Abstract: In recent years, mechanized agricultural production in China has been widely promoted and applied．Whether mechanical sowing has an impact on main agronomic traits and yield components of corn was evaluated, and corn varieties suitable for mechanical sowing in Guangxi was selected．Research results showed that when planting density was 54000 plants/hm², theoretical yield reached the highest level of 8887.5 kg/hm²．Planting 2 seeds per hole significantly increased emergence rate and reduced missed sowing rate compared to planting 1 seed per hole．In addition, yield determination results showed that varieties ‘Guidan 162’ and ‘Qingqing 700’ were more suitable for mechanical sowing．