Enhancing of nitrogen fixation by legumes Sarra A. Bekuzarova, Aslanbek Kh. Kozyrev, Irina A. Shabanova, Geracim V. Lushenko and Larisa I. Weissfeld BIO Web Conf., 23 (2020) 02006 Published online: 14 August 2020 DOI: 10.1051/bioconf/20202302006