TY JOUR TI ANALYSIS OF THE YIELD OF DURUM WHEAT VARIETIES OF THE KASIB-22 NURSERY UNDER CONDITIONS OF WESTERN SIBERIA KW durum wheat KW yield KW productivity components KW principal component analysis JO Vestnik of Omsk SAU AU SHPIGEL, A.L. AU POTOTSKAYA, I.V. PY 2023 IS 50 PB FSBEI HE Omsk SAU