• Biological indicators of copper-induced stress in soil 

      Du Plessis, Keith R. (Keith Roland) (Stellenbosch : Stellenbosch University, 2002-03)
      ENGLISH ABSTRACT: The concentrations of copper (Cu) in vineyard soils of the Western Cape range from 0.1 to 20 ppm. However, more than 160 tons of the fungicide copper oxychloride are annually being sprayed on these ...
    • The impact of copper on filamentous fungi and yeasts present in soil 

      Cornelissen, Stephanie (Stellenbosch : University of Stellenbosch, 2004-04)
      ENGLISH ABSTRACT: Numerous workers studied the impact of pollutants and agricultural chemicals, containing heavy metals such as copper (Cu), on soil microbes. It was found that elevated soil Cu levels do have a detrimental ...