%0 Journal Article %T THE CEREAL CROPS BIOMASS PRODUCTIVITY IN THE CASE OF INTRODUCING COMPLEX FERTILIZERS INTO DARK GRAY SOILS %A Sorokina, O.A. %A Trufanowa, A.A. %K dark gray soil, complex fertilizers, experiment variants, productivity, biomass, morphometric indicators, increase %J Bulletin of KSAU %D 2012 %N %P 5 %I Krasnoyarsk State Agrarian University