Tomato water use: 22 L/kg with open irrigation, 15 L/kg in a closed hydroponic system, about 4 L/kg in a fully closed greenhouse (WUR)
research.wur.nl (opens in a new tab)
WTR · system
Water
A closed water loop cuts the water used per kilogram of produce.
What's in the system
- RO treatment and water-quality monitoring
- Rainwater harvesting from roofs
- Condensate recovery and closed-loop recirculation
World benchmark.
The best published result for this system. Each figure links to its public source.
Make vs buy
Buy the RO plant; soilin.build makes the tanks; soilin.tech handles monitoring.