U.S. farm exports hit a new record of $140.9 billion last fiscal year, an amount that supports about 1 million American jobs, according to U.S. Agriculture Secretary Tom Vilsack.

The former Iowa governor said the past five years, 2009-2013, represents "the strongest five-year period for agricultural exports in our nation’s history."

Compared to the previous five-year period from 2004-2008, U.S....