ABSTRACT
An ofƒcial category, “toxic elements,” does not exist with some elements depending on their concentration in the rooting medium or the plant itself; these toxic elements can adversely affect plants, and are therefore designated as “toxic.”
An ofƒcial category, “toxic elements,” does not exist with some elements depending on their concentration in the rooting medium or the plant itself; these toxic elements can adversely affect plants, and are therefore designated as “toxic.”