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September 6, 2014 Organic Growers School Harvest Conference - - PowerPoint PPT Presentation
September 6, 2014 Organic Growers School Harvest Conference - - PowerPoint PPT Presentation
September 6, 2014 Organic Growers School Harvest Conference "Grow Year Round: Easy and Affordable Systems for Season Extension" Randal Pfleger Grass to Greens Bountiful Cities www.grass2greens.com www.bountifulcities.org
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Initial Questions:
- Level of experience in classroom
- Scale of gardening/production in classroom
- Want to extend season at home, work, or other
production site
- In urban areas or rural/acreage
- Initial Burning Questions from workshop
attendees
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Why Extend Growing Season:
- Eat year round, grow year round
- Market demand (markets, co-op,
chefs/restaurants) in winter and early summer
- Brighten your winter
- But … hard work March-November
- But … grow and live in Florida?…
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What to plant September-October
Leaves:
- Mache
- Spinach
- Tatsoi
- Minutina
- Lettuce
- Arugula
- Mizuna
- Mustard
Roots:
- Beet
- Turnip
- Radish
See: http://www.fourseasonfarm.com/pdfs/garden_for_all_seasons.pdf
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Season Extension Year-Round
- Focus now on fall, winter, early spring
- Season extension in summer:
– greens – fruit – shade
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Season Extension Infrastructure
- Coldframes
- Low tunnels
- Caterpillar tunnels
- Row covers
- High tunnels/Hoophouses
- Greenhouses
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Mechanics, Infrastructure, Materials:
- Framework: Structure
- Bendable hoops
- Split bamboo
- Metal
- Wood
- Metal Conduit
- Steel
- Glazing: Materials
- Plastics, corrugated plastic, glass, row covers
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Location, location, location
- Site Analysis, solar gain in morning
- Micro-climates
- Aspect
- Adjacent to stone or concrete
- Adjacent to homes: heat exchange and
health
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Cinder Block Coldframe
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Wooden Cold Frames
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Straw bale cold frame
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“10 Reasons Why Low Tunnels Beat Cold Frames for Winter Gardening”
- Let the Sunshine In!
- A Few Meals Versus Many
- How Low Must You Grow
- Let Me Level With You
- For the Mechanically-Disinclined
- Winter's Over. Now What?
- A Reason For Every Season
- Excuse Me While I Vent
- Thar She Blows
- Saving Green While Growing Green
http://www.motherofahubbard.com/10-reasons-low-tunnels-are-better- than-cold-frames/
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Low tunnels with floating row cover
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Caterpillar Tunnel and Floating Row Covers
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Hoop Houses / High Tunnels
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Community Hoop House Project
http://www.samsva.org/?page_id=1347
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Greenhouses
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Other Considerations
- Thermal Mass
- Ventilation
- Size
- Orientation
- Economics
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Scale, Geodesic Domes, and Hydroponics
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Truly Living Well, Atlanta, GA
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Integrated systems:
- Chickens in hoop houses. See Andy Lee and Pat Foreman's Chicken Tractor.
- Low tunnels in high tunnels. See Eliot Coleman.
- Heat in hoop houses/greenhouses (wood heat, propane, or composting)
- Using vertical space/stacking functions
- Shawn Jadrnicek, Clemson University.
- Sun rooms and adjacent to buildings.
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Home Hoophouse Photos from Friday 9//5/14
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Resources:
- Coleman, Eliot. Four Season Harvest. 1999.
- Coleman, Eliot. The Winter Harvest Handbook: Year Round Vegetable Production
Using Deep Organic Techniques and Unheated Greenhouses. 2009
- ATTRA: attra.ncat.org/
- National Sustainable Agriculture Information Service
- ATTRA Webinar - Hoop Houses For Extending Your Growing Season
https://www.youtube.com/watch?v=VZ-JAGKcup8
- FarmTek:
http://www.farmtek.com/farm/supplies/cat1a;ft_high_tunnels_cold_frames.html
- Google: Eliot Coleman planting schedule
http://www.nofanj.org/Posted%20PDFs/2013%20WC%20Presentations/FOUR%20S EASON%20GARDENING%20For%20WINTER%20CONFERENCE2.pdf
- Sunil Patel with Patchwork Urban Farms
- Fifth Season Gardens
- Reems Creek Nursery
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