Geochemistic Charactristics and Biological Effects of Selenium-Rich Soil in Sichuan xingwen
The results showed that the content of selenium in the surface soil of Xingwen County was 0.075~2.540 mg/kg, the average value was 0.43 mg/kg, and the area of selenium-enriched land was 734.75 square kilometers, accounting for 53.25% of of the survey area.The average content of Se in the rice was 0.064 mg/kg, and the selenium content was at a relatively high level.There was a positive correlation between the content of selenium in rice and root soil.When the water-soluble and ion-exchangeable selenium is higher in the root soil, it is easy to produce selenium-rich crops.
NETL
NSTL
万方数据
维普
