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 - A farmer inspects a load of freshly harvested grain corn in a grain wagon during Autumn harvesting operations / Southern Iowa, USA.

Agriculture - Ethanol production plant. Ground corn being loaded onto a barge on the Mississippi River after it has been used for ethanol production.

Agriculture - A wheel loader moves distiller grain (DG) with solubles at an ethanol production facility. DG is the byproduct left over after ethanol production, and is increasingly used in livestock and poultry feed / Lexington, Nebraska, USA.

Agriculture -Father and son farmers preparing for spring planting of grain corn / near Northrop, Minnesota, USA.

Agriculture - A farmer prepares for corn planting operations by loading his planter hoppers with corn seed from a seed tender / Minnesota, USA.

Agriculture - A farmer prepares for corn planting operations by adding talc powder to the corn seeds in has planter hoppers. The talc improves the seed flow performance of the seed planter, thus increasing crop yields / Minnesota, USA.

Agriculture - A farmer prepares for corn planting operations by adding talc powder to the corn seeds in has planter hoppers. The talc improves the seed flow performance of the seed planter, thus increasing crop yields / Minnesota, USA.

Father and son farmers preparing for spring planting of grain corn, near Northrop; Minnesota, United States of America

Crop consultant checking progress on no till cotton, approximately 10-12 leaf stage, following previous year's crop of corn; England, Arkansas, United States of America

Agriculture - Ethanol production plant. A worker unloads corn from a grain truck / Iowa, USA.