Three kinds of rich selenium ore powders with different selenium contents were applied in two wheat cultivars: E-en No.4 and 998042.The results showed that:the selenium content of wheat plants could be improved by the application of rich selenium ore powders.The selenium content of the stem and leaf dealt with three kinds of ore powders was from 0.032 mg/kg to 0.055 mg/kg,and the average was 0.043 8 mg/kg,which was increased by 143.3 % compared with the Check.The effect of ore powders with high selenium con...