Browsing by Subject "CONTAMINATED SOILS"

Now showing items 1-2 of 2

    • Concentration and fractionation of Cu, Cr, Ni and Zn in montmorillonitic and allophanic soils: Comparison ... 
      Schalscha B., Eduardo; Escudero, Paula; Ahumada Torres, Aída Inés de Lourdes (IST CHIMICA AGRARIA, UNIV PISA VIA S MICHELE DEGLI SCALZI, 1999-05)
      The content and the chemical forms of chromium, copper, nickel and zinc in allophanic and montmorillonitic soils, one of them irrigated exclusively with untreated sewage waters, were studied. To gain information about the ...
    • Sequential extraction of heavy metals in soils irrigated with wastewater 
      Ahumada Torres, Aída Inés de Lourdes; Mendoza, Jorge; Navarrete, E.; Ascar Estay, María Loreto (MARCEL DEKKER INC, 1999-05)
      Different chemical forms of cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), lead (Pb), nickel (Ni), and zinc (Zn) were determined in agricultural soils cultivated with lettuce and celery. These soils have been ...