かんこうせいひりょう 緩効性肥料 LinksSentence search for 緩効性肥料Sentence search for かんこうせいひりょうKanji details for 緩, 効, 性, 肥 and 料Edit in JMdict Noun1. controlled-release fertilizer; slow-acting fertilizer Discussions Log in to talk about this word.