Translations:Fertilizer/17/en

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The main straight phosphate fertilizers are the superphosphates:

  • "Single superphosphate" (SSP) consisting of 14–18% P2O5, again in the form of Ca(H2PO4)2, but also phosphogypsum (Ca[[SO
    4
    ]] · 2 H
    2
    O
    ).
  • Triple superphosphate (TSP) typically consists of 44–48% of P2O5 and no gypsum.