Precision horticultural climate engineering parameters, solar Daily Light Integral (DLI) curves, seasonal thermal screen deployment strategy, and heating/cooling load calculations for Shouguang, Shandong, China (Monsoon Continental (Dwa)).
In Shouguang, Shandong, China, natural solar Daily Light Integral transitions from 14-20 mol/m²/day during winter solstice to 42-50 mol/m²/day at summer peak. For commercial crops like Chinese Solar Greenhouse Tomato, Pepper, Cucumber, target canopy DLI requires dynamic screen management to avoid photoinhibition during midday radiation spikes exceeding 850 W/m².
Screen Specification: Thick Quilted Thermal Blanket (Night Roll-Down)
Primary Cooling Strategy: Top & Bottom Film Venting
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: Chinese Solar Greenhouse Tomato, Pepper, Cucumber.