Above-ground vegetation indices and yield attributes of rice crop using unmanned aerial vehicle combined with ground truth measurements. - Piyanan PIPATSITEE; Apisit EIUMNOH; Rujira TISARUM; Kanyarat TAOTA; Sumaid KONGPUGDEE; Kampol SAKULLEERUNGROJ; Suriyan CHA-UM (Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2020)