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The research was performed to determine suitable soybean [Glycine max (L.) Merr.] genotypes with high seed yield grown at double cropped in semi and conditions. Seed yield and yield components were investigated in 25 soybean genotypes obtained from Karadeniz and Cukurova Research Institute in Turkey. In 2003 and 2004, experiments were carried out at the Harran University, Faculty of Agriculture research and application farm land in Sanliurfa Turkey. According to the combined analysis of two years, seed yield was ranged from 2482 kg ha(-1) to 3945 kg ha(-1). Of the 25 genotypes, Irogious, Alhow and Macon were determined to be adaptable to semi and conditions and yielding the highest. Significant and positive correlations between seed yield and number of pod per plant, number of fruit branch per plant and 1000 sced weight were also determined in this research.