Spatial distribution prediction of agro-ecological parameter using kriging Viktor Yakushev, Aleksey Petrushin, Olga Mitrofanova, Evgenii Mitrofanov, Vitaly Terleev and Aleksandr Nikonorov E3S Web Conf., 164 (2020) 06030 Published online: 05 May 2020 DOI: 10.1051/e3sconf/202016406030