…On the other hand, the abundant water volume allows water to be taken from about 30 weirs, irrigating about 55,000 hectares of rice paddies. In particular, the Oishi Weir (irrigation area 2,247 hectares), Yamada Weir (698 hectares), and Eri Weir (Tokojima Irrigation Canal, 1,927 hectares), which were completed after difficult construction work from the late 17th century to the early 18th century, are famous as the three largest weirs. … *Some of the terminology that refers to "Oishi Weir" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…他方,豊富な水量は約30の堰からの取水を可能にし,約5万5000haの水田を灌漑している。特に17世紀後半から18世紀前半にかけて難工事の末に完成した大石堰(灌漑面積2247ha),山田堰(698ha),恵利堰(床島用水。1927ha)は三大堰といわれ有名である。… ※「大石堰」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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