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.
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.
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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