過か燐りん酸さん肥ひ料りょう

noun

superphosphate fertilizer

Technical agricultural term for a phosphate fertilizer produced by treating rock phosphate with sulfuric acid.

• 過か燐りん酸さん肥ひ料りょうはリン酸さんを多おおく含ふくむため、根ねの発はつ育いくを促そく進しんする。

  Superphosphate fertilizer contains a lot of phosphoric acid, so it promotes root development.