%0 Journal Article %T NITRATE NITROGEN’ INTRAFIELD AND TEMPORAL VARIABILITY IN THE WESTERN SIBERIA FIELDS %A Renev, E.P. %A Eremin, D.I. %K soil heterogeneity, nitrate nitrogen, precision farming, digitization of fields, fertility of arable land, fertilizer system, dark gray forest soil. %J Bulletin of KSAU %D 2021 %N 0 %P 8 %I Krasnoyarsk State Agrarian University