Fused phosphate fertilizer (Fused phosphate fertilizer)

Japanese: 溶成リン肥(溶成燐肥) - ようせいりんぴ（英語表記）fused phosphate fertilizer

One of the dry-type phosphate fertilizers. Originally, it was a general term for fertilizer salts produced by adding additives to phosphate rock and melting it. Types such as fused magnesium phosphate fertilizer, Rechling phosphate fertilizer, defluorinated fused tricalcium phosphate, and calcium metaphosphate have been industrialized or researched. Although the form of the starting material is different, Thomas phosphate fertilizer can also be considered a fused phosphate fertilizer in the broad sense. As fused magnesium phosphate fertilizer is the only one currently produced in Japan, it is generally called fused phosphate fertilizer (soluble phosphorus). It is also produced in Brazil, South Korea, and South Africa.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

乾式リン酸肥料の一つ。本来はリン鉱石に添加剤を加え溶融処理して製造する肥料塩の総称である。溶成苦土リン肥，レヒリングリン肥，脱フツ溶融リン酸三石灰，メタリン酸石灰などの種類が，工業化あるいは研究された。出発物質の形態は異なるが，トーマスリン肥も広義の溶成リン肥といえる。日本で現在生産されているのは溶成苦土リン肥だけなので，一般にはこれを溶成リン肥(溶リン)と呼ぶ。ブラジル，韓国，南アフリカでも生産される。

出典　株式会社平凡社世界大百科事典第２版について　情報

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