Research of rice crops in Krasnodar region by remote sensing data Sergey Garkusha, Mikhail Skazhennik, Evgeny Kiselev, Vitaliy Chizhikov and Alexey Petrushin E3S Web Conf., 175 (2020) 01004 Published online: 29 June 2020 DOI: 10.1051/e3sconf/202017501004