Yield Concerns with Genetically Modified Soybeans in the US Market

1
Yield Concerns with Genetically Modified
Soybeans in the US Market

• By
• Cade Landon
• Agri Business
• Jeffery May
• Agricultural Economics

2
Purpose

• Determine whether or not GM soybeans have an
  advantage over conventional soybeans and if so,
  to what degree
• Is there an economic advantage to GM soybeans?

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Reasons for popularity of GM soybeans

• Simplifies task of managing weeds
• Weed management practices done on timely basis
• Farmers use no till method of planting

4
Problems with GM soybeans

• The yield drag
• Reluctance of use by some Foreign countries
• Weed control cost
• Decline in the amount of conventional soybean
  acreage

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Hypothesis One

• Conventional soybeans on the decline.
• Decline is due to perceived value of GM soybeans

6
Percent increase in GM soybean production
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Hypothesis Two

• Due to yield drag production will decline
• Up to 2 to 5 times more herbicides per acre

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Disadvantages of GM soybeans

• Yield drag

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Conclusion

• Top conventional soybeans have a 6.7 yield over
  top GM soybeans
• A downward shift in conventional soybean
  production could result in a significant decline
  in the future total yields of soybeans