Terekhova V. A. RussiaMoscowA. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 33 Leninsky Prosp., Moscow 119071, Russiamary.akulova@gmail.com Author's articles INFLUENCE OF LEAD NITRATE AND ACETATE, WHEN INTRODUCED INTO SOD-PODZOLIC SOIL, ON ITS BIOINDICATIVE CHARACTERISTICS