%0 Journal Article %T AGROECOLOGICAL ASSESSMENT OF WASTEWATER SLUDGE AT WASTE WATER TREATMENT PLANT OF KRASNOYARSK %A Demidenko, G.A. %K sewage sludge, sewage treatment plants, humidity, the content of organic matter, total ni-trogen, heavy metals, hazard index %J Bulletin of KSAU %D 2018 %N %P 4 %I Krasnoyarsk State Agrarian University