Andrey Malyavin, А. В. Попов, Vera Kostyleva, Maksim Tsikin (2021). ENVIRONMENTALLY FRIENDLY DEVELOPMENT OF FERTILIZER PRODUCTION: MODERNIZING TECHNOLOGY AND EQUIPMENT. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation, 197-204. https://doi.org/10.5593/sgem2021/5.1/s20.025