in Diammonium Phosphate DAP 18-46-0 is an excellent N source and will be gradually converted to nitrate by soil bacteria, resulting in a subsequent drop in pH. Therefore, the rise in soil pH surrounding DAP granules is a temporary effect. This initial rise in soil pH neighboring DAP 18-46-0 can influence the micro-site reactions of phosphate and soil organic matter.
| Items | Standard |
| Appearance | Dark Brown or Yellow Granular |
| Total P2O5 + N | 64%min |
| Total N | 18%min |
| P2O5 | 46%min |
| Moisture | 2.0%max |
| Size | 1-4mm,90%min |
| Packing | 50kg/bag 25MT/20'GP |
Application
1.Used in agriculture, used as nitrogen fertilizer. It is a kind of action fertilizer,which can make crops thrive and improve fruit quality and yield , help crops strengthen resistance to disaster.
2. Raw material of making compound fertilizer.
3. In chemical industry, it is used for raw material in making oxydol, ammonia-alum and ammonium chloride
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