{"id":1557,"date":"2025-07-01T09:33:29","date_gmt":"2025-07-01T09:33:29","guid":{"rendered":"https:\/\/mofidltd.com\/?page_id=1557"},"modified":"2026-01-28T13:11:07","modified_gmt":"2026-01-28T13:11:07","slug":"ssp-fertilizer","status":"publish","type":"page","link":"https:\/\/mofidltd.com\/en\/departments\/raw-material-and-fertilizer\/ssp-fertilizer\/","title":{"rendered":"SSP Fertilizer"},"content":{"rendered":"
<\/div>
<\/div>

Supplier of High-Quality SSP (Single Super Phosphate)<\/strong><\/span><\/h1>\n<\/div><\/div>
<\/div>
  1. Home<\/span><\/a><\/li>
  2. <\/i><\/li>
  3. Pages<\/li><\/ol>
    <\/div><\/div><\/div><\/div><\/div><\/section>

    Introduction<\/strong><\/h2>\n

    Single Super Phosphate (SSP) is one of the first commercial mineral fertilizers that has been widely used in agriculture since the 1840s. By providing phosphorus, sulfur, and calcium, this fertilizer plays a key role in improving soil fertility and increasing crop yields. In this article, we will review the characteristics, production process, benefits, disadvantages, and applications of SSP, and provide comprehensive information by enhancing the strengths of existing resources and addressing their shortcomings.<\/p>\n

    Single Super Phosphate Production Process<\/h2>\n

    Single superphosphate is produced by the chemical reaction of phosphate soil (mainly fluorapatite) with sulfuric acid. This reaction converts the insoluble phosphorus in phosphate soil into a soluble form (monocalcium phosphate) that is more suitable for absorption by plant roots. The chemical equation for this process is as follows:<\/p>\n

    2Ca\u2085(PO\u2084)\u2083F + 7H\u2082SO\u2084 + 3H\u2082O \u2192 7CaSO\u2084 + 3Ca(H\u2082PO\u2084)\u2082\u00b7H\u2082O + 2HF<\/p>\n

    Production steps:<\/h3>\n

    Extraction and grinding of phosphate rock<\/a>: Phosphate rock extracted from mines (such as the Negev mines in Israel or other areas) is converted into a fine powder to increase its reactivity.
    \nReaction with sulfuric acid:     Phosphate rock<\/a> powder is mixed with sulfuric acid to produce monocalcium phosphate and gypsum (CaSO\u2084).
    \nProcessing and granulation: The final product is dried, screened, and packaged as granules for easier use in the fields.<\/p>\n

    One of the environmental benefits of SSP is the absence of phosphogypsum waste, which is a problem in the production of fertilizers such as TSP (triple superphosphate).<\/p>\n

    Chemical composition and nutrients<\/p>\n

    Single superphosphate usually contains the following components:<\/p>\n

    Phosphorus (P\u2082O\u2085): 16-20% (80-95% water soluble)<\/p>\n

    Sulfur (S): 11-12% (as absorbable sulfate)<\/p>\n

    Calcium (Ca): 19-21%<\/p>\n

    Other elements: Trace amounts of zinc (Zn) and other micronutrients in some crops.<\/p>\n

    This composition makes SSP a suitable fertilizer for soils poor in phosphorus and sulfur, especially in pastures and alkaline soils.<\/p>\n

    Benefits of single superphosphate<\/h2>\n

    Improves root growth: The phosphorus in SSP helps develop strong roots, which are essential for the absorption of water and nutrients.
    \nIncreases crop yield: The use of SSP in crops such as wheat, corn, soybeans, cotton and pastures increases crop yield and quality.
    \nMultiple nutrient supply: In addition to phosphorus, SSP contains sulfur and calcium, which are very beneficial for soils poor in these elements.
    \nCompatibility with different soils: SSP performs well in alkaline, calcareous and phosphorus-poor soils and can be used directly or in combination with other fertilizers (such as ammonium sulfate).
    \nEnvironmental advantage: The lack of harmful wastes in the production process makes SSP a more sustainable option than some other phosphate fertilizers.
    \nCost-effective: Due to its lower phosphorus content than TSP, SSP is usually cheaper and is suitable for farmers looking for economical solutions.
    \nDisadvantages and limitations
    \nLower phosphorus content: SSP has less phosphorus than TSP (with 40-46% P\u2082O\u2085), which may not be sufficient for some phosphorus-intensive crops.
    \nSoil Acidification: Continuous use of SSP can lower soil pH. To overcome this problem, it is recommended to use lime to adjust soil pH.
    \nNeed for Frequent Application: Due to the low mobility of phosphorus in the soil, SSP must be applied regularly and as a base fertilizer.
    \nIncompatibility with some fertilizers: SSP cannot be mixed with fertilizers containing urea or diammonium phosphate (DAP), which may create compositional limitations.<\/p>\n

    Practical Applications of SSP<\/h2>\n

    Single superphosphate is used in fields, orchards and pastures in granular or powdered form. Application methods include:<\/p>\n

    Direct application: broadcast on the soil surface or place near the roots (in small holes in the root line).
    \nMixed application: mixed with other fertilizers (except urea and DAP) to create custom formulations.
    \nTiming: Usually applied as a base fertilizer before planting or in the early stages of plant growth.<\/p>\n

    SSP is well suited for crops such as wheat, corn, soybeans, cotton, coffee, vegetables and pastures. Also, when composting with agricultural waste, SSP can help increase phosphorus availability and reduce nitrogen losses.<\/p>\n

    Practical advice for farmers<\/h2>\n

    Application rate: For soil preparation before planting, 2.3 kg of SSP per 19 m2 is recommended. For annual application, 59-118 ml per 2 m2 is sufficient.<\/p>\n

    Avoid contact with leaves: If using granules, prevent them from sticking to the leaves and irrigate the soil after application.<\/p>\n

    Combination with humic acid: Research has shown that adding humic acid to SSP can improve phosphorus uptake and crop yield in calcareous soils.<\/p>\n

    Sustainability and Future Prospects<\/h2>\n

    The use of SSP is a sustainable option for agriculture due to the absence of harmful waste and low cost. However, to improve its efficiency, further research is needed on combining SSP with phosphate-solubilizing microorganisms (PSF) and organic matter such as humic acid. These compounds can increase phosphorus availability and reduce environmental impacts.<\/p>\n

    Our Products<\/h2>\n

    We provide Single Super Phosphate (SSP) in two primary granular grades from Egypt<\/b>, specifically designed for high absorption and soil enrichment. Below are the key chemical and physical properties as per the International A.O.A.C. standard methods.<\/p>\n

    1. Granulated SSP 19% (G.S.S.P)<\/b><\/h4>\n

    This grade is ideal for standard crop requirements with high water solubility.<\/p>\n