TY JOUR TI THE NUTRITION ELEMENTS CONTENT IN AGRICHERNOZEMS WHEN GROWING EARLY POTATO IN THE KRASNOYARSK FOREST-STEPPE KW Solanum tuberosum L. KW nitrate nitrogen KW ammonium nitrogen KW exchangeable potassium KW mobile phosphorus JO Bulletin of KSAU AU Vlasenko, O.A. AU Churakov, A.A. AU Kolesnik, A.A. AU Popova, N.M. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University