holst biofuels
DESCRIPTION
This presentation was shared at the WIU/Allison farm field day in 2010TRANSCRIPT
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On Farm Bio-Fuel Cropping
Systems
Luke Holst
Holst Farms
Augusta, IL
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*
Holst Farms
Augusta
In 2010
1300 acres corn 1200 acres soybeans 160 wheat/sunflower
100 acres alfalfa. 100 and 150 brood cows
lots of hogs300 pounds of tomatoes/week
(peak production)
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Bio-Diesel Production on Holst Farms
• Holst Farms has been producing bio-fuel
on-farm for four years.
• Hybrid sunflowers are grown and processed on the farm.
• A blend of vegetable oil, gasoline and conventional diesel fuel is used in farm equipment
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Cropping Systems
• Wheat-Sunflower double crop
– winter wheat is planted in the fall and followed by a sunflower crop
– Sunflowers are planted in late June to early July
– Sunflowers are harvested in late November
• Canola-Sunflower double crop
– A new crop rotation is being researched
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Sunflower Field in early September
Winter Wheat Field in Early Spring
A proven double-crop
system in W. Illinois
Much more reliable than double crop
soybeans
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Wheat-Sunflower System
– Sunflowers
• Conventional plan uses 90 lbs of N and 50 lbs of DAP per acre.
• On Holst Farms incorporated swine manure is usually used instead of fertilizer.
• “Spartan” broadleaf herbicide and “Select” grass herbicide is applied before planting
– Wheat
• Fall applied Urea, DAP, Potash
• Spring applied Fungicide and Nitrogen
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Sunflower Yields
• Over the last three growing seasons HolstFarms has averaged 40 bu per acre for sunflowers - some fields have averaged over 50 bu per acre
• Oil yield has been between 1.5 and 1.75 gallons per bushel.
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The future???Canola-Sunflower Double Crop System
• In fall 2009, Holst Farms and the IIRA: VASDC planted a canola trial
IIRA:VASDC =
Illinois Institute for
Rural Affairs: Value-
Added Sustainable
Development Center,
http://www.value-
added.org/
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2009/10 Canola plot: 3 varieties “Flash” , “Wichita” and “Dekalb”
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Canola Plot ResultsFlash Witchita DekalbRep Length Width Rep Length Width Length Width Weight
1 436 15 1 436 15 1000 30 Tare 4320
2 427 15 2 427 15
Total
Feet 30000 Gross 5240
3 427 15 3 427 15 Acres
0.68870
5 Net 920
4 330 15 4 230 15 Bushels
17.6923
1
Totals 1620 60 Totals 1520 60 Bu/Acre
25.6892
3
Total
Feet 97200 Weight
Total
Feet 91200 Weight
Acres 0.448148 Tare 1880 Acres 0.477632 Tare 3620
Bushels 26.15385 Gross 3240 Bushels 13.46154 Gross 4320
Bu/Acre 58.35982 Net 1360 Bu/Acre 28.18394 Net 700
Totals
Acres 1.614485
Bushels 57.30769
Weight 2980
Bu/Acre 35.49596
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Canola-Sunflower Double Crop
• For the 2010-2011 growing season Holst Farms and IIRA VSDC have planned to test a winter Canola crop followed by a sunflower crop. If successful this should greatly increase oil yield per acre.
• > 200 gallons per acre??
• < 3% of crop land dedicated to fuel production
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On-farm Oil Processing
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Two 6-ton presses
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Oil is allowed to settle for several weeks
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Oil Cleaning
Sock Filter: 1st part of cleaning process
Centrifuge: 2nd part of cleaning process, oil must be heated during this
process
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Oil-Gas Mixture: The Finished Product
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Blending
• 1 part gasoline : 6 parts sunflower oil is the Holst’s standard blend
• Gasoline is added to achieve the same specific gravity as diesel fuel
• The amount of gasoline is small enough that no adverse effects have been noticed on engines.
• The oil-gasoline blend is mixed with diesel (approximately 50/50 mix) before use in farm equipment.
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Sunflower press cake retains ~ 20% of the oil.
Press cake is fed to cattle
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Sunflower oil sludge is one of the
materials burned to heat the Holst’s
greenhouses
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Questions?