[1] Directly and indirectly, agriculture has always been a major component of Iowa's economy.

[2] The indirect role of agriculture in Iowa's economy can be measured in multiple ways, but its total impact, including agriculture-affiliated business, has been measured at 16.4% in terms of value added and 24.3% in terms of total output.

[3] Iowa's main agricultural outputs are hogs, corn, soybeans, oats, cattle, eggs and dairy products.

Iowa is the nation's largest producer of ethanol and corn.

Major Iowa agricultural product processors include Cargill, Inc., Pioneer Hi-Bred International, Monsanto Company, Ajinomoto and Hy-Vee.