Brierley says while crops are tested for contaminants now, results may not be available until the product is already on store shelves. Brierley and other researchers are working to change that. They want to eventually develop scanners that could be used on harvesters or in the field.
Paul Brierley, executive director for Yuma Center of Excellence for Desert Agriculture, says: "... I guarantee you that Yuma has spent this whole off-season, and the whole industry, is trying to just double down on food safety efforts.
With field workers getting harder to find, farmers are turning their attention to automated equipment. The economies of the United States and Mexico are booming, and workers are looking for better opportunities off the fields.