Precision horticultural climate engineering parameters, solar Daily Light Integral (DLI) curves, seasonal thermal screen deployment strategy, and heating/cooling load calculations for Kochi (Tosa Bay), Japan (Humid Subtropical High Sunshine (Cfa)).
In Kochi (Tosa Bay), Japan, natural solar Daily Light Integral transitions from 16-22 mol/m²/day during winter solstice to 42-50 mol/m²/day at summer peak. For commercial crops like Japanese Eggplant (Nasu), Sweet Pepper, Cucumber, target canopy DLI requires dynamic screen management to avoid photoinhibition during midday radiation spikes exceeding 850 W/m².
Screen Specification: Retractable Thermal Screen + Fine Insect Mesh
Primary Cooling Strategy: Roof Exhaust & Typhoon-Proof Vent System
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: Japanese Eggplant (Nasu), Sweet Pepper, Cucumber.