EN
This paper presents the results of studies of the content of copper in the 0-20 cm layer of farmland soils in Poland and the correlation between the content of this element in the soil and the content of the granulometric fractions < 0.02 and the < 0.002, organic matter and pHKCl. The Cu content determined in soils varies between 0.2 and 725.0 whilst the expected Cu content is in the range 3.1-13.6 mg kg-1. The geometrical and arithmetical mean values of the copper content in soils amount to 6.5 and 8.6 mg kg-1 respectively. Approximately 97% of the countrys agricultural soils have a natural Cu content (0o - unpolluted soils) whereas 3% have a slightly elevated content of Cu (Io). Soils with different degrees of Cu pollution (weakly polluted -IIo, medium heavily polluted - IIIo, heavily polluted - IVo, very heavily polluted - Vo) represent only 0.40% of farmlands area. Soils in industrialised regions contain higher quantities of copper and are polluted with Cu to a greater degree than are the rural soils nationally.