Low-heat full-LED tomato trial achieves 50% reduction in heat
To help growers find a solution for cultivating a full-LED winter lit crop with a low heat input without impacting on yield or quality, Philips Horticulture LED Solutions and Grodan ran a joint trial at Botany Research Center, the Netherlands. The trial, which used active air dehumidification, has demonstrated that controlling and optimising all the aspects in a greenhouse enables a lower heat input to be realised while enabling sufficient transpiration to support strong and healthy crop production. In fact, the final results were even better than expected: the heat input was reduced by more than 50%.
Key results thanks to a holistic approach to growing with full LEDs and active air dehumidification:
- Over 50% less heat input compared to commercial practice
- Increased production efficiency in g/kWh and EUR/kg
- A very stable climate, facilitating predictive water uptake and additional possibilities to steer the veg/gen balance in the crop
- Monitoring the uptake of individual nutrient elements opens up new steering possibilities in optimising nutrient recipes
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