TY JOUR TI OPTIMIZATION OF THE FLOW RATE OF THE WORKING FLUID WHEN SPRAYING OIL FLAX CROPS WITH HERBICIDES IN THE STEPPE OF WESTERN SIBERIA KW oil flax KW working fluid flow rate KW plant survival KW seed yield JO Vestnik of Omsk SAU AU ORLOV, A.A. AU RENDOV, N.A. PY 2023 IS 49 PB FSBEI HE Omsk SAU