Selenium accumulation in leaves of perennial onions

It was determined that Selenium concentration in leaves of perennial onion was in the range of 161 to 201 mg/kg of dry matter. The highest concentration of Selenium was in leaves of Common Chives, and Siberian Chives. There was also shown that the plant treatment with Epin and Sodium Humate solutions caused the Selenium content was 1.2-1.7 times as much as it was before in leaves.