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

Agriculture - A farmer and his son pose in their mid growth corn field in late afternoon light / Iowa, USA.

Agriculture - A John Deere combine (model 9670 STS) harvests mature grain corn in late afternoon Autumn light / Southern Iowa, USA.

Agriculture - A John Deere combine (model 9670 STS) harvests mature grain corn in late afternoon Autumn light / Southern Iowa, USA.

Agriculture - A John Deere combine (model 9670 STS) harvests mature grain corn in late afternoon Autumn light / Southern Iowa, USA.

Agriculture - Stalk of a mature harvest stage soybean plant with large multiple pods representing high productivity and yield / Central Iowa, USA.

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

Agriculture - A farmer looks out across his mid growth soybean field while holding a soybean plant / Central Iowa, USA.

Agriculture - Stalks of mature harvest stage soybeans with large multiple pods representing high productivity and yield / Central Iowa, USA.

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

Agriculture - Healthy mid growth soybean crop in mid Summer / Iowa, USA.

Agriculture - A grain truck loaded with freshly harvested grain corn leaves the field headed for a grain storage elevator / Central Iowa, USA.

Agriculture - Healthy mature sugar beet field ready for harvest in late afternoon light with a grain elevator and grain bins in the distance / near Amenia, Red River Valley, North Dakota, USA.

Agriculture - A Case IH combine crests a ridge while harvesting wheat in late afternoon light / near Pullman, Palouse Region, Washington, USA.

Agriculture - A combine harvests swathed canola in late afternoon light with swathed canola in the foreground / Manitoba, Canada.

Agriculture - A combine harvests wheat in late afternoon sunlight with a low angle view of the combine header/ Manitoba, Canada.

Close-up of a pickup header of a combine, harvesting canola on a swathed field; Legal, Alberta, Canada

Agriculture - Soybean field, mature and ready for harvest in late afternoon light / Central Iowa, USA.