Macroelement content in plants after amendment application to cobalt-contaminated soil

Abstract Aim The study was undertaken to determine the effect of amendments used in remediation cobalt-contaminated soil on macroelement content all organs spring barley (the main crop) and white mustard after-crop). Methods In experiment, six blocks were selected: without amendments; with manure (bovine, granulated); clay; charcoal; zeolite; calcium oxide (50%). each blocks, increasing doses cobalt applied: 0, 20, 40, 80, 160, 320 mg kg −1 soil. Results Cobalt-contaminated application had a significant both plants. Conclusions amendments, 80 Co contributed most increase nitrogen, sodium, contents barley. increased macroelements organs. Application strong impact phosphorus, plant species, compared control block (without amendments). Among greatest Manure potassium, sodium optimal is extremely important for growth development plants, especially soils contaminated trace elements, including cobalt.