Data & Studies,Issues | February 25, 2018 We conservatively used the distance of 2000 feet to calculate potentially harmful proximities of croplands to Iowa public school buildings…89.6 percent of Iowa PK-12 public school buildings (1183 of 1321) are within 2000 feet of cropland. This means 444,559 students and teachers in Iowa attend and work in school buildings that are proximate to crop fields. Pesticide Spray Drift: Dicamba Graphics for Iowa Public School Proximity to Croplands
