It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
airplane crop duster dangerous agriculture aircraft farm aviation plane spray flying fertilizer field rural propeller sky environment wings yellow cotton chemical pesticide flight low spraying air dusting aerial pilot agricultural herbicides green blue trees
Page 2017 Free-images.com. All images are Public Domain