Agriculture - A farmer looks out across his early growth grain corn field several weeks after planting inspecting the progress of his crop / Central Iowa, USA.

Agriculture - A farmer and his son pose in a mature corn field during harvest while inspecting a mature ear of corn / Texas, USA.

Agriculture - A farmer inspects his mature harvest ready grain corn field that has been flooded by heavy late season rains / Central Iowa, USA.

Agriculture - Portrait of a farmer in his early growth grain corn field several weeks after planting / Central Iowa, USA.

Agriculture - Partially harvested stand of grain corn in early morning Autumn light / Northwest Iowa, USA.

Agriculture - Portrait of a farmer in his early growth grain corn field several weeks after planting, with grain bins in the background / Central Iowa, USA.

Agriculture - A combine harvests grain corn in late afternoon light with silos in the background / Central Iowa, USA.

Agriculture - A farmer enters crop data into his laptop computer while standing in his mid growth soybean field, with a center pivot irrigation system, corn crop and grain bins in the background / near Hoffman, Minnesota, USA.

Farmer husband and wife pose together in a partially harvested grain corn field in Autumn, near Sioux City; Iowa, United States of America

Farmer husband and wife pose together in a partially harvested grain corn field in Autumn, near Sioux City; Iowa, United States of America

Agriculture - Farmer husband and wife pose together in a partially harvested grain corn field in Autumn / near Sioux City, Iowa, USA.

Agriculture - Farmer husband and wife pose together in a partially harvested grain corn field in Autumn / near Sioux City, Iowa, USA.

Agriculture - Closeup of an ear of harvest ready grain corn on the stalk, with the husk pulled back / near Sioux City, Iowa, USA.

Agriculture - A farmer poses while inspecting mature ears of grain corn in the field with his partially harvested corn crop in the background / Iowa, USA.