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在200克市售过磷酸钙(可溶性P_2O_520％,其中水溶性P_2O_5 19.2％)中加入300克市售碳酸钙粉末,充分混合后,再与500克市售过氧化钙(CaO_2为72％)粉末混合,可得此促进剂10千克。用此促进剂的水稻种
300 g of commercially available calcium carbonate powder was added to 200 g of commercially available superphosphate (soluble P2020 520%, water-soluble P205 19.2%) and thoroughly mixed with 500 g of powder of commercially available calcium peroxide (72% of CaO 2) Mix, available this accelerator 10 kg. Rice varieties with this accelerator