The Farmer-Stockman, has an interesting article that takes a look at the strength of agricultural ties between the U.S. and Cuba.
Since Congress lifted the ban on agricultural trade in 2001, trade has flourished. "In 2005 U.S. companies sold about $350 million in over a dozen agricultural products to Cuba. Cuba now ranks 30th out of 224 U.S. export markets."
Full article: Ag Trade with Cuba Strong Despite Restrictions