Study of the heavy metal phytoextraction capacity of two forage species growing in an hydroponic environment.


Sorghum and alfalfa are two important forage crops. We studied their capacity for accumulating heavy metals in hydroponic experiments. Cadmium, nickel (as divalent cations) and chromium (trivalent and hexavalent) were added individually to the nutrient solution in a range of concentrations from 1 to 80 mg/l. Cr(III) was complexed with EDTA to increase its… (More)
DOI: 10.1016/j.jhazmat.2008.10.024

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