The complex research of physiological-biochemical processes of the woody plants of Ulmus pinnato-ramosa Dieck. Elaeagnus angustifolia L. and Populus boleana Lauche in the polluted environment of the ferrous metallurgy plants have been carried out with results presented. A stable state of the pigmentary systems has been marked for U. https://www.hindirochakkahaniya.com/