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    HomeAnalysis: Scientists look to solve ozone threat to Africa’s food securityPlant ecophysiologist Felicity Hayes places a damaged leaf of a

    Plant ecophysiologist Felicity Hayes places a damaged leaf of a

    Plant ecophysiologist Felicity Hayes places a damaged leaf of a Silver Birch tree inside a LI-COR analyser at the UK Centre for Ecology and Hydrology research site near Bangor, Britain, July 20, 2022. REUTERS/Phil Noble
    A wheat sample exposed to increased levels of Ozone is

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