Agriculture - A mid growth soybean field (r. ) grows next to a mature field of oats (l. ) in late afternoon light / Central Iowa, USA.

Agriculture - A farmer examines his healthy mid growth soybean field in midsummer / Central Iowa, USA.

Agriculture - A mid growth soybean field (r. ) grows next to a mature field of oats (l. ) with a dark storm cloud above / Central Iowa, USA.

Agriculture - A farmer, leaning on his truck an inspecting an ear of corn in his hand, looks out across his field of partially harvested mature grain corn / Iowa, USA.

Agriculture - A farmer, leaning on his truck inspects an ear of corn in his hand, with his field of partially harvested mature grain corn in the background / Iowa, USA.

Agriculture - A farmer, leaning on his truck with ears of corn in his hand, looks over his field of partially harvested mature grain corn in the background / Iowa, USA.

Agriculture - Closeup of an early growth soybean seedling at the two-leaf stage emerging from the soil / Central Iowa, USA.

Agriculture - Closeup of an early growth soybean seedling at the two-leaf stage emerging from the soil / Central Iowa, USA.

Agriculture - A farmer holds ears of mature, harvest ready grain corn and his work gloves while inspecting his crop in Autumn / Iowa, USA.

Agriculture - Portrait of a farmer holding several soybean plants while inspecting his mid season soybean crop / Iowa, USA.

Agriculture - A John Deere combine harvests soybeans in late afternoon light / Central Iowa, USA.

Agriculture - A hog producer examines hog feed in a confinement facility / Iowa, USA.

Agriculture - A hand holding a single mature soybean / Iowa, USA.