Presented at MN Statewide High Tunnel Conference, Feb 17, 2015. Arrowwood Lodge, Baxter, MN Larry D Jacobson, Professor and Extension Agricultural Engineer Dept of Bioproducts & Biosystems Engineering University of Minnesota, St.Paul, MN Understanding High Tunnel Ventilation in Detail
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Presented at MN Statewide High Tunnel Conference, Feb 17, 2015.
Arrowwood Lodge, Baxter, MN
Larry D Jacobson, Professor and Extension Agricultural Engineer
Dept of Bioproducts & Biosystems Engineering University of Minnesota, St.Paul, MN
Understanding High Tunnel Ventilation in Detail
Presentation Outline
Ventilation principles Natural vs. Mechanical
High Tunnel application Manual Control Automated Control (by temperature)
Ventilation or Air Exchange of High Tunnels Needed to Remove Heat &
Moisture
Suggested Temperatures in High Tunnels for Selected Crops
Table 2. Approximate Temperatures for Best Growth and Quality of Selected Vegetable Crops.*