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  • Study: Ground-level ozone reduces maize and soybean yields

    USDA Agricultural Research Service scientist Elizabeth Ainsworth and her colleagues at Illinois found that ground-level pollution has reduced corn yields by 10 percent and soybean yields by 5 percent over the last 30 years.

    Photo by L. Brian Stauffer


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  • Editor’s notes:

    To reach Justin McGrath, call 217-300-3777; email

    To reach Elizabeth Ainsworth, call 217-265-9887; email

    To reach Stephen Long, call 217-244-0881; email

    The paper “An analysis of ozone damage to historical maize and soybean yields in the United States” is available online or from the U. of I. News Bureau.