Hi Amanthii, did you ...

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Hi Amanthii, did you investigate some HDPE (plastic) lining products? One example is http://www.smartditch.com/index.html There are a few other products on the market as well. In my experience, the issue with open irrigation channels is seepage (where unlined) and also evaporation (especially for long channels). Also, regulating / offtake structures cam cause some issues. Please feel free to contact me if you need any further advise. Regards, Iouri