Species composition of the flora of agrophytocenoses in crops of Glycine max (L.) Merr. in the south-west of the Central Russian uplands

On the basis of a comprehensive study of the flora of agrophytocenoses in crops of Glycine max (L.) Merr. in the Belgorod Region, data on the composition of the flora, which includes 135 species, are presented. Based on the character of species occurrence in different administrative districts of the region, the species are divided into three categories, the ecological structure and geographical element of the flora are analyzed.