Cr'S POLLUTION AFFECTED CONTENT OF ELEMENTS IN THE LEAVES OF TRAPA BISPINOSA

This article mainly deals with Cr's pollution affecting the content of Cr, K, Mg, Fe, Mn, Zn, Cu, Mo in floating and underwater leaves of Trapa bispinosa.The results showed the content of Cr increased with the raising cultural concentration, the contents of K, Mg decreased with the raising cultural concentration, the content of Fe increased at low cultural concentration but decreased at high cultural concentration, the contents of Mn, Zn, Cu, Mo have no correlation with Cr's cultural concentration.