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TSP fertilizer, or Triple Super Phosphate, is a highly concentrated phosphorus fertilizer made from phosphate rock and sulfuric acid. It typically contains around 46% phosphorus pentoxide (P2O5), making it one of the most efficient sources of phosphorus for plants. TSP is used to promote root development, flowering, and fruiting in various crops and is especially beneficial in soils that are low in phosphorus.
| Chemical formula | Ca(H2PO4)2·H2O |
| Nutrient content | 46% P2O5 |
| Appearance | White to off-white granular or powder |
| Solubility | Soluble in water |
| Typical application rate | 100 to 300 kg/ha |
When selecting TSP fertilizer, buyers should consider the specific phosphorus needs of their crops and soil tests indicating nutrient deficiencies. It's important to specify the desired nutrient content, granule size, and any specific certifications required for organic farming or environmental regulations. Quantities should be based on the size of the area to be treated and the recommended application rates for the specific crops.
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TSP fertilizer is primarily used to supply phosphorus to crops, promoting root growth and flowering.
TSP can be applied directly to the soil or mixed with other fertilizers, depending on the crop's needs.
While TSP is beneficial for most crops, it should be used according to soil test recommendations to avoid phosphorus overload.
TSP is generally not considered organic; however, some organic certifications may allow its use under specific conditions.
TSP should be stored in a cool, dry place to prevent moisture absorption and caking.
TSP has a higher phosphorus content compared to many other fertilizers, making it more efficient for delivering phosphorus.