Accounting of heavy metals in agricultural land use Mikhail Mikhailovich Geraskin, Zhanna Nikolaevna Bakanova, Vasily Ivanovich Kargin, Natalia Nikolaevna Ivanova and Nikolay Nikolaevich Neyaskin BIO Web Conf., 52 (2022) 00029 Published online: 21 September 2022 DOI: 10.1051/bioconf/20225200029