河川計画・管理

[II-10] An effect and problem of the dike vegetation management usingplant growth regulator et al in the Watarase River

〇ICHIZO TSUKAMOTO¹, HIROTO YATSUKI², YOSHIAKI YAMAMOTO², TAIJI MORINAGA² (1.Watarasegawa River Office,Kanto Regional Development Bureau,MLIT, 2.The River Foundation)

Keywords:Watarasegawa River, Dike vegetation, grass, introduced plant, plant growth regulator