00604naa#a2200169#i#450# EN\\bibl\4406 20241129173636.5 2308-8877 20141207b2014####ek#y0engy0150####ca RUS RU The impact of technological methods of sunflower cultivation on the yield and the ecology of agrocenoses Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Krekoten M. naukaru.ru