When analyzing mineral soil samples the analytical methods pH PN-ISO 10390:1997 were used, determination of the zinc and total copper content: PN-ISO 11047:2001, PB-47 – AAS method, determination of the assimilable copper content: PB-06-PN-R-04017 – AAS method, determination of the assimilable zinc content PB-06-PN-R-04016 – ASA method. The analysis of plant sample material: determination of zinc and copper content: PB-16 – AAS method.