Another suggestion (also without citation): It may also be worth evaluating risks associated with certain pesticides common to a crop or region and related externalities (the effect on local food chains). Also, when exposure involves more than one chemical, the overall risk assessment becomes more involved.
Another suggestion (also without citation): It may also be worth evaluating risks associated with certain pesticides common to a crop or region and related externalities (the effect on local food chains). Also, when exposure involves more than one chemical, the overall risk assessment becomes more involved.