Irrigation Act Article 9

Land for new construction or improvement of farmland water conservancy facilities shall be acquired through appropriation, establishment of superficies, land easement or rental, purchase by negotiated price, agreement of the landowner, or expropriation.
中文原文 農田水利法第9條
新建或改善農田水利設施所必需之工程用地,得以撥用、設定地上權、不動產役權或租用、協議價購、徵得土地所有權人同意或徵收等方式取得。

English translation for reference only; the Chinese text prevails. Not legal advice.