Abstract：
:A pot-culture experiment was conducted to observe the effects of acidic sludge addition to the soils on bioavailability and uptake of heavy metals in different parts of pea plant as well as its influence on the growth of that plant. It is observed from our result the abundances of total and bio-available heavy metals in sludge vary as follows: Fe>Mn>Cr>Ni>Cu>Pb>Zn>Cd and Fe>Ni>Mn>Cr>Cu>Zn>Pb>Cd. Sludge applications increased both the total metals, DTPA-extractable metals and total N in the soils. On the other hand lime application has decreased the bioavailability of heavy metals with no change in total N in sludge amended soils. Organic carbon showed positive correlation with all metals except Zn, Cr and Pb. CEC also showed a strong positive correlation (R(2)>0.7) with the low translocation efficiency of pea plants. The value of translocation factor from shoot to seed was found to be smaller than root to shoot of pea plants. Our study thus shows that pea plants were found to be well adapted to the soil amended with 10% sludge with 0.5% lime treatment, minimizing most of the all metal uptake in the shoot of that plant. So, on the basis of the present study, possible treatment may be recommended for the secure disposal of acidic electroplating sludge.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Bose S,Chandrayan S,Rai V,Bhattacharyya AK,Ramanathan ALdoi
10.1016/j.biortech.2007.08.020subject
Has Abstractpub_date
2008-07-01 00:00:00pages
4467-75issue
10eissn
0960-8524issn
1873-2976pii
S0960-8524(07)00664-5journal_volume
99pub_type
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