Corn yield comparisons. Two cobs of corn that have been grown using different amounts of nitrogen fertiliser. The cob on the left has been grown in a

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Corn yield comparisons. Two cobs of corn that have been grown using different amounts of nitrogen fertiliser. The cob on the left has been grown in a fertiliser containing a higher concentration of nitrogen, giving a higher yield of corn. Photographed at the Colorado State University Arkansas Valley Research Center, Rocky Ford, Colorado, USA. August 14, 2008.

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Size: 2852px × 4294px
Photo credit: © US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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