Precision horticultural climate engineering parameters, solar Daily Light Integral (DLI) curves, seasonal thermal screen deployment strategy, and heating/cooling load calculations for Cayambe, Pichincha, Ecuador (Equatorial Alpine (Cfb, 2,850m Zero Latitude)).
In Cayambe, Pichincha, Ecuador, natural solar Daily Light Integral transitions from 35-42 (Extreme UV Index) mol/m²/day during winter solstice to 35-42 (Extreme UV Index) mol/m²/day at summer peak. For commercial crops like World-Class Long-Stem Premium Cut Roses, target canopy DLI requires dynamic screen management to avoid photoinhibition during midday radiation spikes exceeding 850 W/m².
Screen Specification: UV-Stabilized Polyethylene + Night Energy Retention Curtain
Primary Cooling Strategy: High UV-Absorbing Greenhouse Covers
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: World-Class Long-Stem Premium Cut Roses.