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Ag Impacts

California is the nation's most productive agricultural state, boasting sales of $32 billion in 2005. Yet agricultural operations contribute significantly to California's air pollution problems, particularly in the San Joaquin Valley.

The pollution caused by agricultural activities such as land cultivation, pesticide application, and crop harvest do more than harm the health of Valley residents: it also costs Valley farmers as much as $270 million each year in damaged crops.

The Air Quality Effects Laboratory is currently researching ozone impacts on plants in California.