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News Release 12-133
Scientists Develop New Carbon Accounting Method to Reduce Farmers' Use of Nitrogen Fertilizer
Large amounts of nitrogen fertilizer lead to nitrous oxide, a greenhouse gas, in the atmosphere
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![A farmer on a tractor tending to an agricultural crop.](/news/mmg/media/images/nitrous_oxide1_f1.jpg)
Agricultural crops are studied in experiments at NSF's Kellogg Biological Station LTER site.
Credit: Julie Doll, NSF KBS LTER Site
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![An aerial view of farmland.](/news/mmg/media/images/nitrous_oxide2_f1.jpg)
Scientists at the KBS LTER site research agriculture and climate change.
Credit: Kurt Stepnitz
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![An aerial view of agriculture experiments.](/news/mmg/media/images/nitrous_oxide3_f1.jpg)
An aerial view of agriculture experiments at the Kellogg Biological Station.
Credit: Kurt Stepnitz
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![Dawn breaks over fields.](/news/mmg/media/images/nitrous_oxide4_f1.jpg)
Dawn breaks over fields, some fertilized, some not, at the KBS site.
Credit: Julie Doll, NSF KBS LTER Site
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![A field with trees on the horizon.](/news/mmg/media/images/nitrous_oxide5_f1.jpg)
Research on fields in all stages of ecological succession is conducted at KBS.
Credit: Julie Doll, NSF KBS LTER Site
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![A soybean crop with farm equipment.](/news/mmg/media/images/nitrous_oxide6_f1.jpg)
Where does nitrogen fertilizer go? Studies of crops hold answers.
Credit: Julie Doll, NSF KBS LTER Site
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