節水を考慮した1回の潅慨水量についての再検討

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書誌事項

タイトル別名
  • Reconsideration on the Amount of Each Irrigation from the Water Saving View Point
  • セッスイ オ コウリョシタ 1カイ ノ カンガイ スイリョウ ニ ツイテ ノ
  • Study on upland water requirement in humid region (I)
  • 湿潤地域における畑地潅概用水計画の班究 (I)

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抄録

This paper explains the amount of upland water requirement in humid region like Japan, and then searches for the way to save water.<BR>For water saving, each irrigation amount and the irrigation interval are considered.<BR>The results are summarized as follows;<BR>1. The reduction in each irrigation amount and the irrigation interval is effective for water saving.<BR>2. The period for calculating the consumptive use have to be based on the average consumption figure of about 1 month.<BR>3. The small portion of rainfall, which is considerd ineffective at the planning time, is useful for increase of soil moisture.<BR>4. The water balance method in soil is confirmed and it is confirmed that the method is simple and effectual.

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