In the 1950s, Cuba was the ninth leading destination for U.S. agricultural exports and the second leading supplier of U.S. agricultural imports, and renewed trade with Cuba could grow substantially, the Agriculture Department's Economic Research Service wrote in a paper released today.

But the growth depends on many factors, most of them nonagricultural, the paper concludes.

• USDA Economic Research Service — U.S.-Cuba Agricultural Trade: Past, Present and Possible Future