Rainwater harvesting

Here is all the information you need to start planning, designing, 
operating and maintaining rainwater harvesting for polytunnels

Rainwater harvesting from polytunnels

Harvesting rainwater (RWH) is about collecting runoff from polytunnel covers or glasshouse roofs and transferring the water through pipes or gutters into storage tanks or reservoirs for later use. Water is then suitably treated, pressurised, and applied to the crop.

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