Precision horticultural climate engineering parameters, solar Daily Light Integral (DLI) curves, seasonal thermal screen deployment strategy, and heating/cooling load calculations for Murcia (Campo de Cartagena), Spain (Semi-Arid Mediterranean (BSk)).
In Murcia (Campo de Cartagena), Spain, natural solar Daily Light Integral transitions from 15-20 mol/m²/day during winter solstice to 48-56 mol/m²/day at summer peak. For commercial crops like Lettuce, Melon, Table Grapes, Pepper, target canopy DLI requires dynamic screen management to avoid photoinhibition during midday radiation spikes exceeding 850 W/m².
Screen Specification: Thermo-reflective Retractable Screen (40-50%)
Primary Cooling Strategy: High-Pressure Fogging + Shading Screens
Maintaining positive day-night temperature differential (DIF) and nighttime dehumidification minimizes condensation on cold structural glass surfaces, suppressing Botrytis and powdery mildew spore viability.
Major protected cropping varieties grown at scale in this regional cluster: Lettuce, Melon, Table Grapes, Pepper.