A tale of two datasets: using survey data and optical data to characterize long-term tillage intensity dynamics in Kansas. - Guanyuan Shuai; Ritvik Sahajpal; Alyssa Kathleen Whitcraft; DeAnn Presley; Ron Graber; Rick Schlender; Dustin Fross (Int. J. Appl. Earth Obs. Geoinformation, 2025)