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Biofuel Crop Production

Biofuel Crop Production

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Biofuel Crop Production

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  1. Biofuel Crop Production Presentation by: Josh Carlin

  2. What should we grow? • Ideal Crop • High biomass yield • Low in lignin and high in cellulose and hemicellulose • Able to stand in field to extend harvest window • Low water requirement • Low nutrient requirement

  3. Perennial Crops • Switchgrass • Big Bluestem • Miscanthus x giganteus

  4. Annual Crops • Corn (rotated with soybean) • Continuous Corn • Photoperiod Sensitive Sorghum • Brown Mid-Rib Sorghum (BMR) • Dual Purpose Forage Sorghum

  5. Challenges • Harvesting • Water Removal • Standability • Density • Water Usage • Ethanol Production • Crop Production

  6. Water Usage • 3 gallons required per gallon of corn ethanol (RFA) • 6 gallons required per gallon of cellulosic ethanol (NREL) • About 20-25 inches of water are necessary to produce an acre of average yielding corn

  7. Harvesting • Biomass needs to be at 15% moisture • Transportation • Greater bulk density required to transport efficiently

  8. Cob Harvesting • The next step? • Cobs prove to be a good resource in the cellulosic biofuel industry • Higher bulk density than stover • Leave Less ash when burned • Produce higher BTU per pound.

  9. Other Biofuel Crop Research • Photoperiod Sensitive Sorghum Population Study • Ash Byproduct N Fertility Study • DDGS Nitrogen Fertility Study

  10. 2009 Manhattan KS Biofuel Plots