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watertable control : ウィキペディア英語版 | watertable control Watertable control is the practice of controlling the water table in agricultural land by subsurface drainage with proper criteria to improve the crop yield. == Description and definitions ==
Subsurface land drainage 〔Nosenko, P.P. and I.S. Zonn 1976. Land Drainage in the World. ICID Bulletin 25, 1, pp.65-70.〕 aims at controlling the water table of the groundwater in originally waterlogged land at a depth acceptable for the purpose for which the land is used. The depth of the water table with drainage is ''greater'' than without.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「watertable control」の詳細全文を読む
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