| Customization: | Available |
|---|---|
| CAS No.: | 65996-95-4 |
| Formula: | Ca(H2po4)2 Cahpo4 |
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| Item | Standard Value |
| Product Name | TSP Phosphate Fertilizer |
| Appearance | Gray Granular |
| Total P2O5 | 46% |
| Effective P2O5 | 42% |
| Soluble P2O5 | 37% |
| Calcium as CaO | 18.6% |
| Free Acid | 2.0% |
| Moisture | 1.9% |
| Particle Size | 1-4.75≥90% |
TSP, it is known as calcium dihydrogen phosphate and as monocalcium phosphate, containing 46% phosphate. Phosphorus is vital for photosynthesis to occur.
TSP has several agronomic advantages that made it such a popular P source for many years. It has the highest P content of dry fertilizers that don't contain nitrogen (N). Over 90 percent of the total P in TSP is water soluble, so it becomes rapidly available for plant uptake. As soil moisture dissolves the granule, the concentrated soil solution becomes acidic. TSP also contains 15 percent calcium (Ca), providing an additional plant nutrient.
A major use of TSP is in situations where several solid fertilizers are blended together for broadcasting on the soil surface or for application in a concentrated band beneath the surface. It's also desirable for fertilization of leguminous crops, such as alfalfa or beans, where no additional N fertilization is needed to supplement biological N fixation.
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