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How much fertilizer is too much for Earth's climate?
Applying nitrogen fertilizer to corn at the NSF Kellogg Biological Station LTER site.
Credit: J.E. Doll, MSU
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A Michigan corn field east of the Kellogg Biological Station LTER site.
Credit: J.E.Doll, MSU
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View of a Kellogg Biological Station LTER experiment to test how crops respond to nitrogen.
Credit: K. Stepnitz, MSU
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Good crop: Corn in mid-August at the Kellogg Biological Station LTER site.
Credit: J.E.Doll, MSU
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Researcher AJ Ozanich collects greenhouse gas samples in a Kellogg Biological Station corn field.
Credit: K. Stepnitz, MSU
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LTER scientist Kevin Kahmark analyzes greenhouse gas samples in the lab.
Credit: K. Stepnitz, MSU
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