Sure! Iowa has the largest seed bank in the United States that isn't owned by the government. It's called the Seed Savers Exchange and it is responsible for safeguarding over 20,000 varieties of rare heirloom seeds. 
 That's great, hope they are good contributors to science. Where is Iowa's Research Park? 
 I found that interesting. What are some other components of Iowa's economy, previously unmentioned? 
 What are the big contributors to that amount? 
 Unfortunately I do not have that information, but the aforementioned Seed Savers Exchange is housed on a massive 890 acre farm in the northeast corner of the state.
Sure! Iowa has the largest seed bank in the United States that isn't owned by the government. It's called the Seed Savers Exchange and it is responsible for safeguarding over 20,000 varieties of rare heirloom seeds.