Download - Southern SAWG- Big yields in small spaces
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BIG YIELDS FROM SMALL SPACES
by Diana Liga www.urbanharvest.org
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Urban Harvest- Houston
Houston non-profit seeking to develop the various aspects of the local food movement within our city.
Community Gardens
Education: Adults and Youth
Farmers Markets
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Bob Randall, Ph.D.- Founder
Permaculture Instructor and former University professor started Urban Harvest in 1994 using the principles of permaculture.
His goal was to teach Houstonians how to grow their own food by developing community gardens.
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Using Permaculture Principles
See solutions; not problems Everything works in at least
2 ways Work where it counts Minimize inputs; maximize
outputs Use everything to its
highest capacity Bring food production back
to the cities; help make people self reliant
Co-operation not competition
Minimize footprint
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Planning Questions
How much space do you have?
How much of it gets 6-8 hours sun?
What garden elements would you like (beehives, orchard, chickens, compost, pond)?
How much time do you want to spend in a week?
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Site Considerations
6- 8 hours of unfiltered sunlight
Nearby Water Source
Raised Beds A. 8” tall
minimum B. North / South
Orientation
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Raised Beds: Bio-intensive Gardening
More surface area for planting
Control of soil quality & drainage
Naturally maintains paths
Easy to set up structures
Easy to install row cover
Circulation and spacing
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Windsor Retainer Wall
12” length x 10” width x4” height; available from Home Depot
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Solid Concrete Blocks
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Rough Cedar Fence Slats
5 ¾ ” height x 6’ length x ¼ ” to ½ “ thick: use this to maximize space
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Plastic Wood or Hardie Plank
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Logs for Habitat Beds
These were collected from the neighborhood
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Building Your Soils
Increase production>increases root system & soil microorganisms
Soil Type: Sandy Loam with 25-50%organic matter
No-tilling: Fukuoka Avoid compaction Maintain moisture
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Soil Food Web
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Fertilizers & Foliar Sprays
Balanced organic fertilizer
Contains materials that also feed your soil organisms
Usually has a low N-P-K Granular for initial
planting Foliar spray to
sidedress
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Vertical Gardening
Minimizes your foot print Maximizes space that is
often unused Increases the productivity of
a square foot; decrease disease
Facilitates harvesting Minimize work: watering is
close, harvesting and managing weeds is easier
Creates microclimates: due to increased density and moisture
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Vertical Garden Structures
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Vertical Garden Structures
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Vegetable Selection
Think in “pounds per square foot”
Separate annuals from perennials
Indeterminate tomatoes Perpetual Harvesters: kale,
collards, chard, spinach, eggplants, peppers
Varieties that can be trellised: Cucumbers, legumes, melons, squashes
Quick producers to stagger planting
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Succession Planting
1. Plant quick producing crops every 2-3 wks (cucumbers 6wks)
2. Plant in succession/ be ready to plant new crop (transplants and sprouting seed will produce faster)
Choose diverse crops with different ripening times
No empty beds; if the plant serves a purpose (attracting pollinators, living mulch, going to seed) leave it
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Spacing Vegetables
Read packets for mature plant size
18” dia. peppers 18” dia. Broccoli 2’ dia. Cabbage &
cauliflower 2’ dia. Indeterminate
tomatoes 1’ cucumbers 8” bush beans 1’ chard
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Include Fruits in a Food Garden
Select regionally appropriate rootstocks (possibly dwarfing)
Choose appropriate varieties: Chill hours, planting Zones
Plant for year around production
Intensive plantings: Needs training & pruning
High Density: 4 trees 1-2’ apart
Multi-graft trees: Learn to graft
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Interplanting/ Mixed Planting
Maximum Diversity: both in species and varieties
Plant annual herbs and veg. together
Plant perennial herbs and vegetables with fruit trees: plant guild
Plant shorter shade tolerant crops with vertical crops
Incorporate native & edible flowers into your garden
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Ecological Pest Control
Starts off like IPM
Create healthy plants that
resist attack
* Encourage creatures that eat
pests *
Make it difficult for pests to
find food
Trapping and Biological
Controls
Use organic pesticides
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Cultural Practices and Healthy Plants
Region appropriate vegetable varieties Plant at the appropriate time (get a planting
calendar from Extension) Sterilize pruning tools Harvest before watering! Air circulation Regular watering: lessens plant stress Proper fertilization Weed – directly around crops
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Crop Rotation
Make it difficult for pests to find food
Learn the vegetable plant families
Do not plant the same vegetable family in the same bed year after year
Rotate vegetable families from one bed to another
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Attracting Beneficial Insects
Most insect species are
beneficial or neutral
Many of our garden pests
are insects that can be
controlled by other
insects
Insects are a vital part of
the ecosystem and our
lives.
Create an Insectary
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Create an Insectary or
Hedgerow Permanent Water source Nectar/ pollen source Diversity of plants Year around blooms Various plant heights Hedgerows for larger areas
Easy to do with an Herb
garden!
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Mulch, Mulch, Mulch!!!
Regulates soil Temperature
Maintains moisture Suppresses weeds Should be from a diverse
group of trees never a singular source
Should be composted down not “green”
Alfalfa hay for Vegetables Never use coastal hay
from an unknown source
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Tips for a Successful Garden
Check water temperature before watering Harvest before watering Water the soil not the leaves Trellis vines Harvest frequently Fill fallow beds with cover crops or mulch Add annual flowers for pest control Mulch, Mulch, Mulch
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An addiction to gardening is not all bad when you consider all the other
choices in life . . . Cora Lea Bell
Thank You!