A modern greenhouse is highly sustainable and advanced in terms of its water usage.
In greenhouses, we constantly recycle about 20-30% of the water used for irrigation, disinfect it and then mix it with fresh water from an external source. This reduces water use but also fertilizer use – as the recycled water retains nutrients from one cycle to the next.
Drain water is recaptured and disinfected by a UV treatment. These solutions are simple to apply once installed and require very little maintenance. Reusing the drain water prevents land and water contamination, as fertilizers are not released into the ground and groundwater.
Examining and analyzing drain water content is vital in optimizing the irrigation program and nutrient composition and ensuring optimal crop development.
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