Seed Technology and Cropping Systems

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Seed Technology and Cropping Systems

• Kendall R. Lamkey
• Department of Agronomy
• Iowa State University

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Outline
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Increase Area
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(No Transcript)
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Increase Yield
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Iowa Corn Yields 1866 to 2006
220 bushels/Acre 2037
250 Bushels/Acre 2037
3.0 Bushels Per Acre Year
2.0 Bushels per acre per year
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NCGA Yield Contest 1996-2006 Irrigated and
Non-Irrigated Winners
Courtesy of Dr. Roger Elmore
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NCGA Yield Contest 1996-2006, Irrigated and
Non-Irrigated Winners, Outliers Removed
Courtesy of Dr. Roger Elmore
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75 Bushels/Acre 0.90 bushels/Acre/Year
61 bushels/Acre
0.43 Bushels Per Acre Per Year
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Achieve Genetic Potential

• Management
• Weather

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Improve Availability/Content

• Starch
• Oil

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(No Transcript)
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(No Transcript)
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Cropping Systems
Summer Crops Follow Triticale Double cropped
sorghum x sudangrass on 31 August 2006.
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Two crops can generate more biomass than one
Slide Courtesy of Heggenstaller, Liebman, Anex,
and Moore
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Other Crops