Outdoor & Greenhouse Growing
Site selection, weather, microclimate, soil, irrigation, wind, rain, greenhouse ecology, and outdoor crop risks.
Published lessons
These pages are organized here by subject. The permanent THC-ENC IDs remain stable behind the scenes even when a clearer display title is used.
Site Selection and Production Goals
Evaluate an outdoor or protected-cultivation site by matching lawful production goals to climate, soil, water, access, contamination, infrastructure, and risk.
Latitude, Daylength, and Seasonal Flowering
Explain how latitude, date, twilight, cultivar genetics, and plant history interact to control seasonal flowering.
Climate Normals and Local Weather Records
Use long-term climate baselines and site weather records without confusing averages with guarantees.
Microclimates, Slope, Aspect, and Cold-Air Drainage
Predict and verify small-scale temperature, radiation, wind, and moisture differences across a site.
Sun Path, Shade, and Outdoor DLI
Measure how solar geometry, weather, obstructions, structures, and canopy development shape outdoor daily light integral.
Field Soil Testing and Preparation
Combine mapped soil information, field profile inspection, representative sampling, and laboratory analysis before amendment or construction.
Raised Beds, Containers, and In-Ground Rooting
Compare root-zone volume, buffering, drainage, temperature, irrigation, anchorage, and disease risk among in-ground, raised-bed, and container systems.
Transplanting and Outdoor Acclimation
Move plants outdoors while controlling light, wind, temperature, humidity, root, and handling transitions.
Irrigation Scheduling and Distribution Uniformity
Schedule irrigation from measured crop and root-zone conditions while verifying that the system applies water uniformly.
Mulches, Cover Crops, and Soil Moisture
Evaluate surface covers and living vegetation through water, temperature, erosion, nutrients, pests, fire, and disease tradeoffs.
Wind Exposure and Structural Support
Relate wind speed, gusts, turbulence, canopy form, soil anchorage, and support design to plant injury and system failure.
Heat, Drought, and Sunscald
Separate atmospheric heat, radiation load, root-zone drought, hydraulic limitation, and tissue sunscald.
Rain, Dew, and Flower-Disease Pressure
Evaluate how wetness duration, flower architecture, temperature, inoculum, injury, and crop stage influence disease risk.
Smoke, Dust, and Particulate Contamination
Separate plant physiological effects, worker exposure, surface deposition, chemical contamination, and product-release decisions during smoke or dust events.
Wildlife, Vertebrate Damage, and Exclusion
Identify vertebrate damage from evidence and select lawful exclusion measures that do not create new crop, worker, or ecological hazards.
Outdoor Pest and Beneficial-Insect Ecology
Interpret outdoor arthropod communities by separating presence, injury, natural enemies, pollinators, and decision thresholds.
Pollen Drift and Neighboring Crops
Assess unwanted pollination through source strength, flowering overlap, wind, atmospheric stability, distance, topography, and receptor sensitivity.
Greenhouse Ventilation, Shading, and Humidity
Control greenhouse climate by balancing solar load, ventilation, air movement, shading, heating, cooling, irrigation, and moisture removal.
High Tunnels and Season Extension
Explain how high tunnels alter radiation, temperature, humidity, rainfall, wind, soil, season length, and crop risk.
Weather Response Plans and Outdoor Crop Records
Build a traceable prepare–monitor–respond–recover system for outdoor and protected-crop weather events.