Multispectral drone imaging technology in agriculture V.V. Britvina, A.V. Gavrilyuk, G.E. Nurgazina, S.A. Mukhanov and E.V. Borisova E3S Web of Conf., 463 (2023) 01034 Published online: 13 December 2023 DOI: 10.1051/e3sconf/202346301034