The effect of Cd and Zn contents in plants on Fe binding into organic substances of spinach biomass
2002
Pavlikova, D. | Szakova, J. | Tlustos, P. | Balik, J. (Ceska Zemedelska Univ., Prague-Suchdol (Czech Republic)) | Pavlik, M. | Vasickova, S.
Partial characterization of iron binding compounds in spinach above ground biomass and differences between binding of Cd, Zn and Fe in spinach biomass were investigated on two soils treated by sewage sludge in model pot experiment. After application of sludge to both soils, Cd and Zn accumulation in spinach biomass was increased in sludge treatments. Total Fe content in biomass showed opposite trend with these treatments and was decreased 2.5-2.7 fold. Results of sequential analysis of spinach biomass showed lower portions of iron in all individual fractions of both sewage sludge treatments compared to control treatments. The largest differences in iron content between control and sludge treatments were determined in ethyl acetate fraction.
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