Definition:
Technique de drainage qui consiste à contrôler le niveau des nappes phréatiques au moyen de tuyaux de drainage verticaux et de pompes.
Source:
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Food and Agriculture Organization of the United Nations, AQUASTAT Web Site
FAO/IPTRID, 2001, Drainage and Sustainability, Issues Paper 3, October 2001, & D. Zimmer et al, 2001, Global Drainage Status and Needs, CEMAGREF