September 6, 2014 Organic Growers School Harvest...
Transcript of September 6, 2014 Organic Growers School Harvest...
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September 6, 2014
Organic Growers School Harvest Conference
"Grow Year Round: Easy and Affordable Systems for Season
Extension"
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Randal PflegerGrass to GreensBountiful Cities
www.grass2greens.comwww.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 HoophousePhotos 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%20SEASON%20GARDENING%20For%20WINTER%20CONFERENCE2.pdf
• Sunil Patel with Patchwork Urban Farms• Fifth Season Gardens• Reems Creek Nursery
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Randal PflegerGrass to GreensBountiful Cities
www.grass2greens.comwww.bountifulcities.org