Reading through a pesticide label will give you most of the needed information concerning safety for both yourself and others while spraying field crops. Below is a synopsis of some of the dangers and restrictions for some common fungicides. For details on a specific fungicide, please follow the label's directions for mixing and application along with the instructions for safe use.
Iowa State University
Mueller, Daren S. and Hornstein, Joyce, "Fungicides: Safety and restrictions" (2006). Integrated Crop Management News. 1300.
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