Macronutrients and heavy metals contents in the leaves of trees from the devastated lands at Kryvyi Rih District (Central Ukraine)Yuliia Bielyk, Vasyl Savosko, Yuriy Lykholat, Hermann Heilmeier and Ivan GrygoryukE3S Web Conf., 166 (2020) 01011DOI: https://doi.org/10.1051/e3sconf/202016601011