ȯɽÈÖ¹æ 5-40
A drainage experiment of level main drain and mole drains(¶)¡ÝHydraulic gradient of level main drain¡Ý
Tsuneo ONODERA [Paddy Institute Co.,Ltd.]
Takeshi TANIMOTO [National Institute for Rural Engineering]
Kousuke WAKASUGI [National Institute for Rural Engineering]
Shinsaku FUJIMORI [National Institute for Rural Engineering]
Tatsuro ASARI [Isawa-Nanbu Farmland Consolidation Project Office]
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Keyword: °Åµô, ̵¸ûÇÛ, Æ°¿å¸ûÇÛ
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