Money Pesticides in food: Strawberries, spinach, kale have the most residue, a new report finds March 20, 2019March 26, 2019Zlati Meyer, USA TODAYComments Off on Pesticides in food: Strawberries, spinach, kale have the most residue, a new report finds Close to 70 percent of the produce sold in the U.S. has pesticide residues, a new Environmental Working Group report finds.