TY JOUR TI VARIABILITY OF THE OF MACROAND MICROELEMENTS CONTENT IN THE GRAIN OF DURUM WHEAT UNDER CONDITIONS OF THE SOUTHERN FOREST-STEPPE OF WESTERN SIBERIA KW durum wheat KW grain quality KW macro KW microelements KW correlation KW thousand kernel weight KW yield JO Vestnik of Omsk SAU AU POTOTSKAYA, I.V. AU KOSHKIN, M.N. AU SHPIGEL, A.L. AU SHAMANIN, V.P. PY 2023 IS 50 PB FSBEI HE Omsk SAU