Practical Use Method of Paddy Field Pipeline Facilities of Closed type in considerration for Water Use from the Hydrant

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Pipeline facilities of naddy field is designed mainly by puddling discharge. Among changed of water inflow to pipeline network, water use from the hydrant out of one of the uses of this facility is a mather of primary concern to user.In this study, the actual use method is indicated by examples; that is, these are Tougo Regions, Tsuruokaseibu Regions, and Nikkogawa Regions of Yamagata Prefecture, Senbokuheiya Regions of Akita Prefecture, Shiranego Regions, Hashida Regions, and Ohshima-shimogo Regions of Niigata Prefecture. Actual water use in thes regions was considered from a point of view of water management, hydraulics, and so on.