Seeds of change in Ukraine threaten next corn belt By: CNBC.com News March 18, 2014 at 12:29 PM EDT Seed giants Monsanto and DuPont are betting on Ukraine as a corn belt to rival U.S., but the wrong seeds of change in Ukraine may cause crop failure. Read More >> Related Stocks: Deere & Co DuPont USA Monsanto Co Piper Jaffray Companies Trimble Navigation