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EQUIPMENT NEEDS RELATIVE TO YOUR SCALE OF SEED PRODUCTION
HARVEST EQUIPMENT SMALL TO MEDIUM
• Hand Harvest
• Buckets, bins, blades,
bags, scissors, pruners, weed wacker, bill hook
• Machine Harvest
• Hand held seed stripper
• Modified weed wacker
• www.prairiehabitats.com
HARVEST EQUIPMENT MEDIUM TO LARGE
• Pull-type sweep harvester
• www.prairie habitats.com
• www.seedburo.com
• Pull-type combine
• PTO driven
• Allis Chalmers
• $2500 -$8500
• Combine
• $250,000 & head
• Plot combine more $
THRESHING EQUIPMENT SMALL SCALE
Threshing Flail Threshing Grain
THRESHING EQUIPMENT SMALL SCALE DRY SEED
THRESHING BOXES
Threshing box for stomping Threshing pea seed on a
threshing box
CORN THRESHING EQUIPMENT
Seedburo Equipment Company
www.seedburo.com
Southern Exposure Seed Exchange
www.southernexposure.com
Decker Corn Sheller $7 -$10
Corn/Walnut
sheller $289
Almaco Ear Corn
Sheller $24,000
DRILL & BUCKET THRESHER PRAIRIE HERITAGE FARM
Threshing peas in the field
I-TECH MODIFIED CHIPPER SHREDDER GRAIN THRESHER – MEDIUM SCALE
• Creating a Grain
Thresher
• By Allen Dong and
Roger J. Edberg, I-Tech,
P.O. Box 413, Veneta,
Oregon 97487
This invention was
declared public
domain August 1994, a
gift to humanity.
$50 - $3000 to build
MODIFIED HAMMERS
spacers
Flip
hammers
MODIFY RPM BY SEED TYPE
• 250-400 rpm for
beans and large
seeds
• 400-800 rpm
coriander, radish,
sunflower
• 600-1400 rpm
wheat, oats, barley,
rice and small seeds
TYPICAL THRESHING RATES
Pounds of seeds per
hour
• Amaranth 66
• Bok Choy 22 to 30
• Oats 94
• Pinto bean 117
• Soy bean 81 to 127
THRESHING EQUIPMENT LARGE SCALE
Portable belt thresher new $10 -15,000
Photo credit: Micaela Colley, Organic Seed Alliance.
Photo credit: Micaela Colley, Organic Seed Alliance
All Crop stationary field thresher
Allis Chalmers
WET SEED THRESHING\CLEANING SMALL TO MEDIUM SCALE
WET SEED CLEANING TOMATO SEED
FOOD PROCESSOR FOR SMALL TO MEDIUM WET SEED THRESHING
MEDIUM TO LARGE SCALE WET SEED THRESHING
Millet wet vegetable seed separator, under $4000
AGE Manufacturing [email protected]
WET SEED THRESHING LARGE SCALE
The ‘Liberty 5000’ from
High Mowing Seeds Tomato seed extractor in use at
Johnny’s Select Seeds
TOMATO FLUME LARGE SCALE WET SEED CLEANING
SEED CLEANING EQUIPMENT
Size Weight
SEED CLEANING BY SIZE SMALL SCALE
Screens and hardware cloth Deep fryer baskets.
SEED CLEANING SMALL – MEDIUM SCALE
Hoffman Manufacturing www.hoffmanmfg.com
Seedburo www.seedburo.com
$40-$48 US $8 - $15 US
SCREEN THEORY
• Top screen removes
larger debris
• Bottom screen
retains seed and
allows fine debris to
fall through
SCREEN SHAPES AND SIZES
http://www.atferrell.com/clipper/products/clipper-office-tester for common screen sizes for seed by type ( tomato, pepper, bean etc.)
The Seed Garden, The Art an Practice of Seed Saving
1/20 screen Round holes 1/20th of
an inch in diameter
11/64 screen Round holes 11/64th of
an inch in diameter
11/64 x ¾ screen Slot or oval shaped holes that in one
dimension is ¾ inch and the other is
11/64 inch
6 x 20 screen Wire mesh screen with 6 wires/inch in one
direction and 20 wires/inch in the other
CLIPPER OFFICE TESTER
$2400 - $3000
SMALL MODEL CLIPPERS
Clipper Pacer Manual Seed Cleaner • Pedal powered
• Conversion kit
• 50 bushels/hour
Clipper 334
• 3 screens
• $15,000 US
• 120 -250 bushels/hr.
Seed cleaning room at Fedco
CLEANING SEED BY WEIGHT (SPECIFIC GRAVITY)
• Air /Wind
• Hand held hair dryer with cool setting
• Air compressor
• Fans of all sizes
• Shop Vac
• Air columns
• Gravity table
WINNOWING SEED WITH A FAN
I-TECH SMALL ELECTRIC WINNOWER
www.efn.org/~itech/
http://ltras.ucdavis.edu/files
All I Tech designs are public domain, a gift to humanity
http://vegetables.wsu.edu/NicheMarket/WSU-SeedCleaner.html
WSU Seed Cleaner Washington State University
REAL SEEDS AIR COLUMN
HAWTHORN FARM VERSION
Air flow control
valve
Lighter debris and
hollow seeds
Seed intake
Clean seed
GRAVITY TABLE
Laboratory size gravity seperator $46,000.
GRAVITY TABLE
Laboratory size gravity separator $46,000.
Spiral Lab Separator
Profile Industries
ODDS & ENDS
masks
Magnifying lens
DRYING AMBIENT TEMPERATURE
Tomato seed drying at room temperature on ceramic
plate takes 3-10 days depending on ambient weather.
SEED DRYING UNDER COVER
DRYING WITH ADDITIONAL HEAT
Squash seed drying on a screen above a woodstove. A
small fire keeps air warm and dries seed in 2-3 days.
STACKING SHELVES WITH FAN
TRAY DRYER
.
WALK IN HEATED SEED DRYER
EXHAUST FAN, HEATER & SHELVING
$3000