Assessing a novel smartphone application - SnapCard, compared to five imaging systems to quantify droplet deposition on artificial collectors. - Jason Connor Ferguson; Rodolfo G. Chechetto; Chris C. O'Donnell; Brad K. Fritz; W. Clint Hoffmann; Chet E. Coleman; Bhagirath S. Chauhan; Steve W. Adkins; Greg R. Kruger; Andrew J. Hewitt (Comput. Electron. Agric., 2016)