粒状重过磷酸钙(GTSP)是一种高浓度、水溶性的速效磷肥，其有效磷含量是普钙(ssp)的2.5 ~ 3.0倍。

Heavy granular superphosphate (GTSP) is a high concentration of water-soluble phosphate available, the available phosphorus content is SSP (SSP) of 2.5 ~ 3.0 times.

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三料过磷酸钙简称：重钙(TSP)质量标准：HG 2219 - 2224 - 91性状：粒状固体，微酸性，外观呈灰白色或暗竭色。

Triple superphosphate Abbreviations: TSP (TSP) Quality Standard: HG2219-2224-91 Characters: granular solid, slightly acidic, look pale or dark colored exhaust.

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