EFFECT OF IN.CUBATI,ON PERIOD$ ON THE BEHAVIOUR OF SOME HEAVY METALS IN SOME SOILS OF EGYPT | ||
| Journal of Soil Sciences and Agricultural Engineering | ||
| Article 3, Volume 27, Issue 6, June 2002, Pages 4193-4204 PDF (3.24 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jssae.2002.255135 | ||
| Authors | ||
| H. H. Abbas1; A. H. Abd EI- Hamied1; S. A. Basiouny2; N.J. Ghayad2 | ||
| 1Fac. of Agric. Moshtohor,. Zagazig University | ||
| 2Soil, Water and Environment Res. lnst., Agric. Res. Center, Giza | ||
| Abstract | ||
| Pot experiments were conducted to study the effect of incubation periods on the behaviour of Cd, Pb and Ni in sandy, Nile alluvial and calcareous soils. The treatments were 0, 2.5; 5,10 and.20 mg Cd kg" soil; 0, 50,100,200 and 400 mg Pb kg" soil; and 0, 5, .10, 20 and 40 mg Ni kg" soil in the forms of Cd S04, Pb (N03)2 and NiS04, respectively. The different soils were exposed to soil removal after 0,7, 14 and 45 days of incubation for extracting the available Cd, Pb and Ni. The results showed that increasing the levels of Cd, Pb or Ni added to the different studied soils was associated with a progressive significant increases in their availability. Increasing the time of incubation was accompanied by a gradual· decreases in the available contents of Cd, Pb and Ni. .Multiple regression analysis showed the important of OM and pH in influencing the availability of Cd ,Pb and Ni in different soils. | ||
| Keywords | ||
| li'l~ubation' periods; Heavy metals (Cd; Pb; Ni); sandy; Nile alluvial and calcareous soils | ||
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