%0 Journal Article %T Potential contamination weeds seeds of the chernozem southern at prolonged use mineral and organo-mineral fertilizers of the republic Crimea %A Veselova, L.. %K potential weeds seeds, the soil tillage, fertilizers, chernozem southern, esparcet. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov