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August 21, 2013
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By 2015, more than 190 million tons of nitrogen will be needed to supply the world's food.
By 2015, more than 190 million tons of nitrogen will be needed to supply the world's food. U.S and U.K. researchers are looking for alternate ways to meet the demand.
Credit: Thinkstock
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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