This report chapter Rapid industrialization and economic growth across many parts of Asia have resulted in increased emissions of ozone precursor pollutants and hence elevated ozone concentrations. It is imperative that our knowledge of the potential ozone impacts on agriculture across the South Asian region be improved.This knowledge can be enhanced by conducting experimental assessments of the impact of ozone on crops and by using this information to perform regional scale modelling studies to assess the risk posed by ozone to regional scale agricultural production.

This chapter reviews the approaches that have been used to evaluate the impacts of ozone on crop yields in South Asia.

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