すいげんかんよう 水源涵養 LinksSentence search for 水源涵養Sentence search for すいげんかんようSentence search for 水源かん養Kanji details for 水, 源, 涵 and 養Edit in JMdict Noun1. headwater conservation; water source protection; water source cultivationOther forms水源かん養 【すいげんかんよう】 Discussions Log in to talk about this word.