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 Bt Corn Insect Refuge Calculator Instructions
     
Bt Corn Insect Refuge Calculator    
     
Enter Your Zip Code   Blue Sky,  Greenfield County,  Missouri
     
Enter Your Corn Planted Acres   Acres of Total Corn
Enter Your Corn Seeding Rate       Thousand Kernels per Acre
 
 
 
 
  Bt Corn   Insect Refuge  
Greenfield County,  Missouri 50 Percent    50 Percent          
Your Acres Mix 50 Acres   50 Acres  
Your Seeding Rate 28.5 K Kernels      28.5 K Kernels     
Your Seed Requirements 17.8 Units 80K   17.8 Units 80K  
 
   
County Information   
Regulations are established at a county level. 

Within the continental United States, there are 2,193 counties that permit 80% Bt Corn and require 20% insect refuge. 

There are 901 counties that permit 50% Bt Corn and require 50% insect refuge, primarily due to the interaction of Bt Cotton. 

The state of Maine prohibits the planting of Bt Corn in its 16 counties.

   
     

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