Attempt to manage alien revegetation species Amorpha fruticosa L. community.

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  • クロバナエンジュ(Amorpha fruticosa L.)が優占する法面の植生管理技術の検討
  • クロバナエンジュ Amorpha fruticosa L ガ ユウセンスル ノリメン ノ ショクセイ カンリ ギジュツ ノ ケントウ

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The technology that manages to alien revegetation species Amoerpha fruticosa L. community is important factor. The purpose of this study was confirming the effect the management of Amoerpha fruticosa L. We measured dead population and sprouts of Amoerpha fruticosa L. Five types of experiment plots were set in the cut-slope. Treatments of each plot were 1) cut down once in spring, 2) cut down twice in spring and summer, 3) cut down and spread herbicide once in spring, 4) cut down and spread herbicide once in summer and 5) cut down and spread herbicide twice in spring and summer It was clear that treatments 4) and 5) were able to exterminate Amoerpha fruticosa L. population by approximately 60%, and were able to reduce sprouts more than other treatments. Therefore, we concluded that treatment 4) was most efficient and effective method.

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