1. Sustainability wonders: Bicycle Clothes line Condom Library Pad Thai Lady bugs Ceiling fan & The root cellar

10. 100,000 Pounds of Potatoes 1000 Btu/ton/day Loose 10% in weight to evaporation 3” Urethane on walls 5” on ceiling

12. Dry Storage

14. Root Cellar Design Stephen Belyea Maine Department of Agriculture, Food, and Rural Resources

16. Vegetables Respire in Storage H2O CO2 O2 Heat Pathogens

17. Ideal Conditions Vary by Crop

18. 2-3 22000 1.5-2.0 50-70 50-55 40 Squash 6-12 1000 1.0-1.5 95-100 38-45 40 Potato 6 1200 1.0-1.5 98-100 32-38 36 Cabbage 4-6 1500 1.0-1.5 98-100 32-35 40 Rutabaga 4-6 2200 0.5-1.0 90-98 32-40 48 Beet 7-9 4400 0.5-1.0 90-98 32-35 40 Carrot 3-4 1100 2.0-2.5 70-75 32-50 43 Garlic 1-8 1100 2.0-2.5 65-75 32-45 46 Onion Months Btu/ton/day cfm/cwt % deg. F #/cu.ft. Crop Time Resp. Airflow Humidity Temp. Density Heat of Rel Storage Bulk

23. 2-3 22000 1.5-2.0 50-70 50-55 32 Squash 6-12 1000 1.0-1.5 95-100 38-45 40 Potato 6 1200 1.0-1.5 98-100 32-38 36 Cabbage 4-6 1500 1.0-1.5 98-100 32-35 40 Rutabaga 4-6 2200 0.5-1.0 90-98 32-40 48 Beet 7-9 4400 0.5-1.0 90-98 32-35 40 Carrot 3-4 1100 2.0-2.5 70-75 32-50 43 Garlic 1-8 1100 2.0-2.5 65-75 32-45 46 Onion Months Btu/ton/day cfm/cwt % deg. F #/cu.ft. Crop Time Resp. Airflow Humidity Temp. Density Heat of Rel. Storage Bulk

26. Storage Totes Footprint - Drawn to Scale In the Floor Plan

30. Shell Ventilation Example

32. 2 3 4 5 1 1 – 24 hr. timer 2 – Low Limit Thermostat 3 – Inside Temperature Thermostat 4 – Outside Temperature Thermostat 5 – On / Off Switch Ventilation Fan Basic Ventilation Control Panel Components

33. Commercial Air Handler

45. Commercial Refrigeration Condensor

46. Air Conditioner Cool Bot Application?

47. Humidification

48. Portable Humidifier

49. Centrifugal Humidifier

51. Evaporative Media Humidifier

54. Hygrometer

55. Power Psychrometer

56. Temperature Monitoring

57. Electronic Thermometer

58. Supplemental Heat

59. Electric Space Heater

60. Other Considerations

61. Easy Access

62. Easy Access / Easy Clean Up Well Lighted

63. Questions … and maybe Answers

64. Small Electric Space Heater