Crop dusting helicopter spraying a corn field, Iowa, United States of America

clayton county iowa aerial aerial application agriculture aircraft applying aviation chopper corn corn field crop duster crop dusting cropland farm farming farmland fertilizer field flying heartland helicopter industry insecticide midwest pesticide rural spray sprayer spraying blue sky tree forest barn building landscape crop plant growth green mist united states of america chemical clayton county application duster dusting blue sky united states of america color image photography horizontal rural scene outdoors incidental people side view mid air poaceae crop sprayer air vehicle transportation cultivated sitting control men maize day man us united states north america american north american colour image colour color outside background people people in the background transport agricultural