Effect of Different Selenium Sour on Agronomic Character and Rich Selenium of Barley

To investigalte the effects on the agronomic characters and selenium content of barley by applying three kinds of selenium source,the results showed that :①All kinds of selenium source could increase the selenium content of barley.The range was 0.016~0.087 mg/kg,with an increase of 14.4%~78.0%.Mixed fertilizer rich in selenium was better.②The selenium content of seeds was 0.133~0.187 mg/kg,with an increase of 10.36%~80.65%.③After applying selenium fertilizers,no obvious effects were observed on the growth duration of barley,but an increase on the height and the ear length and an decrease on the weight of one thousand seeds were detected.