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Rock phosphate is a naturally occurring mineral used primarily as a source of phosphorus in fertilizers. It is composed mainly of calcium phosphate and is mined from sedimentary deposits. The mineral is ground into a fine powder to create a fertilizer that is essential for plant growth, particularly for root development and flowering.
| Chemical Composition | Calcium phosphate |
| Phosphorus Content | Typically 30% to 35% P2O5 |
| Granule Size | Fine powder to granules of 1-5 mm |
| Solubility | Low solubility in water, varies with processing |
| Origin | Naturally mined from phosphate rock deposits |
When selecting rock phosphate, consider the phosphorus content, as this can vary between sources. Buyers should specify the desired granule size and any specific solubility requirements based on their application. Additionally, inquire about the origin of the rock phosphate and any certifications related to organic farming if applicable. Quantities may vary based on the scale of agricultural operations.
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It is primarily used as a phosphorus source in fertilizers.
Yes, it is a natural mineral and can be used in organic farming.
It is mined, crushed, and ground into a fine powder or granules.
It promotes root development and enhances flowering in plants.
It is suitable for most soils but may require soil testing for effectiveness.
It can be mixed into the soil or applied as a top dressing.