Agriculture - Closeup of mature freshly harvested grain corn kernels / Central Iowa, USA.

Agriculture - Large field of healthy early growth grain corn plants / Central Iowa, USA.

Agriculture - A corn seedling emerging from the soil in early morning light / Iowa, USA.

Agriculture - Ethanol production plant. Corn being unloaded from a grain truck / Iowa, USA.

Agriculture - Large field of healthy early growth grain corn plants / Central Iowa, USA.

Agriculture - Structure of an early growth grain corn stalk with raindrops / Iowa, USA.

Agriculture - Closeup of a mature grain corn kernel on a brown background / Iowa, USA.

Agriculture - A corn seedling emerging from the soil in early morning light / Iowa, USA.

Agriculture - Rolling, partially harvested late season field of mature grain corn / Central Iowa, USA.

Agriculture - Panoramic view of a field newly planted to grain corn / Central Iowa, USA.

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

Agriculture - Mature stand of grain corn at harvest showing large ears on plants / Northeast Iowa, USA.

Agriculture - Motion view of harvested grain corn kernels entering an auger at an ethanol plant / near Sioux City, Iowa, USA.

Agriculture - Aerial view of rolling fallow agricultural land in late afternoon light / near Woodbine, Iowa, USA.

Livestock - A Cochin rooster on the handle of an antique wooden plow in a corn field / Iowa, USA.

Agriculture - Mature, harvest ready, rolling grain corn field in late afternoon autumn light (Sequence 3 of 3) / near Ellsworth, Wisconsin, USA.

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

Agriculture - A farmer and his young daughter share a moment together during his work day of harvesting and storing grain corn / near Sioux City, Iowa, USA.

An approaching storm over a corn field near Strawberry Point; Iowa, United States of America

Agriculture - A tractor pulling a disk ripper at dusk tills a field of corn stalks and residue after the harvest, preparing the field for the winter fallow period / near Northrop 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

A tractor pulling a disk ripper at dusk tills a field of corn stalks and residue after the harvest, preparing the field for the winter fallow period, near Northrop; Minnesota, United States of America

Farmer's grain bin facility storing rice, corn and soybeans; England, Arkansas, United States of America

Infant boy playing with young pigs on a farm in Northeast Iowa; Iowa, United States of America

Agriculture - Corn research greenhouses at dusk / Iowa, USA.