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[Information] Regarding the Maintenance and Management of Subsurface Drainage

To enhance the effectiveness of subsurface drainage! Introducing the effects of subsurface drainage and the expected benefits of underground irrigation.

This document explains "the maintenance and management of subsurface drainage" and "underground irrigation systems utilizing existing subsurface drains." It introduces field management practices such as the construction of auxiliary drains and the smooth operation of surface drainage. Additionally, it provides clear photographs and descriptions of the construction achievements of underground irrigation systems and their operation methods, so please take a moment to read it. [Contents] ■ Maintenance and management of subsurface drainage ■ Effects of subsurface drainage ■ Proposal for new technology: groundwater level adjustment systems ■ Expectations from underground irrigation ■ Operation methods for underground irrigation ■ Construction achievements of the Hōnen underground irrigation system *For more details, please download the PDF or feel free to contact us.