What is selenium and where does it occur? Selenium is a rare trace element, which is contained in different concentrations in the earth’s crust. In plants, it usually occurs in the form of selenium methionine. The selenium content of the…
What is selenium and where does it occur? Selenium is a rare trace element, which is contained in different concentrations in the earth’s crust. In plants, it usually occurs in the form of selenium methionine. The selenium content of the…