%0 Journal Article %T Influence of organic fertilizers and natural zeolite on pigment content and yield of rapeseed plants of the Rif %A Zubkova, T.. %A Dubrovina, O.A. %A Motyleva, S.M. %K Keywords: spring rape, organic fertilizers, zeolites, pigments. %J Agrarian Bulletin of the %D 2020 %N 193 %P 6 %I Ural State Agrarian University