bioshelter an introduction j2$. definition a solar greenhouse managed as an indoor ecosystem key...
TRANSCRIPT
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BioShelterAn Introduction
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Definition
• A solar greenhouse managed as an indoor ecosystem
• Key features• Goal: Self-maintaining balance of energy production/consumption and waste
management• Passive solar heating• Thermal storage• Ventilation system• Subterranean heating and cooling system; “climate battery” (optional)
• Used for growing crops or creating a supplemental living space
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Can come in all sizes J2$
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Kimball Union Academy
• $1.1M proposal to produce food and create a laboratory for the science curriculum at the school
• Hydroponics in a 3,500 sq ft geothermally heated greenhouse
• Tower gardens to produce:• Fruits & Vegetables (over 70 varieties)• Asian Herbs & Vegetables (over 30
varieties)• Fresh Herbs (over 60 varieties)• Fresh Flowers (over 30 varieties)• Ornamental Flowers (over 60 varieties
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Growing Dome
• Growing Spaces in Pagosa Springs, CO
• Kits for the home hobbist and professional growers
• Larger scale systems (up to 42’ diameter) for schools and commercial growing operations
• Designed as much to “…create a beautiful indoor space for nurturing relaxation” as to provide for growing food crops
• We’ll look at an 18’ diameter kit that currently retails for $8,950 plus shipping, taxes, site prep, and locally sourced items
• Some assembly required
• Videos
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Successful growing environment
Kale Cucumbers Flowers
Lettuce Cantaloupe House Plants
Spinach Strawberries Cacti
Carrots Grapes Lemon Tree
Radishes Tomatoes Fig Tree
Swiss Chard Tree Collards Lemon Balm
Herbs: rosemary, parsley, bay, thyme, basil, tarragon, oregano
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Bioshelter
• Constructed in the summer of 2013
• Three temperature sensitive vents
• 650 gallon water tank for thermal storage
• Raised beds around the interior perimeter of the greenhouse
• Subterranean heating and cooling system
• 5W Solar powered fan for air circulation
• 20W Solar powered water fountain to aerate the water tank
• Goldfish
• Vermiculture composting
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Questions
• Thermal Storage• Air exchange• Passive solar gain• Auxiliary heating• Effects of wind• Potential food production
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Food production
• Some current prices from Hannafords and Uncle Dean’s
• All organic items
• Fresh herbs $1.79 for approximately 20g
• Cucumbers $3.49 each
• Tomatoes $2.49/lb (Backyard Farms)
• Spinach $4.75 for 0.55 lb
• Chard $2.59/lb
• Kale $2.89/lb
• Mixed salad greens $4.94 for 0.55 lb
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Temperature ranges for food crops
• Cool season vegetablesd (lettuce, chard, kale, carrots)• Daytime: 50°F to 70°F• Daytime short-term temperature extremes: 35°F to 90°F• Nighttime: 45°F to 55° F• Germination: 40° to 75°F
• Warm season vegetables (beans, tomatoes, melons)• Daytime – 60°F to 85°F• Daytime short-term temperature extremes – 50°F to 95°F• Nighttime – 55°F to 65°F• Germination – 60°F to 85°F
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