intensive and year round vegetable gardeningpeople.oregonstate.edu/~millerwe/oregon...
TRANSCRIPT
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Intensive and Year Round Vegetable Gardening !
John Foster " Oregon Tilth"
March 14, 2007!
Presented by Kathy Dang !
Oregon Tilth!
Organic Gardening Certificate Program !
Learning Gardens Lab!
October 3, 2009!
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Presentation Outline!•!Intensive Gardening
Methods!
•!Fall and Winter Gardening!
•!Resources!
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Why garden intensively?!
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Keyhole Design!
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Herb Spiral!
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My backyard bed design!
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Planning Considerations for Intensive Gardening !
•!Length of crop- short or long season crop! (#of days to maturity)!•!Appropriate planting dates!•!Season specific varieties!•!Soil temperature!•!Length of harvest!•!Crop competition!
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Soil Fertility is Key!!
•!Increased soil fertility needs with intensive systems.!•!Important practices as part of a proactive soil management plan:!
•!Compost!•!Cover crops!•!Mulch!•!Crop rotation!•!Organic fertilizers!
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Intensive Gardening Methods:!Succession Planting!
•! For quick crops!
•! For crops eaten fresh!
•! For crops that don’t hold well in garden!
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Intensive Gardening Methods:!Succession Planting!
How to:!•! Plant same variety
in 2-3 week intervals!
•! Plant varieties with different # of days to maturity at same time!
•! Plant combo of seeds and starts together!
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Intensive Gardening Methods:!Succession Planting!
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Intensive Gardening Methods:!Succession Planting!
Succession Planting Chart and Soil Temperature Germination Chart at ATTRA, http://attra.ncat.org/new_pubs/attra-pub/continuousharvest.html?id=Oregon!
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Intensive Gardening Methods:!Interplanting!
Growing two or more types of crops in proximity, maximizing sunlight and minimizing competition.!
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Intensive Gardening Methods:!Interplanting!
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Intensive Gardening Methods:!Interplanting!
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Intensive Gardening Methods:!Companion Planting!
A type of interplanting method based on the concept that certain plants can benefit one another when planted in proximity.!
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Intensive Gardening Methods:!Companion Planting!
Benefits!
•! Beneficial habitats!
•! Trap cropping!
•! Symbiotic N fixation!
•! Biochemical pest suppression!
•! Security through diversity!
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Traditional Companion Planting!
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Traditional Companion Planting!
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Intensive Gardening Methods:!Companion Planting!
Undersowing cover crops!
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Intensive Gardening Methods:!Companion Planting!
Companion planting chart can be found at, !http://attra.ncat.org/attra-pub/complant.html!
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Vertical Gardening!
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Vertical Gardening !
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Vertical Gardening !
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Vertical Gardening !
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Fall and Winter Gardening!
•! Portland area and Willamette valley has uniquely long growing season, about 200 days.!
•!Refer to Maritime NW Garden Guide for planting dates and experiment with timing!!
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Fall & Winter Gardening- Considerations !
•!Timing!•!Soil temperature!•!Varieties!•!Location!•!Drainage!•!Soil fertility!•!Spacing!
See OSU Extension Publication: Fall and Winter Gardening in PNW #548 for chart of fall/winter crops, varieties, and planting dates.!
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Planting and Care: Bed Prep!
•!Winter crops need balanced low levels of plant nutrients !•!Phosphorus and Potassium help to harden off plants for winter.!•!Do not add fertilizers late into fall!!•!Summer cover crops are great to plant before winter crops (i.e. buckwheat, phacelia) !
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Planting and Care:!Starting Seeds !
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Planting for fall, winter and spring harvest!
For Fall Harvest:!•!In June/July, plant slower growing crops that need extra time to mature before fall (broccoli, kale, carrots, beets).!•!In Aug, plant quick growing crops (salad crops)!•!August is considered our “second spring” in Maritime NW!
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Planting for fall, winter and spring harvest!
For winter and spring harvest:!
•! Similar to fall planting strategy but plant extra so you can harvest through winter.!
•! Most winter crops are planted from June – early August.!
•! Crops that go through winter need to be well established, but not quite mature, unless you are cold storing them in the ground (carrots, leeks).!
•! There are some very long crops that are started mid-summer and harvested in spring (purple sprouting broccoli) !
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Season Extenders: !Floating Row Cover!
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Season Extenders: !Cold Frames!
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Season Extenders: !Cloches!
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Season Extenders: !Cloches!
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Happy winter gardening!"
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Further Resources!
•! Intensive Gardening Methods, Virginia Cooperative Extension, http://pubs.ext.vt.edu/426/426-335/426-335.html!
•! ATTRA’s Succession planting chart http://attra.ncat.org/attra-pub/continuousharvest.html and companion planting chart, http://attra.ncat.org/attra-pub/complant.html.!
•! OSU Extension’s Fall and Winter Vegetable Gardening in the Pacific Northwest, http://extension.oregonstate.edu/catalog/html/pnw/pnw548/!
•! How to Grow More Vegetables by John Jeavons!
•! The Maritime Northwest Garden Guide by Seattle Tilth!
•! Carrots Love Tomatoes by Louis Riotte!
•! Winter Gardening in the Maritime Northwest by Binda Colebrook!
•! Four-Season Harvest and The Winter Harvest Handbook by Eliot Coleman!
•! Gardening Under Cover: A Northwest Guide to Solar Greenhouses, Cold Frames, and
Cloches by William Head##!